First slide

Classificaton of crystalline solids

Question

Phenol is prepared by Dow's process. Conditions involved in Dow’s process of preparing phenol are

Easy

A

aq.NaOH, 623K, 1 atm
B

aq.NaOH, 358K, 320 atm
C

aq.NaOH, 443K, 1 atm
D

aq.NaOH, 623K, 320 atm

Solution

Chloro benzene Is least reactive towards ArSN reaction. It is stable due to resonance.
C-Cl bond acquires double bond character.
So to convert $C_{6} H_{5} - Cl to C_{6} H_{5} - OH$ about 623 K and 300 atm -320 atm are required.

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