Purification & Characteristics of Organic Compounds (JEE (Based on NTA Guidelines-IIT Engg.) Mains Chemistry): Questions 1 - 3 of 3

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Question number: 1

» Purification & Characteristics of Organic Compounds » Qualitative Analysis

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MCQ▾

Question

In organic compounds which produces green color on flame also produces a colorless gas (G) and colorless solution (S) with solution (S) produces white with But does not produce with gas (g) prodeces black with solution.

Select incorrect statement about gas G’

Choices

Choice (4) Response

a.

It is a triatomic

b.

It is produces yellowish white with gas G in Aqueous solution

c.

It produces water soluble salt with solution

d.

It produces black with solution

Question number: 2

» Purification & Characteristics of Organic Compounds » Quantitative Analysis

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MCQ▾

Question

Of household bleach, solution was mixed with of and of acetic acid. In the titration of the liberated iodine, of was used to reach the end point the molarity of the household bleach solution.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 3

» Purification & Characteristics of Organic Compounds » Purification » Crystallization

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MCQ▾

Question

The density of solid argon is 1.65 g/ml at . if the argon atom is assumed to be sphere of radius What percentage of solid argon is apparently empty space?

Choices

Choice (4) Response

a.

84%

b.

38%

c.

50%

d.

62%

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