p-Block Elements: JEE Mains Previous Year Questions (2021-2024) | Chemistry for JEE Main & Advanced PDF Download

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Q1 - 2024 (01 Feb Shift 2) 
Match List - I with List - II. 
 
Choose the correct answer from the options given below : 
(1) (A)-(I), (B), (II), (C)-(III), (D)-(IV) 
(2) (A)-(III), (B)-(I), (C)-(IV), (D)-(II) 
(3) (A)-(IV), (B)-(III), (C)-(II), (D)-(I) 
(4) (A)-(II), (B)-(III), (C)-(I), (D)-(IV) 
 
Q2 - 2024 (01 Feb Shift 2) 
Given below are two statements: 
Statement (I) :SiO
2
 and GeO
2
 are acidic while SnO and PbO are amphoteric in nature. 
Statement (II) : Allotropic forms of carbon are due to property of catenation and p?? - d?? 
bond formation. 
In the light of the above statements, choose the most appropriate answer from the 
options given below: 
(1) Both Statement I and Statement II are false 
(2) Both Statement I and Statement II are true 
(3) Statement I is true but Statement II is false 
(4) Statement I is false but Statement II is true 
 
Q3 - 2024 (27 Jan Shift 1) 
Given below are two statements : one is labelled as Assertion (A) and the other is labelled 
as Reason (R). 
Assertion (A) : Melting point of Boron (2453 K) is unusually high in group 13 
Page 2


 
    
 
 
Q1 - 2024 (01 Feb Shift 2) 
Match List - I with List - II. 
 
Choose the correct answer from the options given below : 
(1) (A)-(I), (B), (II), (C)-(III), (D)-(IV) 
(2) (A)-(III), (B)-(I), (C)-(IV), (D)-(II) 
(3) (A)-(IV), (B)-(III), (C)-(II), (D)-(I) 
(4) (A)-(II), (B)-(III), (C)-(I), (D)-(IV) 
 
Q2 - 2024 (01 Feb Shift 2) 
Given below are two statements: 
Statement (I) :SiO
2
 and GeO
2
 are acidic while SnO and PbO are amphoteric in nature. 
Statement (II) : Allotropic forms of carbon are due to property of catenation and p?? - d?? 
bond formation. 
In the light of the above statements, choose the most appropriate answer from the 
options given below: 
(1) Both Statement I and Statement II are false 
(2) Both Statement I and Statement II are true 
(3) Statement I is true but Statement II is false 
(4) Statement I is false but Statement II is true 
 
Q3 - 2024 (27 Jan Shift 1) 
Given below are two statements : one is labelled as Assertion (A) and the other is labelled 
as Reason (R). 
Assertion (A) : Melting point of Boron (2453 K) is unusually high in group 13 
elements. 
Reason (R) : Solid Boron has very strong crystalline lattice. 
In the light of the above statements, choose the most appropriate answer from the 
options given below; 
(1) Both (A) and (R) are correct but (R) Is not the correct explanation of (A) 
(2) Both (A) and (R) are correct and (R) is the correct explanation of (A) 
(3) (A) is true but (R) is false 
(4) (A) is false but (R) is true 
 
Q4 - 2024 (29 Jan Shift 1) 
Identify the incorrect pair from the following : 
(1) Fluorspar- BF
3
 
(2) Cryolite- Na
3
AlF
6
 
(3) Fluoroapatite- 3Ca
3
 PO
4
 
2
· CaF
2
 
(4) Carnallite- KCl· MgCl
2
· 6H
2
O 
 
Q5 - 2024 (31 Jan Shift 1) 
Consider the oxides of group 14 elements SiO
2
, GeO
2
, SnO
2
, PbO
2
, COand GeO. The 
amphoteric oxides are 
(1) GeO, GeO
2
 
(2) SiO
2
, GeO
2
 
(3) SnO
2
, PbO
2
 
(4) SnO
2
, CO 
 
Q6 - 2024 (31 Jan Shift 2) 
Given below are two statements: 
Statement I: Group 13 trivalent halides get easily hydrolyzed by water due to their 
covalent nature. 
Statement II: AlCl
3
 upon hydrolysis in acidified aqueous solution forms octahedral 
 Al H
2
O 
6
 
3+
 ion. 
In the light of the above statements, choose the correct answer from the options given 
below : 
(1) Statement I is true but statement II is false 
(2) Statement I is false but statement II is true 
(3) Both statement I and statement II are false 
(4) Both statement I and statement II are true 
 
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Q1 - 2024 (01 Feb Shift 2) 
Match List - I with List - II. 
 
