Principles Related to Practical Chemistry

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

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

Rf value for 2-methylpropene in a solvent system (Ethyl acetate + ether) is 0.42. 2-methylpropene is treated with dilute H2SO4 to give major organic product (X). Rf value for (X) in the same solvent system under identical condition will be:

1. 0.42
2. 0.82
3. 0.62
4. 0.12

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

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

Match List - I with List - II.

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

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

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

Method used for separation of mixture of products (B and C) obtained in the following reaction is [figure]

1. simple distillation
2. sublimation
3. fractional distillation
4. steam distillation

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

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

A mixture of 1 g each of chlorobenzene, aniline, and benzoic acid is dissolved in 50 mL ethyl acetate and placed in a separating funnel. 5 M NaOH (30 mL) was added in the same funnel. The funnel was shaken vigorously and then kept aside. The ethyl acetate layer in the funnel contains :

1. chlorobenzene and aniline
2. benzoic acid and aniline
3. benzoic acid
4. benzoic acid and chlorobenzene

Match 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)-(I), (B)-(II), (C)-(III), (D)-(IV)
3. (A)-(III), (B)-(IV), (C)-(I), (D)-(II)
4. (A)-(II), (B)-(I), (C)-(IV), (D)-(III)

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

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

The steam volatile compounds among the following are : Choose the correct answer from the options given below :

1. (B) and (D) Only
2. (A), (B) and (C) Only
3. (A) and (B) Only
4. (A) and (C) Only

The purification method based on the following physical transformation is : (X)Solid Heat (X)Vapour Cool (X)Solid

1. Extraction
2. Crystallization
3. Distillation
4. Sublimation