NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 692 - 696 of 1195

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Question number: 692

» Organic Compounds With Oxygen » Preparation, Properties and Reactions and Uses

Assertion-Reason▾

Assertion (Ꭺ)

Tert- butyl alcohol undergoes acid catalysed dehydration readily than propanol.

Reason (Ꭱ)

3° alcohols do not give Victor-Meyer’s test.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

b.

Ꭺ is true but Ꭱ is false

c.

Ꭺ is false but Ꭱ is true

d.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

Question number: 693

» Basic Concepts in Chemistry » Atomic and Molecular Masses

MCQ▾

Question

A metal oxide has the formula it can reduced by to give free metal and water. required for complete reduction. The atomic mass of metal is?

Choices

Choice (4) Response

a.

27.9

b.

159.8

c.

55.8

d.

79.8

Question number: 694

» Basic Concepts in Chemistry » Atomic and Molecular Masses

MCQ▾

Question

The percentage of Se in peroxide enzyme is by mass. Then, the minimum molecular mass of enzyme, which contains not more than on Se atom is?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 695

» Basic Concepts in Chemistry » Physical Quantities and Measurements

MCQ▾

Question

Calculate the number of milliliters at STP of gas needed to precipitate cupric sulphide completely from 100 mL of a solution containing in 1L?

Choices

Choice (4) Response

a.

14.2

b.

41.2

c.

d.

21.4

Question number: 696

» Hydrocarbons » Alkynes » Addition of Hydrogen, Halogens, Water and Hydrogen Halides

MCQ▾

Question

What will be the product of chlorine water and acetylene?

Choices

Choice (4) Response

a.

Dichloro ethanal

b.

Propanol

c.

2-Chloroethanol

d.

Dichloro propanol

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