Choose the correct answer from the options given below : 
(1) (A)-(I), (B), (II), (C)-(III), (D)-(IV) 
(2) (A)-(III), (B)-(I), (C)-(IV), (D)-(II) 
(3) (A)-(IV), (B)-(III), (C)-(II), (D)-(I) 
(4) (A)-(II), (B)-(III), (C)-(I), (D)-(IV) 
 
Q2 - 2024 (01 Feb Shift 2) 
Given below are two statements: 
Statement (I) :SiO
2
 and GeO
2
 are acidic while SnO and PbO are amphoteric in nature. 
Statement (II) : Allotropic forms of carbon are due to property of catenation and p?? - d?? 
bond formation. 
In the light of the above statements, choose the most appropriate answer from the 
options given below: 
(1) Both Statement I and Statement II are false 
(2) Both Statement I and Statement II are true 
(3) Statement I is true but Statement II is false 
(4) Statement I is false but Statement II is true 
 
Q3 - 2024 (27 Jan Shift 1) 
Given below are two statements : one is labelled as Assertion (A) and the other is labelled 
as Reason (R). 
Assertion (A) : Melting point of Boron (2453 K) is unusually high in group 13 
elements. 
Reason (R) : Solid Boron has very strong crystalline lattice. 
In the light of the above statements, choose the most appropriate answer from the 
options given below; 
(1) Both (A) and (R) are correct but (R) Is not the correct explanation of (A) 
(2) Both (A) and (R) are correct and (R) is the correct explanation of (A) 
(3) (A) is true but (R) is false 
(4) (A) is false but (R) is true 
 
Q4 - 2024 (29 Jan Shift 1) 
Identify the incorrect pair from the following : 
(1) Fluorspar- BF
3
 
(2) Cryolite- Na
3
AlF
6
 
(3) Fluoroapatite- 3Ca
3
 PO
4
 
2
· CaF
2
 
(4) Carnallite- KCl· MgCl
2
· 6H
2
O 
 
Q5 - 2024 (31 Jan Shift 1) 
Consider the oxides of group 14 elements SiO
2
, GeO
2
, SnO
2
, PbO
2
, COand GeO. The 
amphoteric oxides are 
(1) GeO, GeO
2
 
(2) SiO
2
, GeO
2
 
(3) SnO
2
, PbO
2
 
(4) SnO
2
, CO 
 
Q6 - 2024 (31 Jan Shift 2) 
Given below are two statements: 
Statement I: Group 13 trivalent halides get easily hydrolyzed by water due to their 
covalent nature. 
Statement II: AlCl
3
 upon hydrolysis in acidified aqueous solution forms octahedral 
 Al H
2
O 
6
 
3+
 ion. 
In the light of the above statements, choose the correct answer from the options given 
below : 
(1) Statement I is true but statement II is false 
(2) Statement I is false but statement II is true 
(3) Both statement I and statement II are false 
(4) Both statement I and statement II are true 
 
 
Answer Key 
Q1 (2) 
 
Q2 (3) 
 
Q3 (2) 
 
Q4 (1) 
 
Q5 (3) 
 
Q6 (4) 
 
Solutions 
Q1 
CCl
4
 used in fire extinguisher. CH
2
Cl
2
 used as paint remover. Freons used in refrigerator 
and AC. DDT used as non Biodegradable insecticide. 
 
Q2 
SiO
2
 and GeO
2
 are acidic and SnO, PbO are amphoteric. 
Carbon does not have d-orbitals so can not form p?? - d?? Bond with itself. Due to 
properties of catenation and p?? - p?? bond formation. carbon is able to show allotropic 
forms. 
 
Q3 
Solid Boron has very strong crystalline lattice so its melting point unusually high in 
group 13 elements 
 
Q4 
Fluorspar is CaF
2
 
 
Q5 
SnO
2
 and PbO
2
 are amphoteric 
 
Q6 
In trivalent state most of the compounds being covalent are hydrolysed in water. 
Trichlorides on hydrolysis in water form tetrahedral  M(OH)
4
 
-
species, the hybridization 
Page 4


 
    
 
 
Q1 - 2024 (01 Feb Shift 2) 
Match List - I with List - II. 
 
