Aldehydes, Ketones, and Carboxylic Acids — Chemistry STD 12 Science — Question

Read the passage given below and answer the following questions:

A tertiary alcohol H upon acid catalysed dehydration gives a product I. Ozonolysis of I leads to compounds J and K. Compound J upon reaction with KOH gives benzyl alcohol and a compound I, whereas K on reaction with KOH gives only M.

The following questions are multiple choice questions. Choose the most appropriate answer:

1. Compound H is formed by the reaction of:

2. The structure of compound I is:

3. The structures of compound J, K and I, respectively, are:

1. PhCOCH₃, PhCH₂COCH₃ and PhCH₂COO^-K⁺
2. PhCHO, PhCH₂CHO and PhCOO^-K⁺
3. PhCOCH₃, PhCH₂CHO and CH₃COO^-K⁺
4. PhCHO, PhCOCH₃ and PhCOO^-K⁺

4. When (J) is treated with acetic anhydride, in the presence of corresponding salt of an acid, the product obtained is:

1. Cinnamic acid.
2. Crotonic acid.
3. Maleic acid.
4. Benzylic acid.

5. Which of the following statements is correct for compound (K)?

1. It reacts with alkaline KMn04 followed by acidic hydrolysis and forms benzoic acid.
2. It reacts with iodine and NaOH to form triiodomethane.
3. It is prepared by the reaction of benzene with benzoyl chloride in presence of anhydrous aluminium chloride.
4. It reacts with freshly prepared ammoniacal silver nitrate solution.