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BITSAT Chemistry Test - 3


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40 Questions MCQ Test BITSAT Mock Tests Series & Past Year Papers | BITSAT Chemistry Test - 3

BITSAT Chemistry Test - 3 for JEE 2023 is part of BITSAT Mock Tests Series & Past Year Papers preparation. The BITSAT Chemistry Test - 3 questions and answers have been prepared according to the JEE exam syllabus.The BITSAT Chemistry Test - 3 MCQs are made for JEE 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for BITSAT Chemistry Test - 3 below.
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BITSAT Chemistry Test - 3 - Question 1

Which of the following is most soluble in water?

Detailed Solution for BITSAT Chemistry Test - 3 - Question 1 This is because the size of the four-carbon group (more specifically, the volume of the four-carbon group) is smallest for t-butyl.
BITSAT Chemistry Test - 3 - Question 2

In which of the following reactions, aldehydes and ketones are distinguished?

BITSAT Chemistry Test - 3 - Question 3

which of the following hybridisation occurs in the formation of methane molecule?

BITSAT Chemistry Test - 3 - Question 4

Which of the following statements in relation to the hydrogen atom is correct?

BITSAT Chemistry Test - 3 - Question 5

Which of the following explains the sequence of filling electrons in different subshells?

BITSAT Chemistry Test - 3 - Question 6

The number of atoms contained in 11.2 L of SO₂ at S.T.P. are

BITSAT Chemistry Test - 3 - Question 7

The units nanometer, fermi, angstrom and attometre arranged in decreasing order

BITSAT Chemistry Test - 3 - Question 8

Electrophiles are

BITSAT Chemistry Test - 3 - Question 9

Reaction of O₂ and CO with haemoglobin gives

BITSAT Chemistry Test - 3 - Question 10

The cell membranes are mainly composed of

BITSAT Chemistry Test - 3 - Question 11

A carboxylic acid is converted into its anhydride using

BITSAT Chemistry Test - 3 - Question 12

Which chloride should exhibit the most covalent type of bond?

BITSAT Chemistry Test - 3 - Question 13

A vessel at equilibrium, contains SO₃, SO₂ and O₂. Now some helium gas is added, so that total pressure increases while temperature and volume remain constant. According to Le-Chatelier's principle, the dissociation of SO₃

BITSAT Chemistry Test - 3 - Question 14

The order of a reaction of a radioactive decay is

Detailed Solution for BITSAT Chemistry Test - 3 - Question 14 The half-life of a reaction is the time required for the reactant concentration to decrease to one-half its initial value. The half-life of a first-order reaction is a constant that is related to the rate constant for the reaction: t1/2 = 0.693/k. Radioactive decay reactions are first-order reactions.
BITSAT Chemistry Test - 3 - Question 15

The correct order of electron affinity among the following is

Detailed Solution for BITSAT Chemistry Test - 3 - Question 15

The electron affinity of fluorine is unexpectedly less than that of Cl. Because the size of F atom is quite small, as a result, the electron-electron repulsions in the relatively compact 2p-subshell are comparitively large and hence, the incoming electron is not accepted with the same ease as in the case with Cl.

BITSAT Chemistry Test - 3 - Question 16

A reaction is not feasible, if

BITSAT Chemistry Test - 3 - Question 17

Tranquilisers are substances used for the treatment of

BITSAT Chemistry Test - 3 - Question 18

Which of the following is a common donor atom in ligands ?

BITSAT Chemistry Test - 3 - Question 19

Which of the following characteristics of the transition metals is associated with their catalytic activity?

BITSAT Chemistry Test - 3 - Question 20

Nickel is purified by

BITSAT Chemistry Test - 3 - Question 21

The mass of carbon anode consumed (giving only carbon dioxide) in the production of 270 kg of aluminium from bauxite by Hall process is (Atomic weight of AI = 27)

Detailed Solution for BITSAT Chemistry Test - 3 - Question 21
Bauxite is not directly used in Hall's process. It is first converted into alumina by Bayer's process.
Reaction of carbon with Al2O3 forming Aluminium and carbon dioxide is given :
2Al2O3 + 3C  →→4Al  + 3CO2

​Molar mass of Al = 27 g mol-1​
​Molar mass of Al2O3 = 118 g mol-1
​Molar mass of Carbon = 12 g mol-1

Thus, we can see that according to this reaction, (4××27) = 108 g of Al is formed from the reduction of Al2O3 by (3××12) = 36 g of carbon.
108 g of Al produced by 36 g of Carbon
27000 g of Al is formed by (36 / 108) ××27000
= 90000 g or 90 kg (aaprox.)
BITSAT Chemistry Test - 3 - Question 22

Which one of the following alkenes will react faster with H₂ catalytic hydrogenation conditions ?

BITSAT Chemistry Test - 3 - Question 23

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

BITSAT Chemistry Test - 3 - Question 24

In aqueous solution hydrogen peroxide oxidises H₂S to

BITSAT Chemistry Test - 3 - Question 25

Methyl amine on heating with CHCl₃ and KOH gives

BITSAT Chemistry Test - 3 - Question 26

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

BITSAT Chemistry Test - 3 - Question 27

If for a given substance, melting point is TB and freezing point is TA then which of following graph gives correct variation of entropy change vs temperature?

BITSAT Chemistry Test - 3 - Question 28

The total number of acyclic isomers including stereoisomers of C₄H₇Cl are

BITSAT Chemistry Test - 3 - Question 29

Which of the following oxides is a peroxide?

BITSAT Chemistry Test - 3 - Question 30

The element with atomic no. 36 belongs to which of the following block in the Periodic Table?

BITSAT Chemistry Test - 3 - Question 31

Caprolactam polymerises to give

BITSAT Chemistry Test - 3 - Question 32

The oxidation state of oxygen is zero in 

BITSAT Chemistry Test - 3 - Question 33

Which of the following is the strongest oxidising agent?

BITSAT Chemistry Test - 3 - Question 34

When potassium ferrocyanide crystals are heated with conc. H₂SO₄, the gas evolved is

BITSAT Chemistry Test - 3 - Question 35

Fires that result from the combustion of alkali metals can be extinguished by

BITSAT Chemistry Test - 3 - Question 36

In certain matters, lithium differs from other alkali metals, the main reason for this is

BITSAT Chemistry Test - 3 - Question 37

When the product of pressure and volume is plotted against pressure for a given amount of gas, the line obtained is

BITSAT Chemistry Test - 3 - Question 38

Normality of 2M sulphuric acid is

BITSAT Chemistry Test - 3 - Question 39

Hydrogen evolved at STP on complete reaction of 27 g of aluminium with excess of aqueous NaOH would be

Detailed Solution for BITSAT Chemistry Test - 3 - Question 39

BITSAT Chemistry Test - 3 - Question 40

The separation of colloidal particles from those of molecular dimensions is called

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