MCQ
Oxygen in absorbed by molten $Ag$, which is evolved on cooling and the silver particles are scattered, this phenomenon is known as
- Asilvering of mirror
- ✓spitting of silver
- Cfrosting of silver
- Dhairing of silver
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Reason : Oxygen forms $p\pi \,-\, p\pi $ multiple bond due to small size and small bond length but $p\pi \,-\,p\pi $ bonding is not possible in sulphur.

Consider the above reaction, the product $'X'$ and $'Y'$ respectively are :
$\left( A \right)\xrightarrow{{\operatorname{Re}duction}}\left( B \right)\xrightarrow{{HN{O_2}}}{C_2}{H_5}OH$