R A carboxylic acid is converted to a primary alcohol by LiAlH+ (lithium aluminum hydride, LAH) as described by the unbalanced equation below. Note: the second step (hydrolysis) is needed to isolate the product, but does not alter the stoichiometry of the reaction. How many moles of hydride must be provided by LAH to react one mole of a carboxylic acid? 1) LiAlH4 OH 2) H, H₂O H R OH A) 1 B) 2 C) 3 D) 4

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Diol

In chemistry there are so many chemical compounds that have a hydroxyl group but a chemical compound having two hydroxyl groups (-OH) is termed as a diol. It also implies the presence of two alcohols whereas polyols contain two or more than two hydroxyl groups (-OH). Glycol or 1,2-diol is an aliphatic diol that has two alcohol groups on adjacent carbon atoms. In industries, the most commonly used diol is ethylene glycol.