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CHEMISTRY TEST 2

30 Questions MCQ Test | CHEMISTRY TEST 2

Description

This mock test of CHEMISTRY TEST 2 for helps you for every entrance exam. This contains 30 Multiple Choice Questions for CHEMISTRY TEST 2 (mcq) to study with solutions a complete question bank. The solved questions answers in this CHEMISTRY TEST 2 quiz give you a good mix of easy questions and tough questions. students definitely take this CHEMISTRY TEST 2 exercise for a better result in the exam. You can find other CHEMISTRY TEST 2 extra questions, long questions & short questions for on EduRev as well by searching above.

QUESTION: 1

1 mole of ferric oxalate is oxidised by x mole of in acidic medium. Hence value of x is

A.
0.6
B.
1.6
C.
0.4
D.
0.2

Solution:

QUESTION: 2

In the reaction,

A.
CNCH₂CH₂CH₂Br
B.
ClCH₂CH₂CH₂CN
C.
CNCH₂CH₂CH₂CN
D.
CNCH₂CH = CH₂

Solution:

QUESTION: 3

1-Phenyl ethyl chloride undergoes alkaline hydrolysis to give 1-phenyl ethanol with

A.
complete inversion of configuration
B.
racemization plus some inversion
C.
retention of configuration
D.
complete racemization

Solution:

QUESTION: 4

The relative strength of boron trihalides as electron pair acceptors increases in the order as

A.
BF₃ < BCl₃ < BBr₃
B.
BCl₃ < BBr₃ < BF₃
C.
BCl₃ < BF₃ < BBr₃
D.
BBr₃ < BCl₃ < BF₃

Solution:

QUESTION: 5

Which trihalide is not hydrolysed ?

A.
NF₃
B.
PCl₃
C.
AsCl₃
D.
SbCl₃

Solution:

QUESTION: 6

Which does not form precipitate with AgNO₃ ?

A.
HF
B.
HCl
C.
HBr
D.
HI

Solution:

QUESTION: 7

When ammonia is added to green aqueous solution of nickel (II) sulphate,the colour of the solution changes to blue violet. This is caused by

A.
nickel ion undergoing a change in oxidation state
B.
ammonia molecules replacing water molecules surrounding nickel
C.
change in co-ordination number of nickel
D.
change in pH value of the solution

Solution:

QUESTION: 8

The correct IUPAC name of

A.
potassium tetrahydroxyzinc (II)
B.
potassium tetrahydroxozincate (II)
C.
potassium tetrahydroxyzincate (IV)
D.
potassium hydroxozinc (II)

Solution:

QUESTION: 9

What is the maximum number of hydrogen bonds in which a water molecule can participate ?

A.
1
B.
2
C.
3
D.
4

Solution:

QUESTION: 10

Solubility of a salt A₂B₃ is 1x10^-4 mol L^-1 , itssolubility product is

A.
1.08x10^-20
B.
1.08x10¹⁸
C.
2.6x10^-18
D.
1.08x10^-18

Solution:

QUESTION: 11

If ammonia is added to pure water, the concentration of a chemical species already present will decrease. The species is

A.
O^2-
B.
OH^-
C.
H₃O⁺
D.
H₂O

Solution:

QUESTION: 12

20 cm³ of xM solution of HCl is exactly neutralised by 40 cm³ or 0.5 M NaOH solution, the molarity of HCl solution is

A.
1.0
B.
2.0
C.
1.5
D.
2.5

Solution:

QUESTION: 13

In the given transformation, which of the following is the most appropriate reagent ?

A.
Zn—Hg/HCl
B.
Na, Liq. NH₃
C.
NaBH₄
D.
NH₂NH₂, OH^-

Solution:

QUESTION: 14

Under what conditions of temperature and pressure the formation of atomic hydrogen from molecular hydrogen will be favoured most ?

A.
High temperature and high pressure
B.
Low temperature and low pressure
C.
High temperature and low pressure
D.
Low temperature and high pressure

Solution:

QUESTION: 15

(D) and (L) Configuration of above carbohydrate is

A.
L, L, D
B.
L, D, L
C.
L, L, L
D.
L, D, D

Solution:

QUESTION: 16

What are X and Y in the following reaction sequence

A.
C₂H₅Cl, CH₃CHO
B.
CH₃CHO, CH₃CO₂H
C.
CH₃CHO, CCl₃CHO
D.
C₂H₅Cl, CCl₃CHO

Solution:

QUESTION: 17

Copper sulphate solution reacts with KCN to give

A.
Cu(CN)₂
B.
CuCN
C.
D.

Solution:

QUESTION: 18

Bakelite is obtained from phenol by reacting with

A.
acetaldehyde
B.
acetal
C.
formaldehyde
D.
chlorobenzene

Solution:

QUESTION: 19

(no ring substitution) Product (A) is

A.
Ph—CH₂—Cl
B.
Ph—CH₂—Br
C.
Ph—CH₂—CCl₃
D.
Ph—CH₂—CBrCl₂

Solution:

QUESTION: 20

The energy required to break one mole of Cl—Cl bonds in Cl₂ is 242 kJ mol^-1. The longest wavelength of light capable of breaking single Cl—Cl bond is
(c = 3 x 10⁸ m sec^-1, NA = 6.023 x 10²³ mol^-1)

A.
700 nm
B.
494 nm
C.
594 nm
D.
640 nm

Solution:

QUESTION: 21

Acetamide reacts with NaOBr in alkaline medium to form

A.
NH₃
B.
CH₃NH₂
C.
CH₃CN
D.
CH₃CH₂NH₂

Solution:

QUESTION: 22

A 0.6% urea solution is isotonic with

A.
0.1 M glucose solution
B.
0.1 M KCl solution
C.
0.6% glucose solution
D.
0.6% NaCl solution

Solution:

QUESTION: 23

Product (D) will be

Solution:

QUESTION: 24

Identify the statement which is not correct regarding copper sulphate

A.
it reacts with KI to give iodine
B.
it reacts with KCl to giveCu₂Cl₂
C.
it reacts with NaOH and glucose to giveCu₂O
D.
it gives CuO on strong heating in air

Solution:

QUESTION: 25

What takes place when zinc metal is added to an aqueous solution containing magnesium nitrate and silver nitrate ?

1. Zn is oxidised
2. Mg²⁺ is reduced
3. Ag⁺ is reduced
4. No reaction

A.
1 and 2 only
B.
1 and 3 only
C.
1, 2, 3
D.
4

Solution:

QUESTION: 26

Consider the reaction, Cl₂ (g) + 2Br^- (aq) → Br₂ (g) + 2Cl^- (aq).The emf of the cell, when [Cl^-] = [Br₂] = [Br^-] = 0.01 M and Cl₂ gas is at 1 atm pressure, will be =0.29V