JEE Main 2024 (Online) 31st January Morning Shift | Practical Organic Chemistry Question 16 | Chemistry

	List - I (Technique)		List - II (Application
(A)	Distillation	(I)	Separation of glycerol from spent-lye
(B)	Fractional distillation	(II)	Aniline - Water mixture
(C)	Steam distillation	(III)	Separation of crude oil fractions
(D)	Distillation under reduced pressure	(IV)	Chloroform - Aniline

Choose the correct answer from the options given below:

A-I, B-II, C-IV, D-III

A-II, B-III, C-I, D-IV

A-IV, B-I, C-II, D-III

A-IV, B-III, C-II, D-I

JEE Main 2024 (Online) 29th January Evening Shift

MCQ (Single Correct Answer)

-1

Chromatographic technique/s based on the principle of differential adsorption is / are

A. Column chromatography

B. Thin layer chromatography

C. Paper chromatography

Choose the most appropriate answer from the options given below:

B only

A only

A & B only

C only

JEE Main 2024 (Online) 29th January Morning Shift

MCQ (Single Correct Answer)

-1

In chromyl chloride test for confirmation of $$\mathrm{Cl}^{-}$$ ion, a yellow solution is obtained. Acidification of the solution and addition of amyl alcohol and $$10 \% \mathrm{~H}_2 \mathrm{O}_2$$ turns organic layer blue indicating formation of chromium pentoxide. The oxidation state of chromium in that is

+10

JEE Main 2024 (Online) 29th January Morning Shift

MCQ (Single Correct Answer)

-1

Appearance of blood red colour, on treatment of the sodium fusion extract of an organic compound with $$\mathrm{FeSO}_4$$ in presence of concentrated $$\mathrm{H}_2 \mathrm{SO}_4$$ indicates the presence of element/s

N and S

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Questions Asked from Practical Organic Chemistry (MCQ (Single Correct Answer))

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