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# WBJEE Chemistry Test - 9

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## 40 Questions MCQ Test WBJEE Sample Papers, Section Wise & Full Mock Tests | WBJEE Chemistry Test - 9

WBJEE Chemistry Test - 9 for JEE 2022 is part of WBJEE Sample Papers, Section Wise & Full Mock Tests preparation. The WBJEE Chemistry Test - 9 questions and answers have been prepared according to the JEE exam syllabus.The WBJEE Chemistry Test - 9 MCQs are made for JEE 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for WBJEE Chemistry Test - 9 below.
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WBJEE Chemistry Test - 9 - Question 1

### Which one of the following is the weakest Lewis base ?

WBJEE Chemistry Test - 9 - Question 2

### Lucas reagent is

WBJEE Chemistry Test - 9 - Question 3

### Reductive ozonolysis of benzene produces

WBJEE Chemistry Test - 9 - Question 4
In India at the occasion of marriages, the fire works are used, which of the following gives green flame?
WBJEE Chemistry Test - 9 - Question 5
Nessler's reagent is
WBJEE Chemistry Test - 9 - Question 6

The uncertainty in the position of an electron (mass 9.1x 10-28g) moving with a velocity of 3.0 x 104 cm s-1 accurate up to 0.011%, will be

WBJEE Chemistry Test - 9 - Question 7
Which of the following does not show electromeric effect?
WBJEE Chemistry Test - 9 - Question 8
The number of molecules of ATP produced in the lipid metabolism of a molecule of palmitic acid is
WBJEE Chemistry Test - 9 - Question 9
In which of the following molecules/ions are all the bonds not equal?
WBJEE Chemistry Test - 9 - Question 10

The enthalpy of hydrogenation of cyclohexene is -119.5 KJ mol-1 if resonance energy of benzene is -150.4 KJ mol-1,its enthalpy of hydrogenation would be

WBJEE Chemistry Test - 9 - Question 11
Chemical equilibrium is dynamic in nature, because
Detailed Solution for WBJEE Chemistry Test - 9 - Question 11 The two opposite processes, forward reaction and reverse reaction, keep on occurring in it all the time but at exactly equal rates (or equal speeds)
A chemical reaction does not stop after reaching the equilibrium state, only the rate of the forward and the reverse reactions become equal at the equilibrium state
WBJEE Chemistry Test - 9 - Question 12

For a reaction at 300 K, enthalpy and entropy changes are -11.5 x 103 J mol-1 and -105J K-1 mol-1 respectively. What is the change in Gibbs free energy?

Detailed Solution for WBJEE Chemistry Test - 9 - Question 12

ΔG = ΔH - TΔS
= -(115 x 10)3 - [300 (-105)]
= 11500 - (- 31500) = 20000 J mol-1
= 20 kJ mol-1

WBJEE Chemistry Test - 9 - Question 13
The rate of a chemical reaction
WBJEE Chemistry Test - 9 - Question 14
An antipyretic is
WBJEE Chemistry Test - 9 - Question 15

IUPAC name of  is

WBJEE Chemistry Test - 9 - Question 16

The number of unpaired electrons calculated in [ Co(NH3)6]3+  and [ CoF6 ]3- are

WBJEE Chemistry Test - 9 - Question 17
Caesium oxide is expected to be
WBJEE Chemistry Test - 9 - Question 18
Which one of the following indicates the value of the gas constant R ?
WBJEE Chemistry Test - 9 - Question 19
Which of the following is an electron deficient compound?
WBJEE Chemistry Test - 9 - Question 20

The electronic configuration of four different elements is given below. Identify the group IV element among these

WBJEE Chemistry Test - 9 - Question 21
Which one has the lowest boiling point?
WBJEE Chemistry Test - 9 - Question 22
Metal hydrides on treatment water gives
WBJEE Chemistry Test - 9 - Question 23
Which one of the following pairs of compounds are functional isomers?
WBJEE Chemistry Test - 9 - Question 24
Which of the following is used for nuclear reaction?
WBJEE Chemistry Test - 9 - Question 25
The strongest base among the following is
WBJEE Chemistry Test - 9 - Question 26
Which of the following is an example of synthetic polymer?
WBJEE Chemistry Test - 9 - Question 27
The compound is used in the manufacture of terylene is
WBJEE Chemistry Test - 9 - Question 28
If molecular weight of KMnO₄ is M, then its equivalent weight in acidic medium would be
WBJEE Chemistry Test - 9 - Question 29
The Miller indices of a plane having intercepts 2a, 2b, ∞ are
Detailed Solution for WBJEE Chemistry Test - 9 - Question 29
WBJEE Chemistry Test - 9 - Question 30
Ionic addition of bromine to cis-2-butene yields
WBJEE Chemistry Test - 9 - Question 31

The number of stereoisomers possible for a compound of the molecular formula
CH3  ― CH ═ CH ― CH (OH)   ― Me is

WBJEE Chemistry Test - 9 - Question 32

In the following carbocation, H/CH3 that is most likely to migrate to the positively charged carbon is

WBJEE Chemistry Test - 9 - Question 33

Which set of products is expected on reductive ozonolysis of the following diolefin?

WBJEE Chemistry Test - 9 - Question 34

The IUPAC name of neo-pentane is

WBJEE Chemistry Test - 9 - Question 35

The major product (70%-80%) of reaction between m-dinitrobenzene with (NH₄)₂ Sx is

WBJEE Chemistry Test - 9 - Question 36

Which statement are correct about osmotic pressure (P) volume (V) and temperature (T) ?

WBJEE Chemistry Test - 9 - Question 37

Which statement(s) about cathode rays is/are correct?

WBJEE Chemistry Test - 9 - Question 38

Which of following compounds on hydrolysis produce HCl ?

WBJEE Chemistry Test - 9 - Question 39

Which of the following statement(s) is (are) wrong?

WBJEE Chemistry Test - 9 - Question 40

Be and Al resembles in

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