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BITSAT Chemistry Test - 7 - JEE MCQ


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40 Questions MCQ Test BITSAT Mock Tests Series & Past Year Papers - BITSAT Chemistry Test - 7

BITSAT Chemistry Test - 7 for JEE 2024 is part of BITSAT Mock Tests Series & Past Year Papers preparation. The BITSAT Chemistry Test - 7 questions and answers have been prepared according to the JEE exam syllabus.The BITSAT Chemistry Test - 7 MCQs are made for JEE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for BITSAT Chemistry Test - 7 below.
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BITSAT Chemistry Test - 7 - Question 1

Which of the following does not give iodoform test

BITSAT Chemistry Test - 7 - Question 2

Glucose forms a silver mirror with Tollen's reagent. This shows a presence of

BITSAT Chemistry Test - 7 - Question 3

In hydrogen atom, energy of first excited state is -3.4 eV. Then find out the K.E. of the electron in the same orbit of hydrogen atom

BITSAT Chemistry Test - 7 - Question 4

The energy of an electro-magnetic radiation is 19.875 x 10 − 13 ergs. What is the wave number in cm-1

BITSAT Chemistry Test - 7 - Question 5

Which of the following alkyl group has the maximum + I effect?

BITSAT Chemistry Test - 7 - Question 6

The least count of an instrument is 0.01cm. Taking all precautions, the most possible error in the measurement can be

BITSAT Chemistry Test - 7 - Question 7

The number of equivalents of Na2S2O3 required for the volumetric estimation of one equivalent of Cu2+ is

Detailed Solution for BITSAT Chemistry Test - 7 - Question 7

Volumetric estimation of Cu2+ is carried out iodometrically as follows:
2 Cu2+ + 4 Kl = 2 Cul2 + 4K+
2 Cul2 = 2 Cul + l2
This liberated l2 is titrated against Na2S2O3 solution
2Na2S2O3 + l2 = Na2S4O6 + 2 Nal
2 moles Cu2+ ions ≡ 1 mole l2 ≡ 2 moles of Na2S2O3
∴ 1 mole Cu2+ ion ≡ 1 mole Na2S2O3
Eq. wt. of Na2S2O3 = mol. wt
∴ 1 mole Cu2+ ion ≡ 1 Eq. wt. of Na2S2O3

BITSAT Chemistry Test - 7 - Question 8

Which of the following does not have sp2-hybridised carbon?

BITSAT Chemistry Test - 7 - Question 9

If fatty acid is to fat then glucose is to

BITSAT Chemistry Test - 7 - Question 10

Which of the following gives maximum energy in metabolic process?

BITSAT Chemistry Test - 7 - Question 11

The reaction,

is fastest when X is

BITSAT Chemistry Test - 7 - Question 12

If an endothermic reaction is non-spontaneous at freezing point of water and becomes feasible at its boiling point, then

BITSAT Chemistry Test - 7 - Question 13

Which one of the following molecules will have unequal bond lengths around the central atom?

BITSAT Chemistry Test - 7 - Question 14

A chemical reaction is catalyzed by a catalyst X. Hence X

BITSAT Chemistry Test - 7 - Question 15

Photosensitizer is a substance which

BITSAT Chemistry Test - 7 - Question 16

As per the modern periodic law the physical and chemical properties of elements are periodic function of their

Detailed Solution for BITSAT Chemistry Test - 7 - Question 16

Modern periodic law states " If the elements are arranged in order of their increasing atomic numbers, the elements with similar properties are repeated after certain regular intervals.

BITSAT Chemistry Test - 7 - Question 17

The heat of combustion of yellow and red phosphorus are -9.91 kJ mol⁻1 and -8.78 kJ mol⁻1 respectively. The heat of conversion of yellow P → red P is

BITSAT Chemistry Test - 7 - Question 18

Which of these is a hypnotic?

BITSAT Chemistry Test - 7 - Question 19

The dark blue colour of the solution formed when excess of ammonia is added to a solution of copper (II) sulphate is due to the presence of the ion :

BITSAT Chemistry Test - 7 - Question 20

Which of the following series involves gradual filling of 5f-level?

BITSAT Chemistry Test - 7 - Question 21

Which of the following element belongs to the third row transition series?

BITSAT Chemistry Test - 7 - Question 22

In which of the following reaction, hydrogen is acting as an oxidising agent?

BITSAT Chemistry Test - 7 - Question 23

Name the alkene with the molecular formula C₁₀H₂₀

BITSAT Chemistry Test - 7 - Question 24

In electrophilic substitution reactions nitrobenzene is

BITSAT Chemistry Test - 7 - Question 25

The process used for the removal of hardness of water is

BITSAT Chemistry Test - 7 - Question 26

In which of the following acid-base titration pH is greater than8 at the equivalence point ?

BITSAT Chemistry Test - 7 - Question 27

Which of the following compounds will be most easily attacked by an electrophile ?

BITSAT Chemistry Test - 7 - Question 28

Which of the following oxides of nitrogen reacts with FeSO₄ to form a dark brown compound?

BITSAT Chemistry Test - 7 - Question 29

In the reaction 4HNO₃ + P₄O₁₀ → 4HPO₃ + X, the product X is

BITSAT Chemistry Test - 7 - Question 30

BF₃ acts as an acid according to the concept of

BITSAT Chemistry Test - 7 - Question 31

The isomers of formula C2H2Br2 are :

Detailed Solution for BITSAT Chemistry Test - 7 - Question 31

BITSAT Chemistry Test - 7 - Question 32

The aqlueous solution/liquid that absorbs nitric oxide to a considerable extent is

BITSAT Chemistry Test - 7 - Question 33

Phenol is used in the manufacture of

BITSAT Chemistry Test - 7 - Question 34

Amongst elements of Group 15, the property which increases down the Group is

BITSAT Chemistry Test - 7 - Question 35

Which of the following does not participate in the Solvay's process for the manufacture of Na₂CO₃?

BITSAT Chemistry Test - 7 - Question 36

Electrochemical process (electrolysis of fused salt) is employed to extract

BITSAT Chemistry Test - 7 - Question 37

Which of the following 0.1 M aqueous solutions will have the lowest freezing point

BITSAT Chemistry Test - 7 - Question 38

If the four tubes of a car are filled to the same pressure with N₂, O₂, H₂ and helium separately, then which one will be filled first

BITSAT Chemistry Test - 7 - Question 39

Haemoglobin contains 0.334% of iron by weight. If molecular weight of haemoglobin is approximately 67200, then the number of iron atoms (At.wt. of Fe is 56) present in one molecule of haemoglobin are

Detailed Solution for BITSAT Chemistry Test - 7 - Question 39

BITSAT Chemistry Test - 7 - Question 40

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