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JEE CHEMISTRY MCQ: ALCOHOLS & PHENOLS & ETHERS
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Understanding
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Which of the following statements are correct?
(i) In phenols, the group is attached to hybridised carbon of an aromatic ring
(ii) The carbon - oxygen bond length (136 pm) in phenol is slightly more than that in methanol
(iii) Partial double bond character is due to the conjugation of unshared electron pair of oxygen with the aromatic ring.
(iv) hybridised state of carbon to which oxygen is attached.
(i) In phenols, the group is attached to hybridised carbon of an aromatic ring
(ii) The carbon - oxygen bond length (136 pm) in phenol is slightly more than that in methanol
(iii) Partial double bond character is due to the conjugation of unshared electron pair of oxygen with the aromatic ring.
(iv) hybridised state of carbon to which oxygen is attached.
View answer and explanation
Correct option: C
(i), (iii) and (iv)
The correct answer is C () because the difference between and at constant volume is .
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