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Hydrogenation of naphthalene (P) with ex...

Hydrogenation of naphthalene (P) with excess hydrogen gas stops cleanly at 1, 2, 3, 4-tetrahydronaphthalene (Q). What conclusion can be drawn from this experiment ?

A

the hydrogenation of P is exothermic

B

one aromatic ring of P is more reactive than the aromatic ring of Q

C

one aromatic ring of P is less reactive than the other ring of Q

D

reduction of the first C = C of P is faster than reduction of the second or third C=C

Text Solution

Verified by Experts

The correct Answer is:
B
Industrial method for preparation for phenol which is known as cumen-hydoperoxide rearrangement.
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