IIT-JEE 2010 Paper-1 (solved) Class 12 Notes | EduRev

Class 12 : IIT-JEE 2010 Paper-1 (solved) Class 12 Notes | EduRev

 Page 1


IITJEE2010-Paper 1-CMP-1 
   Solutions to  IIT-
JEE-2010 
CODE 
PAPER 1 
Time: 3 Hours 
Please read the instructions carefully. You are allotted 5 minutes specifically for this purpose. 
INSTRUCTIONS 
 A. General: 
1. This Question Paper contains 32 pages having 84 questions.
2. The question paper CODE is printed on the right hand top corner of this sheet and also on the back
page (page no. 32) of this booklet.
3. No additional sheets will be provided for rough work.
4. Blank papers, clipboards, log tables, slide rules, calculators, cellular phones, pagers and electronic
gadgets in any form are not allowed.
5. The answer sheet, a machine-gradable Objective Response Sheet (ORS), is provided separately.
6. Do not Tamper / mutilate the ORS or this booklet.
7. Do not break the seals of the question – paper booklet before instructed to do so by the invigilators.
B. Filling the bottom-half of the ORS: 
8. The ORS has CODE printed on its lower and upper Parts.
9. Make sure the CODE on the ORS is the same as that on this booklet. If the Codes do not match, ask
for a change of the Booklet.
10. Write your Registration No., Name and Name of centre and sign with pen in appropriate boxes. Do not
write these any where else.
11. Darken the appropriate bubbles below your registration number with HB Pencil.
C. Question paper format and Marking scheme: 
12. The question paper consists of 3 parts (Chemistry, Mathematics and Physics). Each part consists of
four Sections.
13. For each question in Section I, you will be awarded 3 marks if you darken only the bubble
corresponding to the correct answer and zero mark if no bubbles are darkened. In all other cases, minus
one ( -1) mark will be awarded.
14. For each question in Section II, you will be awarded 3 marks if you darken only the bubble
corresponding to the correct answer and zero mark if no bubbles are darkened. Partial marks will be
awarded for partially correct answers. No negative marks will be awarded in this Section.
15. For each question in Section III, you will be awarded 3 marks if you darken only the bubble
corresponding to the correct answer and zero mark if no bubbles are darkened. In all other cases,
minus one ( -1) mark will be awarded.
16. For each question in Section IV, you will be awarded 3 marks if you darken the bubble corresponding
to the correct answer and zero mark if no bubble is darkened. No negative marks will be awarded for in
this Section
Write your name, registration number and sign in the space provided on the back page of this booklet. 
3
Page 2


IITJEE2010-Paper 1-CMP-1 
   Solutions to  IIT-
JEE-2010 
CODE 
PAPER 1 
Time: 3 Hours 
Please read the instructions carefully. You are allotted 5 minutes specifically for this purpose. 
INSTRUCTIONS 
 A. General: 
1. This Question Paper contains 32 pages having 84 questions.
2. The question paper CODE is printed on the right hand top corner of this sheet and also on the back
page (page no. 32) of this booklet.
3. No additional sheets will be provided for rough work.
4. Blank papers, clipboards, log tables, slide rules, calculators, cellular phones, pagers and electronic
gadgets in any form are not allowed.
5. The answer sheet, a machine-gradable Objective Response Sheet (ORS), is provided separately.
6. Do not Tamper / mutilate the ORS or this booklet.
7. Do not break the seals of the question – paper booklet before instructed to do so by the invigilators.
B. Filling the bottom-half of the ORS: 
8. The ORS has CODE printed on its lower and upper Parts.
9. Make sure the CODE on the ORS is the same as that on this booklet. If the Codes do not match, ask
for a change of the Booklet.
10. Write your Registration No., Name and Name of centre and sign with pen in appropriate boxes. Do not
write these any where else.
11. Darken the appropriate bubbles below your registration number with HB Pencil.
C. Question paper format and Marking scheme: 
12. The question paper consists of 3 parts (Chemistry, Mathematics and Physics). Each part consists of
four Sections.
13. For each question in Section I, you will be awarded 3 marks if you darken only the bubble
corresponding to the correct answer and zero mark if no bubbles are darkened. In all other cases, minus
one ( -1) mark will be awarded.
14. For each question in Section II, you will be awarded 3 marks if you darken only the bubble
corresponding to the correct answer and zero mark if no bubbles are darkened. Partial marks will be
awarded for partially correct answers. No negative marks will be awarded in this Section.
15. For each question in Section III, you will be awarded 3 marks if you darken only the bubble
corresponding to the correct answer and zero mark if no bubbles are darkened. In all other cases,
minus one ( -1) mark will be awarded.
16. For each question in Section IV, you will be awarded 3 marks if you darken the bubble corresponding
to the correct answer and zero mark if no bubble is darkened. No negative marks will be awarded for in
this Section
Write your name, registration number and sign in the space provided on the back page of this booklet. 
3
IITJEE2010-Paper 1-CMP-2 
Useful Data 
Atomic Numbers: Be 4; C 6; N 7; O 8; Al 13; Si 14; Cr24; Fe 26; Zn 30; Br 35. 
1 amu =  1.66 × 10
-27
 kg  R  =  0.082 L-atm K
-1
 mol
-1 
 h = 6.626 × 10
–34 
J s  N
A 
= 6.022 × 10
23
 
