Q.

Which of the following statements is not correct?

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a

When vapours of phenol are passed over Zn dust, benzene is formed.

b

The penolic —OH group is ortho- and para- directing.

c

o-Nitrophenol has a lower boiling point as compared to that of p-nitrophenol.

d

Phenol is less acidic than o-cresol.

answer is D.

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Detailed Solution

 Statements D  is not correct Phenol is less acidic than o-cresol.

Phenol is a stronger acid than cresol. This is true because CH3 in cresol is an electron-donating group, increasing the oxygen's electron density. This indicates that the OH bond's electron density has increased, making cresol's acidity weaker than phenol's.

Hence, correct option is D.

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