Choose the correct answer from the options given below : 
(1) (A)-(I), (B), (II), (C)-(III), (D)-(IV) 
(2) (A)-(III), (B)-(I), (C)-(IV), (D)-(II) 
(3) (A)-(IV), (B)-(III), (C)-(II), (D)-(I) 
(4) (A)-(II), (B)-(III), (C)-(I), (D)-(IV) 
 
Q2 - 2024 (01 Feb Shift 2) 
Given below are two statements: 
Statement (I) :SiO
2
 and GeO
2
 are acidic while SnO and PbO are amphoteric in nature. 
Statement (II) : Allotropic forms of carbon are due to property of catenation and p?? - d?? 
bond formation. 
In the light of the above statements, choose the most appropriate answer from the 
options given below: 
(1) Both Statement I and Statement II are false 
(2) Both Statement I and Statement II are true 
(3) Statement I is true but Statement II is false 
(4) Statement I is false but Statement II is true 
 
Q3 - 2024 (27 Jan Shift 1) 
Given below are two statements : one is labelled as Assertion (A) and the other is labelled 
as Reason (R). 
Assertion (A) : Melting point of Boron (2453 K) is unusually high in group 13 
elements. 
Reason (R) : Solid Boron has very strong crystalline lattice. 
In the light of the above statements, choose the most appropriate answer from the 
options given below; 
(1) Both (A) and (R) are correct but (R) Is not the correct explanation of (A) 
(2) Both (A) and (R) are correct and (R) is the correct explanation of (A) 
(3) (A) is true but (R) is false 
(4) (A) is false but (R) is true 
 
Q4 - 2024 (29 Jan Shift 1) 
Identify the incorrect pair from the following : 
(1) Fluorspar- BF
3
 
(2) Cryolite- Na
3
AlF
6
 
(3) Fluoroapatite- 3Ca
3
 PO
4
 
2
· CaF
2
 
(4) Carnallite- KCl· MgCl
2
· 6H
2
O 
 
Q5 - 2024 (31 Jan Shift 1) 
Consider the oxides of group 14 elements SiO
2
, GeO
2
, SnO
2
, PbO
2
, COand GeO. The 
amphoteric oxides are 
(1) GeO, GeO
2
 
(2) SiO
2
, GeO
2
 
(3) SnO
2
, PbO
2
 
(4) SnO
2
, CO 
 
Q6 - 2024 (31 Jan Shift 2) 
Given below are two statements: 
Statement I: Group 13 trivalent halides get easily hydrolyzed by water due to their 
covalent nature. 
Statement II: AlCl
3
 upon hydrolysis in acidified aqueous solution forms octahedral 
 Al H
2
O 
6
 
3+
 ion. 
In the light of the above statements, choose the correct answer from the options given 
below : 
(1) Statement I is true but statement II is false 
(2) Statement I is false but statement II is true 
(3) Both statement I and statement II are false 
(4) Both statement I and statement II are true 
 
 
Answer Key 
Q1 (2) 
 
Q2 (3) 
 
Q3 (2) 
 
Q4 (1) 
 
Q5 (3) 
 
Q6 (4) 
 
Solutions 
Q1 
CCl
4
 used in fire extinguisher. CH
2
Cl
2
 used as paint remover. Freons used in refrigerator 
and AC. DDT used as non Biodegradable insecticide. 
 
Q2 
SiO
2
 and GeO
2
 are acidic and SnO, PbO are amphoteric. 
Carbon does not have d-orbitals so can not form p?? - d?? Bond with itself. Due to 
properties of catenation and p?? - p?? bond formation. carbon is able to show allotropic 
forms. 
 
Q3 
Solid Boron has very strong crystalline lattice so its melting point unusually high in 
group 13 elements 
 
Q4 
Fluorspar is CaF
2
 
 
Q5 
SnO
2
 and PbO
2
 are amphoteric 
 
Q6 
In trivalent state most of the compounds being covalent are hydrolysed in water. 
Trichlorides on hydrolysis in water form tetrahedral  M(OH)
4
 
-
species, the hybridization 
state of element Mis sp
3
. 
In case of aluminium, acidified aqueous solution forms octahedral  Al H
2
O 
6
 
3+
 ion. 
 
Page 5


 
    
 
 
Q1 - 2024 (01 Feb Shift 2) 
Match List - I with List - II. 
 
Choose the correct answer from the options given below : 
(1) (A)-(I), (B), (II), (C)-(III), (D)-(IV) 
(2) (A)-(III), (B)-(I), (C)-(IV), (D)-(II) 
(3) (A)-(IV), (B)-(III), (C)-(II), (D)-(I) 
(4) (A)-(II), (B)-(III), (C)-(I), (D)-(IV) 
 
Q2 - 2024 (01 Feb Shift 2) 
Given below are two statements: 
Statement (I) :SiO
2
 and GeO
2
 are acidic while SnO and PbO are amphoteric in nature. 
Statement (II) : Allotropic forms of carbon are due to property of catenation and p?? - d?? 
bond formation. 
In the light of the above statements, choose the most appropriate answer from the 
options given below: 
(1) Both Statement I and Statement II are false 
(2) Both Statement I and Statement II are true 
(3) Statement I is true but Statement II is false 
(4) Statement I is false but Statement II is true 
 
