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SRMJEEE Chemistry Mock Test - 2 - JEE MCQ


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30 Questions MCQ Test - SRMJEEE Chemistry Mock Test - 2

SRMJEEE Chemistry Mock Test - 2 for JEE 2024 is part of JEE preparation. The SRMJEEE Chemistry Mock Test - 2 questions and answers have been prepared according to the JEE exam syllabus.The SRMJEEE Chemistry Mock Test - 2 MCQs are made for JEE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for SRMJEEE Chemistry Mock Test - 2 below.
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SRMJEEE Chemistry Mock Test - 2 - Question 1

With oxalic acid, glycerol at 503 K gives

Detailed Solution for SRMJEEE Chemistry Mock Test - 2 - Question 1
When glycerol is reacted with Oxalic acid at 383K, it gives formic acid as follows: CH2OH-CHOH-CH2OH + COOH-COOH ------> CH2OH-CHOH-CH2OH + HCOOH at 383K . The glycerine is used in excess amounts and hence obtained in products also. But when , it is heated with Oxalic acid at 503K, it gives allyl alcohol, i.e. those alcohols in which OH group attached to carbon is sp3 hybridised but the sp3 hybridised carbon is attached to sp2 hybridised carbon atom.Allyl alcohol is CH2=CH-CH2OH.
SRMJEEE Chemistry Mock Test - 2 - Question 2

Which of the following reactions is used for detecting presence of carbonyl group ?

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SRMJEEE Chemistry Mock Test - 2 - Question 3

The reaction of chloroform with alcoholic KOH and p-toluidine form

SRMJEEE Chemistry Mock Test - 2 - Question 4

The acidic solution of salt produced a deep blue colour with starch iodide solution. The salt may be

SRMJEEE Chemistry Mock Test - 2 - Question 5

Benzene is obtained by fractional distillation of

SRMJEEE Chemistry Mock Test - 2 - Question 6

The quantum number values for the designation 3d are

SRMJEEE Chemistry Mock Test - 2 - Question 7

Other factors being constant which bond order is expected to correspond to shortest bond length

SRMJEEE Chemistry Mock Test - 2 - Question 8

Carbohydrates are used by body mainly

SRMJEEE Chemistry Mock Test - 2 - Question 9

A carboxylic acid is converted into its anhydride using

SRMJEEE Chemistry Mock Test - 2 - Question 10

The most stable carbonium ion is:

SRMJEEE Chemistry Mock Test - 2 - Question 11

When enthalpy and entropy change for a chemical reaction are -2.5 x103 cals and 7.4 cals deg⁻1 respectively . Predict that reaction at 298 K is

Detailed Solution for SRMJEEE Chemistry Mock Test - 2 - Question 11

SRMJEEE Chemistry Mock Test - 2 - Question 12

The bond between carbon - 1 and carbon -2 in the compound N ≡ C − CH = CH2 is

Detailed Solution for SRMJEEE Chemistry Mock Test - 2 - Question 12

SRMJEEE Chemistry Mock Test - 2 - Question 13

The chemical equilibrium of a reversible reaction is not influenced by

SRMJEEE Chemistry Mock Test - 2 - Question 14

The rate of reaction, A + B → products; is given by the equation, r = k [A] [B]. If B is taken in large excess, the order of the reaction would be

SRMJEEE Chemistry Mock Test - 2 - Question 15

Streptomycin, a well known antibiotic, is a derivative of

SRMJEEE Chemistry Mock Test - 2 - Question 16

The IUPAC name of the compound having the molecular formula Cl₃C-CH₂CHO is

SRMJEEE Chemistry Mock Test - 2 - Question 17

Which of the following electronic configuration corresponds to an inert gas?

Detailed Solution for SRMJEEE Chemistry Mock Test - 2 - Question 17

As the electronic configuration of inert gases is ns2 np6 ,thus the element containing electronic configuration 1s22s22p6 , is an inert gas.

SRMJEEE Chemistry Mock Test - 2 - Question 18

The heat of combustion of methane at 298K is expressed by CH4 (g) + 2O2 (g) → CO2 (g) + 2H2O (l), ΔH = − 890.2 k J. The magnitude of ΔE of the reaction at this temperature is

SRMJEEE Chemistry Mock Test - 2 - Question 19

The limiting molar conductivities for NaCl. KBr and KCl are 126, 152 and 150 S-cm2-mol⁻1 respectively. The molar conductivity of NaBr is

SRMJEEE Chemistry Mock Test - 2 - Question 20

Oxygen and cyclopropane at partial pressure of 570 torr and 170 torr respectively are mixed in a gas cylinder. What is the ratio of the number of moles of cyclopropane to the number of moles of oxygen ?

SRMJEEE Chemistry Mock Test - 2 - Question 21

Which of the following compound is used to prevent the deposition of oxides of lead on spark plug, combustion chamber and exhaust pipe?

SRMJEEE Chemistry Mock Test - 2 - Question 22

When HCl gas is passed through a saturated Solutions of NaCl , the solubility of Nacl:

SRMJEEE Chemistry Mock Test - 2 - Question 23

Which of the following molecule having molecular formula C₄H₆O₂ will be optically active?

SRMJEEE Chemistry Mock Test - 2 - Question 24

Which one of the following is a typical example of compound which exists as zwitter ion?

SRMJEEE Chemistry Mock Test - 2 - Question 25

1 g of radioactive element reduces to 125 mg after 24 hours. Half life of isotope is

SRMJEEE Chemistry Mock Test - 2 - Question 26

A substance C₄H₁₀O yields on oxidation a compound C₄H₈O, which gives an oxime and a positive iodoform test. The original substance on treatment with conc. H₂SO₄ gives C₄H₈. The structure of the compound is

SRMJEEE Chemistry Mock Test - 2 - Question 27

Select incorrect statements(s):

SRMJEEE Chemistry Mock Test - 2 - Question 28

Which of the following is an example of natural polymer?

SRMJEEE Chemistry Mock Test - 2 - Question 29

If 0.6387 of plantinichloride of a monoacid base on ignition gave 0.209g of platinum, then molecular weight of the base is

SRMJEEE Chemistry Mock Test - 2 - Question 30

Which acts as both oxidising as well as reducing agent ?

Detailed Solution for SRMJEEE Chemistry Mock Test - 2 - Question 30
As here in B we can see that N is in +3oxidation state therefore it can increase up to 5 or decrease down to -3 hence it will oxidise as well as reduce.
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