MCQ
A voltaic cell converts:
- AElectrical energy into chemical energy.
- ✓Chemical energy into electrical energy.
- CLight energy into electrical energy.
- DMechanical energy into electrical energy.
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The correct statement($s$) regarding $P , Q , R$ and $S$ is(are)
$(A)$ Reaction of $P$ with $R$ in the presence of $KOH$ followed by acidification gives
$(B)$ Reaction of $R$ with $O _2$ in the presence of light gives phosgene gas
$(C)$ $Q$ reacts with aqueous $NaOH$ to produce $Cl _3 CCH _2 OH$ and $Cl _3 CCOONa$
$(D)$ $S$ on heating gives $P$
Complex || Oxidation and number || Electronic configuration