NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 731 - 735 of 1258

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Question number: 731

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

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MCQ▾

Question

What happens when 2- butyne reacts with Na + Liq. NH3 ?

Choices

Choice (4) Response

a.

2- butyne reacts with Na + Liq. NH3 forms: Choice A

2- Butyne Reacts with Na + Liq. NH3 Forms: Choice A

2- butyne reacts with Na + Liq. NH3 forms

b.

2- butyne reacts with Na + Liq. NH3 forms: Choice B

2- Butyne Reacts with Na + Liq. NH3 Forms: Choice B

2- butyne reacts with Na + Liq. NH3 forms

c.

2- butyne reacts with Na + Liq. NH3 forms: Choice C

2- Butyne Reacts with Na + Liq. NH3 Forms: Choice C

2- butyne reacts with Na + Liq. NH3 forms

d.

2- butyne reacts with Na + Liq. NH3 forms: Choice D

2- Butyne Reacts with Na + Liq. NH3 Forms: Choice D

2- butyne reacts with Na + Liq. NH3 forms

Question number: 732

» Organic Compounds with Halogens » Preparation, Properties and Reactions

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Assertion-Reason▾

Question

Assertion (Ꭺ)

CH4 does not react with Cl2 in dark.

Reason (Ꭱ)

Chlorination of CH4 takes place in sunlight.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are false

b.

Ꭺ is false but Ꭱ is true

c.

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

d.

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

Question number: 733

» Basic Concepts in Chemistry » Mole Concept

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MCQ▾

Question

When 1 L of is heated with graphite, the volume of the gas collected is . Calculate the number of moles of CO produced at STP?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 734

» Atomic Structure » Rules for Filling Electrons in Orbitals

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MCQ▾

Question

electron configuration belongs to?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 735

» Biomolecules » Proteins

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MCQ▾

Question

Protein when heated with in give a yellow color this is?

Choices

Choice (4) Response

a.

Oxidizing test

b.

Molisch’s test

c.

Xanthoproteic test

d.

Hopper test