Alcohols and PhenolsMechanism of Dehydration of Alcohols66Choose the best answerThe first step in acid-catalysed dehydration of an alcohol is:AFormation of a carbocationBProtonation of the –OH groupCRemoval of a β-hydrogenDAttack by OH⁻ Like 0 Discuss 0Share
Alcohols and PhenolsSaytzeff Rule in Dehydration67Choose the best answerDehydration of butan-2-ol mainly gives:AButan-1-olBBut-2-eneCButanalDButanoic acid Like 0 Discuss 0Share
Alcohols and PhenolsSolubility of Alcohols68Choose the best answerThe water solubility of alcohols decreases with increasing carbon-chain length mainly because of increasing:AHydrophilic characterBHydrophobic characterCAcidityDIonic character Like 0 Discuss 0Share
Alcohols and PhenolsLiAlH₄ and NaBH₄69Choose the best answerLiAlH₄ is preferred over NaBH₄ for reducing carboxylic acids because LiAlH₄ is:AA weaker reducing agentBA stronger reducing agentCAn oxidizing agentDAn acid Like 0 Discuss 0Share
Alcohols and PhenolsAcidic Character of Alcohols70Choose the best answerThe general order of acidity of simple primary, secondary and tertiary alcohols is:A3° > 2° > 1°B1° > 2° > 3°C2° > 1° > 3°D2° > 3° > 1° Like 0 Discuss 0Share