m
e 
=
 
9.1 × 10
-31
 
kg  e = 1.6 × 10
-19 
C 
c  =  3.0 × 10
8
 m s
-1
F =  96500 C mol
-1
 
 R
H
= 2.18 × 10
–18
 J  4p?
0
 
= 1.11 × 10
-10
 J
-1
 C
2
 m
-1
  
Page 3


IITJEE2010-Paper 1-CMP-1 
   Solutions to  IIT-
JEE-2010 
CODE 
PAPER 1 
Time: 3 Hours 
Please read the instructions carefully. You are allotted 5 minutes specifically for this purpose. 
INSTRUCTIONS 
 A. General: 
1. This Question Paper contains 32 pages having 84 questions.
2. The question paper CODE is printed on the right hand top corner of this sheet and also on the back
page (page no. 32) of this booklet.
3. No additional sheets will be provided for rough work.
4. Blank papers, clipboards, log tables, slide rules, calculators, cellular phones, pagers and electronic
gadgets in any form are not allowed.
5. The answer sheet, a machine-gradable Objective Response Sheet (ORS), is provided separately.
6. Do not Tamper / mutilate the ORS or this booklet.
7. Do not break the seals of the question – paper booklet before instructed to do so by the invigilators.
B. Filling the bottom-half of the ORS: 
8. The ORS has CODE printed on its lower and upper Parts.
9. Make sure the CODE on the ORS is the same as that on this booklet. If the Codes do not match, ask
for a change of the Booklet.
10. Write your Registration No., Name and Name of centre and sign with pen in appropriate boxes. Do not
write these any where else.
11. Darken the appropriate bubbles below your registration number with HB Pencil.
C. Question paper format and Marking scheme: 
12. The question paper consists of 3 parts (Chemistry, Mathematics and Physics). Each part consists of
four Sections.
13. For each question in Section I, you will be awarded 3 marks if you darken only the bubble
corresponding to the correct answer and zero mark if no bubbles are darkened. In all other cases, minus
one ( -1) mark will be awarded.
14. For each question in Section II, you will be awarded 3 marks if you darken only the bubble
corresponding to the correct answer and zero mark if no bubbles are darkened. Partial marks will be
awarded for partially correct answers. No negative marks will be awarded in this Section.
15. For each question in Section III, you will be awarded 3 marks if you darken only the bubble
corresponding to the correct answer and zero mark if no bubbles are darkened. In all other cases,
minus one ( -1) mark will be awarded.
16. For each question in Section IV, you will be awarded 3 marks if you darken the bubble corresponding
to the correct answer and zero mark if no bubble is darkened. No negative marks will be awarded for in
this Section
Write your name, registration number and sign in the space provided on the back page of this booklet. 
3
IITJEE2010-Paper 1-CMP-2 
Useful Data 
Atomic Numbers: Be 4; C 6; N 7; O 8; Al 13; Si 14; Cr24; Fe 26; Zn 30; Br 35. 
1 amu =  1.66 × 10
-27
 kg  R  =  0.082 L-atm K
-1
 mol
-1 
 h = 6.626 × 10
–34 
J s  N
A 
= 6.022 × 10
23
 
