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Question

Question: Deep pink colour is given to flame by the salts of....

Deep pink colour is given to flame by the salts of.

A

Strontium

B

Potassium

C

Zinc

D

Barium

Answer

Barium

Explanation

Solution

CaCl2Ca+2Cathode+2ClAnodeCaCl_{2} \rightarrow \underset{\text{Cathode}}{Ca^{+ 2}} + \underset{\text{Anode}}{2Cl^{-}}

Cathode : Ca+2+2eCaCa^{+ 2} + 2e^{-} \rightarrow Ca

Anode : 2Cl2e+Cl22Cl^{-} \rightarrow 2e^{-} + Cl_{2}