Aldehydes, Ketones and Carboxylic Acids · Question 48

CH3CHO and C6H5CH2CHO can be distinguished chemically by

1. Benedict's test
2. Iodoform test
3. Tollens' reagent test
4. Fehling's solution test

The correct order of decreasing acid strength of trichloroacetic acid (A), trifluoroacetic acid (B), acetic acid (C) and formic acid (D) is

1. B > A > D > C
2. B > D > C > A
3. A > B > C > D
4. A > C > B > D

Predict the products in the given reaction. [figure]

1. [figure]
2. [figure]
3. [figure]
4. [figure]

Acetone is treated with excess of ethanol in the presence of hydrochloric acid. The product obtained is

1. [figure]
2. [figure]
3. [figure]
4. [figure]

The order of reactivity of phenyl magnesium bromide (PhMgBr) with the following compounds: [figure]

1. III > II > I
2. II > I > III
3. I > III > II
4. I > II > III

Clemmensen reduction of a ketone is carried out in the presence of which of the following?

1. Glycol with KOH
2. Zn-Hg with HCl
3. LiAlH4
4. H2 and Pt as catalyst

Following compounds are given (i) CH3CH2OH (ii) CH3COCH3 (iii) CH3- CH3 |CHOH (iv) CH3OH Which of the above compound(s), on being warmed with iodine solution and NaOH, will give iodoform?

1. (i), (iii) and (iv)
2. Only (ii)
3. (i), (ii) and (iii)
4. (i) and (ii)

Which one of the following compounds will be most readily dehydrated?

1. [figure]
2. [figure]
3. [figure]
4. [figure]

In a set of reactions, ethylbenzene yielded a product D. [figure] D would be

1. [figure]
2. [figure]
3. [figure]
4. [figure]

Which of the following reactions will not result in the formation of carbon-carbon bonds?

1. Reimer-Tiemann reaction
2. Cannizzaro reaction
3. Wurtz reaction
4. Friedel-Crafts acylation