Aldehydes, Ketones and Carboxylic Acids · Question 12

The unsaturated ether on acidic hydrolysis produces carbonyl compounds as shown below :- [figure] Based on this, predict the solution/reagent that will help to distinguish "P" and "Q" obtained in the following reaction :- CH3-CH=CH-O- CH3 |C=CH2 [ ]H3O P + Q

1. Saturated NaHSO3 solution
2. Fehling solution
3. Lucas reagent
4. 2,4-DNP reagent

Given below are two statements : In the light of the above statements, choose the correct answer from the options given below

1. Statement I is true but Statement II is false
2. Both Statement I and Statement II are false
3. Both Statement I and Statement II are true
4. Statement I is false but Statement II is true

Grignard reagent RMgBr (P) reacts with water and forms a gas (Q). One gram of Q occupies 1.4 dm3 at STP. (P) on reaction with dry ice in dry ether followed by H3O+ forms a compound (Z). 0.1 mole of (Z) will weigh g. (Nearest integer)

'x' is the product which is obtained from propanenitrile and stannous chloride in the presence of hydrochloric acid followed by hydrolysis. 'y' is the product which is obtained from the but-2-ene by the ozonolysis followed by hydrolysis. From the following, which product is not obtained when one mole of 'x' and one mole of 'y' react with each other in the presence of alkali followed by heating?

1. 2-Methylpent-2-enal
2. 2-Methylbut-2-enal
3. 3-Methylbut-2-enal
4. Pent-2-enal

[figure] The correct sequence of reagents for the above conversion of X to Y is :

1. (i) NaOH(aq), (ii) Jones reagent, (iii) H3O+
2. (i) NaOEt, (ii) B2H6/H2O2, (iii) Jones reagent
3. (i) Jones reagent, (ii) NaOEt, (iii) Hot KMnO4/KOH
4. (i) B2H6/H2O2, (ii) NaOEt, (iii) Jones reagent

Which of the following statements are TRUE about Haloform reaction? Choose the correct answer from the options given below :

1. A, B & C Only
2. A, C & E Only
3. B, D & E Only
4. A & C Only

Iodoform test can differentiate between Choose the correct answer from the options given below :

1. A, B & E Only
2. A & D Only
3. A & E Only
4. B, C & E Only

Consider the following reaction of benzene. [figure] In compound (Q), the percentage of oxygen is %. (Nearest integer)

Match the LIST-I with LIST-II Choose the correct answer from the options given below :

1. A-IV, B-III, C-II, D-I
2. A-III, B-I, C-IV, D-II
3. A-II, B-I, C-IV, D-III
4. A-III, B-IV, C-I, D-II

The compound A, C8H8O2 reacts with acetophenone to form a single product via cross-Aldol condensation. The compound A on reaction with conc. NaOH forms a substituted benzyl alcohol as one of the two products. The compound A is :

1. 2-hydroxy acetophenone
2. 4-hydroxy benzaldehyde
3. 4-methyl benzoic acid
4. 4-methoxy benzaldehyde