Haloalkanes and Haloarenes · Question 1

In the following reaction sequence, X and Z, respectively are : CH3CH2CH2-OH + PCl5 CH3CH2CH2Cl + X + HCl [figure]

1. X = POCl3; Z = [figure]
2. X = POCl3; Z = CH3CH2CH2-Br
3. X = H3PO3; Z = [figure]
4. X = H3PO3; Z = CH3CH2CH2-Br

One of the products formed in the following reaction is [figure]

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

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). In the light of the above statements, choose the correct answer from the options given below:

1. A is true but R is false
2. A is false but R is true
3. Both A and R are true and R is the correct explanation of A
4. Both A and R are true but R is not the correct explanation of A

The compound that will undergo SN1 reaction with the fastest rate is

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

Major products A and B formed in the following reaction sequence, are [figure]

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

The major product C in the below mentioned reaction is: CH3CH2CH2Br [ ]alc. KOH A HBr B [ ]aq. KOH C

1. Propan-1-ol
2. Propan-2-ol
3. Propane
4. Propyne

The following reaction method [figure] is not suitable for the preparation of the corresponding haloarene products, due to high reactivity of halogen, when X is :

1. F
2. I
3. Cl
4. Br

The given compound [figure] is an example of .

1. aryl halide
2. allylic halide
3. vinylic halide
4. benzylic halide

Identify the final product [D] obtained in the following sequence of reactions. [figure]

1. [figure]
2. C4H10
3. HC C Na
4. [figure]

Which of the following sequence of reactions is suitable to synthesize chlorobenzene?

1. Benzene, Cl2, anhydrous FeCl3
2. Phenol, NaNO2, HCl, CuCl
3. [figure] , HCl
4. [figure] , HCl, Heating