m
e 
=
 
9.1 × 10
-31
 
kg  e = 1.6 × 10
-19 
C 
c  =  3.0 × 10
8
 m s
-1
F =  96500 C mol
-1
 
 R
H
= 2.18 × 10
–18
 J  4p?
0
 
= 1.11 × 10
-10
 J
-1
 C
2
 m
-1
  
IITJEE2010-Paper 1-CMP-3 
IITJEE 2010 PAPER-1 [Code – 3] 
 
 
SECTION – I (Single Correct Choice Type) 
This Section contains 8 multiple choice questions. Each question has four choices A), B), C) and D) out of which 
ONLY ONE is correct. 
1. The synthesis of 3 – octyne is achieved by adding a bromoalkane into a mixture of sodium amide and an
alkyne. The bromoalkane and alkyne respectively are
A) BrCH
2
CH
2
CH
2
CH
2
CH
3
 and CH
3
CH
2
C = CH  B) BrCH
2
CH
2
CH
3
 and CH
3
CH
2
CH
2
C = CH
C) BrCH
2
CH
2
CH
2
CH
2
CH
3
 and CH
3
C = CH D) BrCH
2
CH
2
CH
2
CH
3
 and CH
3
CH
2
C = CH
Sol. (D) 
2
NaNH
32 32
CH CH C CH CH CH C C Na
- +
--= ???? --=
32 2 2 23 32 2 2 2 3
CH CH CH CH Br Na C C CH CH CH CH CH CH C C CH CH
+-
--- + =-- ?? ? - - - -=- -
3-octyne
2. The correct statement about the following disaccharide is
O
H
O H
H
OCH
2
CH
2
OH
H
CH
2
OH
H
OH
H
O
HOH
2
C
O
H
CH
2
OH
H
OH
OH
H
A) Ring (a) is pyranonse with a - glycosidic link
B) Ring (a) is furanonse with a - glycosidic link
C) Ring (b) is furanonse with a - glycosidic link
D) Ring (b) is pyranonse with ß - glycosidic link
Ans. (A) 
3. In the reaction
OCH
3
HBr
?? ? ?
the products are 
A) 
OCH
3
Br
and H
2
B) 
Br and CH
3
Br
C) 
Br
and CH
3
OH
D) 
OH and CH
3
Br
PART - I: CHEMISTRY
Page 4


IITJEE2010-Paper 1-CMP-1 
   Solutions to  IIT-
JEE-2010 
CODE 
PAPER 1 
Time: 3 Hours 
Please read the instructions carefully. You are allotted 5 minutes specifically for this purpose. 
INSTRUCTIONS 
 A. General: 
1. This Question Paper contains 32 pages having 84 questions.
2. The question paper CODE is printed on the right hand top corner of this sheet and also on the back
page (page no. 32) of this booklet.
3. No additional sheets will be provided for rough work.
4. Blank papers, clipboards, log tables, slide rules, calculators, cellular phones, pagers and electronic
gadgets in any form are not allowed.
5. The answer sheet, a machine-gradable Objective Response Sheet (ORS), is provided separately.
6. Do not Tamper / mutilate the ORS or this booklet.
7. Do not break the seals of the question – paper booklet before instructed to do so by the invigilators.
B. Filling the bottom-half of the ORS: 
8. The ORS has CODE printed on its lower and upper Parts.
9. Make sure the CODE on the ORS is the same as that on this booklet. If the Codes do not match, ask
for a change of the Booklet.
10. Write your Registration No., Name and Name of centre and sign with pen in appropriate boxes. Do not
write these any where else.
11. Darken the appropriate bubbles below your registration number with HB Pencil.
C. Question paper format and Marking scheme: 
12. The question paper consists of 3 parts (Chemistry, Mathematics and Physics). Each part consists of
four Sections.
13. For each question in Section I, you will be awarded 3 marks if you darken only the bubble
corresponding to the correct answer and zero mark if no bubbles are darkened. In all other cases, minus
one ( -1) mark will be awarded.
14. For each question in Section II, you will be awarded 3 marks if you darken only the bubble
corresponding to the correct answer and zero mark if no bubbles are darkened. Partial marks will be
awarded for partially correct answers. No negative marks will be awarded in this Section.
15. For each question in Section III, you will be awarded 3 marks if you darken only the bubble
corresponding to the correct answer and zero mark if no bubbles are darkened. In all other cases,
minus one ( -1) mark will be awarded.
16. For each question in Section IV, you will be awarded 3 marks if you darken the bubble corresponding
to the correct answer and zero mark if no bubble is darkened. No negative marks will be awarded for in
this Section
Write your name, registration number and sign in the space provided on the back page of this booklet. 
3
IITJEE2010-Paper 1-CMP-2 
Useful Data 
Atomic Numbers: Be 4; C 6; N 7; O 8; Al 13; Si 14; Cr24; Fe 26; Zn 30; Br 35. 
1 amu =  1.66 × 10
-27
 kg  R  =  0.082 L-atm K
-1
 mol
-1 
 h = 6.626 × 10
–34 
J s  N
A 
= 6.022 × 10
23
 
