Aldehydes, Ketones and Carboxylic Acids · Question 15

'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

An organic compound "P" of molecular formula C6H12O3 gives positive iodoform test but negative Tollens' test. When "P" is treated with dilute acid, it produces "Q". "Q" gives positive Tollens' test and also iodoform test. The structure of "P" is :

1. H- O \|C-CH2-CH2- OCH3 |CH-OCH3
2. CH3- O \|C- OCH3 |CH- OCH3 |CH2
3. CH3- O \|C-CH2- OCH3 |CH-OCH3
4. CH3- O \|C- OCH3 | OCH3 |C-CH3

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

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

A [(ii) H3O+](i) NaOH B [(ii) H2SO4, ](i) EtOH C 'A' shows positive Lassaigne's test for N and its molar mass is 121. 'B' gives effervescence with aq NaHCO3. 'C' gives fruity smell. Identify A, B and C from the following.

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