Q3 - 2024 (27 Jan Shift 1) 
Given below are two statements : one is labelled as Assertion (A) and the other is labelled 
as Reason (R). 
Assertion (A) : Melting point of Boron (2453 K) is unusually high in group 13 
elements. 
Reason (R) : Solid Boron has very strong crystalline lattice. 
In the light of the above statements, choose the most appropriate answer from the 
options given below; 
(1) Both (A) and (R) are correct but (R) Is not the correct explanation of (A) 
(2) Both (A) and (R) are correct and (R) is the correct explanation of (A) 
(3) (A) is true but (R) is false 
(4) (A) is false but (R) is true 
 
Q4 - 2024 (29 Jan Shift 1) 
Identify the incorrect pair from the following : 
(1) Fluorspar- BF
3
 
(2) Cryolite- Na
3
AlF
6
 
(3) Fluoroapatite- 3Ca
3
 PO
4
 
2
· CaF
2
 
(4) Carnallite- KCl· MgCl
2
· 6H
2
O 
 
Q5 - 2024 (31 Jan Shift 1) 
Consider the oxides of group 14 elements SiO
2
, GeO
2
, SnO
2
, PbO
2
, COand GeO. The 
amphoteric oxides are 
(1) GeO, GeO
2
 
(2) SiO
2
, GeO
2
 
(3) SnO
2
, PbO
2
 
(4) SnO
2
, CO 
 
Q6 - 2024 (31 Jan Shift 2) 
Given below are two statements: 
Statement I: Group 13 trivalent halides get easily hydrolyzed by water due to their 
covalent nature. 
Statement II: AlCl
3
 upon hydrolysis in acidified aqueous solution forms octahedral 
 Al H
2
O 
6
 
3+
 ion. 
In the light of the above statements, choose the correct answer from the options given 
below : 
(1) Statement I is true but statement II is false 
(2) Statement I is false but statement II is true 
(3) Both statement I and statement II are false 
(4) Both statement I and statement II are true 
 
 
Answer Key 
Q1 (2) 
 
Q2 (3) 
 
Q3 (2) 
 
Q4 (1) 
 
Q5 (3) 
 
Q6 (4) 
 
Solutions 
Q1 
CCl
4
 used in fire extinguisher. CH
2
Cl
2
 used as paint remover. Freons used in refrigerator 
and AC. DDT used as non Biodegradable insecticide. 
 
Q2 
SiO
2
 and GeO
2
 are acidic and SnO, PbO are amphoteric. 
Carbon does not have d-orbitals so can not form p?? - d?? Bond with itself. Due to 
properties of catenation and p?? - p?? bond formation. carbon is able to show allotropic 
forms. 
 
Q3 
Solid Boron has very strong crystalline lattice so its melting point unusually high in 
group 13 elements 
 
Q4 
Fluorspar is CaF
2
 
 
Q5 
SnO
2
 and PbO
2
 are amphoteric 
 
Q6 
In trivalent state most of the compounds being covalent are hydrolysed in water. 
Trichlorides on hydrolysis in water form tetrahedral  M(OH)
4
 
-
species, the hybridization 
state of element Mis sp
3
. 
In case of aluminium, acidified aqueous solution forms octahedral  Al H
2
O 
6
 
3+
 ion. 
 
 
 
 
 
Q1 - 2024 (01 Feb Shift 1) 
Among the following oxide of p - block elements, number of oxides having amphoteric 
nature is 
Cl
2
O
7
, CO, PbO
2
, N
2
O, NO, Al
2
O
3
, SiO
2
, N
2
O
5
, SnO
2
 
 
Q2 - 2024 (27 Jan Shift 1) 
Element not showing variable oxidation state is : 
(1) Bromine 
(2) Iodine 
(3) Chlorine 
(4) Fluorine 
 
Q3 - 2024 (27 Jan Shift 2) 
Given below are two statements: 
Statement (I): Oxygen being the first member of group 16 exhibits only -2 oxidation 
state. 
Statement (II): Down the group 16 stability of +4 oxidation state decreases and +6 
oxidation state increases. In the light of the above statements, choose the most 
appropriate answer from the options given below: 
(1) Statement I is correct but Statement II is incorrect 
(2) Both Statement I and Statement II are correct 
(3) Both Statement I and Statement II are incorrect 
(4) Statement I is incorrect but Statement II is correct 
 
Q4 - 2024 (30 Jan Shift 2) 
Choose the correct statements about the hydrides of group 15 elements. 
A. The stability of the hydrides decreases in the order NH
3
> PH
3
> AsH
3
> SbH
3
> BiH
3
 
B. The reducing ability of the hydrides increases in the order NH
3
< PH
3
< AsH
3
<
SbH
3
< BiH
3
 
C. Among the hydrides, NH
3
 is strong reducing agent while BiH
3
 is mild reducing agent.