m
e 
=
 
9.1 × 10
-31
 
kg  e = 1.6 × 10
-19 
C 
c  =  3.0 × 10
8
 m s
-1
F =  96500 C mol
-1
 
 R
H
= 2.18 × 10
–18
 J  4p?
0
 
= 1.11 × 10
-10
 J
-1
 C
2
 m
-1
  
IITJEE2010-Paper 1-CMP-3 
IITJEE 2010 PAPER-1 [Code – 3] 
 
 
SECTION – I (Single Correct Choice Type) 
This Section contains 8 multiple choice questions. Each question has four choices A), B), C) and D) out of which 
ONLY ONE is correct. 
1. The synthesis of 3 – octyne is achieved by adding a bromoalkane into a mixture of sodium amide and an
alkyne. The bromoalkane and alkyne respectively are
A) BrCH
2
CH
2
CH
2
CH
2
CH
3
 and CH
3
CH
2
C = CH  B) BrCH
2
CH
2
CH
3
 and CH
3
CH
2
CH
2
C = CH
C) BrCH
2
CH
2
CH
2
CH
2
CH
3
 and CH
3
C = CH D) BrCH
2
CH
2
CH
2
CH
3
 and CH
3
CH
2
C = CH
Sol. (D) 
2
NaNH
32 32
CH CH C CH CH CH C C Na
- +
--= ???? --=
32 2 2 23 32 2 2 2 3
CH CH CH CH Br Na C C CH CH CH CH CH CH C C CH CH
+-
--- + =-- ?? ? - - - -=- -
3-octyne
2. The correct statement about the following disaccharide is
O
H
O H
H
OCH
2
CH
2
OH
H
CH
2
OH
H
OH
H
O
HOH
2
C
O
H
CH
2
OH
H
OH
OH
H
A) Ring (a) is pyranonse with a - glycosidic link
B) Ring (a) is furanonse with a - glycosidic link
C) Ring (b) is furanonse with a - glycosidic link
D) Ring (b) is pyranonse with ß - glycosidic link
Ans. (A) 
3. In the reaction
OCH
3
HBr
?? ? ?
the products are 
A) 
OCH
3
Br
and H
2
B) 
Br and CH
3
Br
C) 
Br
and CH
3
OH
D) 
OH and CH
3
Br
PART - I: CHEMISTRY
IITJEE2010-Paper 1-CMP-4 
Sol. (D) 
OCH
3
HBr
?? ? ?
OH
3
CH Br +
4. Plots showing the variation of the rate constant (k) with temperature (T) are given below. The plot that
follows Arrhenius equation is
A) 
T 
K 
B) 
T 
K 
C) 
T 
K 
D) 
T 
K 
Sol. (A) 
Ea / RT
kAe
-
= 
 As T ?; k ? exponentially. 
T 
K 
5. The species which by definition has ZERO standard molar enthalpy of formation at 298 K is
A) Br
2
 (g) B) Cl
2
 (g)
C) H
2
O (g) D) CH
4
 (g)
Sol. (B) 
 Cl
2
 is gas at 298 K while Br
2
 is a liquid. 
6. The bond energy (in kcal mol
 – 1 
) of a C – C single bond is approximately
A)1 B)10
C) 100 D) 1000
Ans. (C) 
Page 5


