JEE Main 2023 (Online) 6th April Evening Shift | Practical Organic Chemistry Question 30 | Chemistry

	LIST I Element detected		LIST II Reagent used / Product formed
A.	Nitrogen	I.	$$\mathrm{Na_2[Fe(CN)_5NO]}$$
B.	Sulphur	II.	$$\mathrm{AgNO_3}$$
C.	Phosphorous	III.	$$\mathrm{Fe_4[Fe(CN)_6]_3}$$
D.	Halogen	IV.	$$\mathrm{(NH_4)_2MoO_4}$$

Choose the correct answer from the options given below:

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

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

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

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

JEE Main 2023 (Online) 1st February Evening Shift

MCQ (Single Correct Answer)

-1

Given below are two statements :

Statement I : Sulphanilic acid gives esterification test for carboxyl group.

Statement II : Sulphanilic acid gives red colour in Lassigne's test for extra element detection.

In the light of the above statements, choose the most appropriate answer from the options given below :

Both Statement I and Statement II are correct

Statement I is correct but Statement II is incorrect

Both Statement I and Statement II are incorrect

Statement I is incorrect but Statement II is correct

JEE Main 2023 (Online) 31st January Evening Shift

MCQ (Single Correct Answer)

-1

In Dumas method for the estimation of $\mathrm{N}_{2}$, the sample is heated with copper oxide and the gas evolved is passed over :

Copper oxide

Copper gauze

$\mathrm{Pd}$

$\mathrm{Ni}$

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