The structure of compound (A) is:

Linear

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Crown Shaped

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square pyramidal

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zig-zag chain

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Solution

The correct option is B Crown Shaped
The structure of compound (A) is crown shaped. Compound A is sulphur. It exists in the form of $S_{8}$ molecules.
Sulphur reacts with NaOH to form $N a_{2} S$ and $N a_{2} S_{2} O_{3}$
$S_{8} + 12 N a O H \to 4 N a_{2} S + 2 N a_{2} S_{2} O_{3} + 6 H_{2} O$
$N a_{2} S$ reacts with dil HCl to form $H_{2} S$ which has rotten egg smell.
$N a_{2} S + 2 H C l \to 2 N a C l + H_{2} S$

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Similar questions

X + C + C l_{2} H i g h t e m p - ----- \to Y + C O

Y + 2 H_{2} O \to Z + 2 H C l

Y

Y

C l_{2}

Structural isomers are compounds with same molecular formula and with different structures but same number of carbon atoms in the parent chain.

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