IITJEE2010-Paper 1-CMP-1 
   Solutions to  IIT-
JEE-2010 
CODE 
PAPER 1 
Time: 3 Hours 
Please read the instructions carefully. You are allotted 5 minutes specifically for this purpose. 
INSTRUCTIONS 
 A. General: 
1. This Question Paper contains 32 pages having 84 questions.
2. The question paper CODE is printed on the right hand top corner of this sheet and also on the back
page (page no. 32) of this booklet.
3. No additional sheets will be provided for rough work.
4. Blank papers, clipboards, log tables, slide rules, calculators, cellular phones, pagers and electronic
gadgets in any form are not allowed.
5. The answer sheet, a machine-gradable Objective Response Sheet (ORS), is provided separately.
6. Do not Tamper / mutilate the ORS or this booklet.
7. Do not break the seals of the question – paper booklet before instructed to do so by the invigilators.
B. Filling the bottom-half of the ORS: 
8. The ORS has CODE printed on its lower and upper Parts.
9. Make sure the CODE on the ORS is the same as that on this booklet. If the Codes do not match, ask
for a change of the Booklet.
10. Write your Registration No., Name and Name of centre and sign with pen in appropriate boxes. Do not
write these any where else.
11. Darken the appropriate bubbles below your registration number with HB Pencil.
C. Question paper format and Marking scheme: 
12. The question paper consists of 3 parts (Chemistry, Mathematics and Physics). Each part consists of
four Sections.
13. For each question in Section I, you will be awarded 3 marks if you darken only the bubble
corresponding to the correct answer and zero mark if no bubbles are darkened. In all other cases, minus
one ( -1) mark will be awarded.
14. For each question in Section II, you will be awarded 3 marks if you darken only the bubble
corresponding to the correct answer and zero mark if no bubbles are darkened. Partial marks will be
awarded for partially correct answers. No negative marks will be awarded in this Section.
15. For each question in Section III, you will be awarded 3 marks if you darken only the bubble
corresponding to the correct answer and zero mark if no bubbles are darkened. In all other cases,
minus one ( -1) mark will be awarded.
16. For each question in Section IV, you will be awarded 3 marks if you darken the bubble corresponding
to the correct answer and zero mark if no bubble is darkened. No negative marks will be awarded for in
this Section
Write your name, registration number and sign in the space provided on the back page of this booklet. 
3
IITJEE2010-Paper 1-CMP-2 
Useful Data 
Atomic Numbers: Be 4; C 6; N 7; O 8; Al 13; Si 14; Cr24; Fe 26; Zn 30; Br 35. 
1 amu =  1.66 × 10
-27
 kg  R  =  0.082 L-atm K
-1
 mol
-1 
 h = 6.626 × 10
–34 
J s  N
A 
= 6.022 × 10
23
 
m
e 
=
 
9.1 × 10
-31
 
kg  e = 1.6 × 10
-19 
C 
c  =  3.0 × 10
8
 m s
-1
F =  96500 C mol
-1
 
 R
H
= 2.18 × 10
–18
 J  4p?
0
 
= 1.11 × 10
-10
 J
-1
 C
2
 m
-1
  
IITJEE2010-Paper 1-CMP-3 
IITJEE 2010 PAPER-1 [Code – 3] 
 
