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Chemistry S and P - Block Elements (S - Block Elements Not In Syllabus ) JEE Main 2021 - S Block Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

Match List-I with List II

List – I List-II

(Salt) (Flame colour wavelength)

LiCl (i) 455.5 nm − (ii), − (ii), − (iv), − (i),

NaCl (ii) 970.8 nm − (i), − (iv), − (ii), − (iv),

RbCl (iii) 780.0 nm − (iv), − (iii), − (iii), − (ii),

CsCl (iv) 589.2 nm Choose the correct answer from the options given below : − (iii) − (i) − (i) − (iii)

Text Solution

Verified by Experts

The correct answer is:

Range of visible region

VIBGYOR

Violet Red

LiCl Crimson Red

NaCl Golden yellow

RbCl Violet

CsCl Blue

So Lid Which is crimson have wave length closed to red in the spectrum of visible region which is as per given data is.

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