Question

A substance X is a compound of an element of group IA the substance X gives a violet colour in flame test, X is.

• A. $LiCl$
• B. $NaCl$
• C. $KCl$
• D. None

Answer 1

Answer: (C)

$KCl$

Answer 2

Potassium react with halogens (chlorine) to gives violet colour flame.