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JEE CHEMISTRY MCQ: ALCOHOLS & PHENOLS & ETHERS
1
Medium
1 of 1
Understanding
+4 | -1
Assertion: Phenol is a strong acid than ethanol.
Reason: Groups with effect decreases acidity at p-position.
Reason: Groups with effect decreases acidity at p-position.
View answer and explanation
Correct option: B
If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
Option B (If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion) is correct because both statements are true, but the +M effect is not the primary reason for phenol's acidity.
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Assertion (A): Isopropyl alcohol is preferred over ethanol.
Reason (R): Isopropyl alcohol is used as an antiseptic for skin before giving injections. Germinated Barley (an enzyme) is a source of enzyme: The process of converting alkyl halides into alcohols involves The b.p. of alcohols are….than corresponding thiols. Which of the following can not be used to oxidise primary alcohols to aldehydes Conc. heated with excess of at to form
Reason (R): Isopropyl alcohol is used as an antiseptic for skin before giving injections. Germinated Barley (an enzyme) is a source of enzyme: The process of converting alkyl halides into alcohols involves The b.p. of alcohols are….than corresponding thiols. Which of the following can not be used to oxidise primary alcohols to aldehydes Conc. heated with excess of at to form