JEE Main 2026 Apr 6 Shift 1, Chemistry Q23: Properties of Alcohol

JEE Main2026Apr 6, Shift 1Chemistry

$4.7$ g of phenol is heated with Zn to give product X. If this reaction goes to $60%$ completion then the number of moles of compound X formed will be _____ $\times 1 0^{- 2}$ (Nearest Integer)

(Given molar mass in g mol $^{- 1}$ : H : 1, C : 12, O : 16)

Your answer

Solution

Phenol distilled with zinc dust undergoes reduction: $C_{6} H_{5} OH + Zn \to C_{6} H_{6} + ZnO$ . Product X is benzene, with a $1 : 1$ stoichiometry.

Moles of phenol $= \frac{4.7}{94} = 0.05$ mol.

At $60%$ conversion: moles of benzene formed $= 0.05 \times 0.60 = 0.03 = 3 \times 1 0^{- 2}$ mol.

$∴$ Answer is $3$ .

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JEE Main 2026 Apr 6 Shift 1, Chemistry Q23: Properties of Alcohol

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