AIIMS Chemistry Mock Test - 5


60 Questions MCQ Test AIIMS Mock Tests & Previous Year Papers | AIIMS Chemistry Mock Test - 5


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This mock test of AIIMS Chemistry Mock Test - 5 for NEET helps you for every NEET entrance exam. This contains 60 Multiple Choice Questions for NEET AIIMS Chemistry Mock Test - 5 (mcq) to study with solutions a complete question bank. The solved questions answers in this AIIMS Chemistry Mock Test - 5 quiz give you a good mix of easy questions and tough questions. NEET students definitely take this AIIMS Chemistry Mock Test - 5 exercise for a better result in the exam. You can find other AIIMS Chemistry Mock Test - 5 extra questions, long questions & short questions for NEET on EduRev as well by searching above.
QUESTION: 1

Zerewitnoff's determination of active hydrogen in a compound is based upon its reaction with

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QUESTION: 2

The largest number of molecules is in 

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QUESTION: 3

which of the following shows electrical conduction?

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QUESTION: 4

Among the following compounds which is most reactive towards nitration

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QUESTION: 5

Adding Cl₂ to benzene in the presence of anhydrous AlCl₃ is an example of

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QUESTION: 6

Amongst the following compounds which can be most easily sulphonated is

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QUESTION: 7

The simplest formula of a compound containing 50% of element of X (atomic mass = 10) and 50% of element Y (atomic mass 20) is

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QUESTION: 8

Which of the following gas changes lime water in milky colour?

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QUESTION: 9

Dipole moment is highest in

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QUESTION: 10

For most of the chemical reactions the rate of reaction

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QUESTION: 11

Which of the following is true for an isochoric processes

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QUESTION: 12

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): Polypropylene is an addition polymer.
Reason(R): Polypropylene is polyene.

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QUESTION: 13

The reaction A → B follows first order kinetics. The time taken for 0.8 mole of A to produce 0.6 mole of B is 1 hour. What is the time taken for conversion of 0.9 mole of A to produce 0.675 mole of B?

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QUESTION: 14

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): MgO is used for lining of steel making furnace.
Reason(R): MgO acts as acidic flux and facilitates the removal of acidic impurities of Si, P and S from steel through slag formation.

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QUESTION: 15

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): Ammonolysis of alkyl halides ivolves the reaction between alkyl halides and alcoholic ammonia.
Reason(R): Reaction can be used to prepare only 2º amines.

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QUESTION: 16

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): Vapour pressure of NH₃ is higher than C₂H₅OH.
Reason(R): Inter-molecular H-bonding is present in NH₃ as well as C₂H₅OH.

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QUESTION: 17

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): The value of s signifies for the direction of revolution of an electron .
Reason(R): The revolution can be clockwise or anticlock wise.

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QUESTION: 18

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): Each electron in an atom behaves as a small magnet.
Reason(R): Electrons have orbital and spin magnetic moments.

Solution:
QUESTION: 19

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): Lyman series involves higher energy transitions than Balmer series.
Reason(R): Lyman series falls in UV region, whereas Balmer series falls in visible region.

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QUESTION: 20

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): Acylation of aniline increases the reactivity of benzene ring (as compared with that in aniline).
Reason(R): Acylation of aniline results in decrease in electron density at the benzene ring.

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QUESTION: 21

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A):In a catalytic reaction, the energy of activation is reduced in comparison to the uncatalysed one.
Reason(R):The catalyst affects the reaction equilibrium constant.

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QUESTION: 22

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): Li is strongest reducing agent among alkali metals.
Reason(R): Li has highest hydration energy among alkali metals.

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QUESTION: 23

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): Atomic radii decrease left to right in a period.
Reason (R): When the electrons are added to the same shell, they are poorshielders, hence effective nuclear charge decreases.

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QUESTION: 24

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): Ionic solids are characterised by high melting and boiling point.
Reason(R): Ionic solids have coulombic forces of attraction between their ions.

Solution:

Ionic solids have high melting and boiling point because cations and anions present in them are bounded by coulombic forces of attraction

QUESTION: 25

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): Sulphanilic acid exists asa dipolar ion whereas p-amonobenzoic acid does not.
Reason(R): Carboxyl group being more acidic than the -SO3H group, can easily transfer H+ to the amion group.

