B-5.For the following reaction, select the statement that best describes the situation.(a)The alcohol is oxidized to an acid, and the Cr(VI) is reduced.(b)The alcohol is oxidized to an aldehyde, and the Cr(VI) is reduced.(c)The alcohol is reduced to an aldehyde, and the Cr(III) is oxidized.(d)The alcohol is oxidized to a ketone, and the Cr(VI) is reduced.B-6.What is the product from the following esterifcation?(a)(c)(bd)B-7.The following substance acts as a coenzyme in which of the following biological reactions?(a)Alcohol oxidation(c)Aldehyde reduction(b)Ketone reduction(d)None of theseB-8.Which of the following alcohols gives the best yield of dialkyl ether on being heated with atrace of sulfuric acid?(a)1-Pentanol(c)Cyclopentanol(b)2-Pentanol(d)2-Methyl-2-butanolB-9.What is the major organic product of the following sequence of reactions?
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