Question
How can you prove that hydrochloric acid contain :
Chlorine?
Chlorine?
✓
Answer
On reaction with oxidizing agents, hydrochloric acid forms respective salts water and pungent smelling, greenish yellow chlorine gas.$\underset{\text { Manganses dioxide }}{ MnO _4}+4 HCl \longrightarrow \underset{\text { Manganese chloride }}{ MnCl _2( aq )}+2 H _2 O + Cl _2 \uparrow$
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