A solid is a compound of group $ 1 $ element and it gives a bright red colour in the flame test. The solid is

Question

A solid is a compound of group $ 1 $ element and it gives a bright red colour in the flame test. The solid is, $ \mathrm{LiBr} $, $ \mathrm{CsCl} $, $ \mathrm{KCl} $, $ \mathrm{NaCl} $

MARKS App · Accepted Answer

Lithium and strontium salts impart bright red colour to the flame and it says that it belongs to alkali metals which means it is salt of lithium.

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