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QUESTION: 26

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): High density polythene contains linear chain polymers.
Reason(R): It is a translucent polymer.

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QUESTION: 27

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): Electropositivity increases down the group but decreses along the period.
Reason(R): electronpositicity denpends upon ionisation energy and sublimation energy .

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QUESTION: 28

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): Borax bead test is only for coloured salts.
Reason(R): In this test coloured salts form coloured metal metaborates.

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QUESTION: 29

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): Benzaldehyde is more reactive than ethanol towards nucleophilic attack.
Reason(R): All the carbon atoms of benzaldehyde are sp2-hybridized.

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QUESTION: 30

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): Methane cannot be obtained by Wurtz reaction.
Reason(R): Wurtz reaction leads to the formation of symmetrical alkane having an even number of carbon atoms.

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QUESTION: 31

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): Polar solvent slows down SN2 reactions.
Reason(R): CH₃-Br is less reactive than CH₃Cl.

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QUESTION: 32

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): All enzymes are proteins but all proteins are not enzymes.
Reason(R): Keratin is an enzymes.

Solution:

Keratin refers to a family of fibrous structural proteins. Keratin is the key structural material making up the outer layer of human skin, hair and nails.

QUESTION: 33

Which is the best description of the behaviour of bromine in the reaction: H₂O + Br₂ → HOBr + HBr?

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QUESTION: 34

The volume of 10 moles of an ideal gas is 1 litre at 27ºC and 1 atm. pressure. What is the volume (in lit) of 20 moles of same gas at same temperature and pressure?

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QUESTION: 35

The electroplating with chromium is undertaken because

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QUESTION: 36

The strongest reducing agent out of Na, K, Rb and Cs is

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QUESTION: 37

Which one of following properties of alkali metals increases in magnitude as the atomic number rises?

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QUESTION: 38

Which compound will show the highest lattice energy?

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QUESTION: 39

Bad conductor of electricity is

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QUESTION: 40

Electronic configuration of calcium atom may be written as

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QUESTION: 41

Acidified solution of chromic acid on treatment with H₂O₂ yields

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QUESTION: 42

Which one of the following compound is not a protonic acid?

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QUESTION: 43

The compound whose 0.1 M solutions is basic is

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QUESTION: 44

Aluminium chloride is

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QUESTION: 45

Which of the following sulphides has the lowest solubility product?

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QUESTION: 46

Benzophenone can be converted into benzene using

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QUESTION: 47

Which of the following has the most acidic hydrogen ?

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QUESTION: 48

Arrange in order of decreasing trend towards ES (electrophilic substitution) reactions: Chlorobenzene (I), Benzene (II), Anilinium chloride (III), Toluene (IV)

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QUESTION: 49

Low reactivity of vinyl chloride and chlorobenzene is due to :

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QUESTION: 50

The addition of HBr to alkenes in the presence of peroxides is called :

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QUESTION: 51

Which type of glass has a property to cut off ultra-violet rays?

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QUESTION: 52

p-type silicon is formed by adding a minute amount of an element with

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QUESTION: 53

Out of the following E1 reaction is favoured in the following case:

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QUESTION: 54

Body-centred cubic has coordination number of

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QUESTION: 55

A molal solution is one that contains one mole of a solute in

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QUESTION: 56

If 107 g of an aqueous solution contains 39.5 g of a solute (mol. weight = 158), then mole fraction of the solute is

Solution: First find no. of moles of solute that is 0.25(39.5/158)then moles of solvent that is 107-39.5/18 = 3.75 mole reaction of solute = no of moles of solute/total moles 0.25/4 into 100 = 6.25
QUESTION: 57

The amount of urea to be dissolved in 500 c.c. of water (K=18.6) to produce a depression of 0.186ºC in the freezing point is

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QUESTION: 58

Which of the following would not have a trans isomer?

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QUESTION: 59

From a salt solution of Cu, 0.534 g of Mg displaces 1.415 g of Cu. If equivalent weight of Mg is 12, then equivalent weight of Cu will be

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QUESTION: 60

Which one of the following elements shows maximum number of different oxidation states in its compounds ?

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