 
SECTION – I (Single Correct Choice Type) 
This Section contains 8 multiple choice questions. Each question has four choices A), B), C) and D) out of which 
ONLY ONE is correct. 
1. The synthesis of 3 – octyne is achieved by adding a bromoalkane into a mixture of sodium amide and an
alkyne. The bromoalkane and alkyne respectively are
A) BrCH
2
CH
2
CH
2
CH
2
CH
3
 and CH
3
CH
2
C = CH  B) BrCH
2
CH
2
CH
3
 and CH
3
CH
2
CH
2
C = CH
C) BrCH
2
CH
2
CH
2
CH
2
CH
3
 and CH
3
C = CH D) BrCH
2
CH
2
CH
2
CH
3
 and CH
3
CH
2
C = CH
Sol. (D) 
2
NaNH
32 32
CH CH C CH CH CH C C Na
- +
--= ???? --=
32 2 2 23 32 2 2 2 3
CH CH CH CH Br Na C C CH CH CH CH CH CH C C CH CH
+-
--- + =-- ?? ? - - - -=- -
3-octyne
2. The correct statement about the following disaccharide is
O
H
O H
H
OCH
2
CH
2
OH
H
CH
2
OH
H
OH
H
O
HOH
2
C
O
H
CH
2
OH
H
OH
OH
H
A) Ring (a) is pyranonse with a - glycosidic link
B) Ring (a) is furanonse with a - glycosidic link
C) Ring (b) is furanonse with a - glycosidic link
D) Ring (b) is pyranonse with ß - glycosidic link
Ans. (A) 
3. In the reaction
OCH
3
HBr
?? ? ?
the products are 
A) 
OCH
3
Br
and H
2
B) 
Br and CH
3
Br
C) 
Br
and CH
3
OH
D) 
OH and CH
3
Br
PART - I: CHEMISTRY
IITJEE2010-Paper 1-CMP-4 
Sol. (D) 
OCH
3
HBr
?? ? ?
OH
3
CH Br +
4. Plots showing the variation of the rate constant (k) with temperature (T) are given below. The plot that
follows Arrhenius equation is
A) 
T 
K 
B) 
T 
K 
C) 
T 
K 
D) 
T 
K 
Sol. (A) 
Ea / RT
kAe
-
= 
 As T ?; k ? exponentially. 
T 
K 
5. The species which by definition has ZERO standard molar enthalpy of formation at 298 K is
A) Br
2
 (g) B) Cl
2
 (g)
C) H
2
O (g) D) CH
4
 (g)
Sol. (B) 
 Cl
2
 is gas at 298 K while Br
2
 is a liquid. 
6. The bond energy (in kcal mol
 – 1 
) of a C – C single bond is approximately
A)1 B)10
C) 100 D) 1000
Ans. (C) 
IITJEE2010-Paper 1-CMP-5 
7. The correct structure of ethylenediaminetetraacetic acid (EDTA) is
A) 
N
CH
2
COOH
CH
2
COOH
CH
2
HOOC
HOOC CH
2
NCH CH
B) 
N
COOH
COOH HOOC
HOOC
NCH
2
CH
2
 
C) 
N
CH
2
COOH
CH
2
COOH
CH
2
HOOC
HOOC CH
2
NCH
2
CH
2
D) 
N
H
CH
2
COOH
H
HOOC CH
2
NHC CH
CH
2
COOH
CH
2
HOOC
Ans. (C) 
8. The ionization isomer of [Cr(H
2
O)
4
Cl(NO
2
)]Cl is
A) [Cr(H
2
O)
4
(O
2
N)]Cl
2
B) [Cr(H
2
O)
4
Cl
2
](NO
2
)
C) [Cr(H
2
O)
4
Cl(ONO)]Cl D) [Cr(H
2
O)
4
Cl
2
(NO
2
)]H
2
O
Sol. (B) 
 Cl
 – 
 is replaced by 
2
NO
-
 in ionization sphere. 
SECTION – II (Multiple Correct Choice Type) 
This section contains 5 multiple choice questions. Each question has four choices A), B), C) and D) out of which 
ONE OR MORE may be correct. 
9. In the Newman projection for 2,2-dimethylbutane
HH
CH
3
H
3
C
Y
X
X and Y can respectively be 
A) H and H B) H and C
2
H
5
C) C
2
H
5
 and H D) CH
3
 and CH
3
Sol. (B, D) 
C H
3
CH
2
C
CH
3
CH
3
CH
3
1
2
3 4
 On C
2
 – C
3
 bond axis 
X = CH
3
 
Y = CH
3
 
 On C
1
 – C
2
 bond axis 
 X = H 
Y = C
2
H
5
 
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