NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 867 - 870 of 1258

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Question number: 867

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

Edit
Assertion-Reason▾

Question

Assertion (Ꭺ)

Primary and secondary alcohols can be distinguished by Victor-Meyer’s test

Reason (Ꭱ)

Primary alcohols form nitrolic acid which dissolve in NaOH to form blood red colouration but secondary alcohols form pseudonitriles which give blue colouration with NaOH.

Choices

Choice (4) Response

a.

Ꭺ is false but Ꭱ is true

b.

Ꭺ is true but Ꭱ is false

c.

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

d.

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

Question number: 868

» Basic Concepts in Chemistry » Atomic and Molecular Masses

Edit
MCQ▾

Question

is allowed to react with for the following reaction?

What mass of will be left unreacted at the end of reaction?

Choices

Choice (4) Response

a.

2

b.

5

c.

3

d.

4

Question number: 869

» Biomolecules » Vitamins

Edit
MCQ▾

Question

Which of the following vitamin is known as biotin?

Choices

Choice (4) Response

a.

Vitamin

b.

Vitamin

c.

Vitamin H

d.

Vitamin K

Question number: 870

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

Edit
MCQ▾

Question

In the given reaction

Finding the answer for A and B

Finding the Answer for a and B

Finding the answer for A and B

Which are correct?

(1) A = Acetaldehyde

(2) B = acetic acid

(3) A = Acetone

(4) B = ethyl alcohol

In the following questions, more than one of the answers given are correct. Select the correct answers and mark it according to the following codes:

Choices

Choice (4) Response

a.

1 and 2 are correct

b.

1 and 3 are correct

c.

1,2 and 3 are correct

d.

2 and 4 are correct