Ylid Synthesis

Q. In the given transformation, which of the following is the most appropriate reagent?

1. $NaB{H}_4$
2. $N{H}_{2}N{H}_2{,}^{⊝}OH$
3. $Na,Liq.N{H}_3$
4. $Zn-Hg/HCl$

Q.

Observe this compound:

Starting from benzylbromide, which sequence helps synthesize the given (above) compound ?

1: Reaction with $(Ph{)}_{3}P:$
2: Reaction with a super strong base
3: Reaction with cylohexanone

1. 1; 2; 3

2. 2; 1; 3

3. 3; 2; 1

4. 2; 3; 1

Q. In the following reaction sequence, the correct structure (s) of X is (are):

1. 
2. 
3. 
4. 

Q. The product of acid catalysed hydration of $2$-phenylpropene is

1. $3$-Phenyl-$2$-propanol
2. $1$-phenyl-$2$-propanol
3. $2$-phenyl-$2$-propanol
4. $2$-phenyl-$1$-propanol

Q.

Observe this compound:

Starting from benzylbromide, which sequence helps synthesize the given (above) compound ?

1: Reaction with $(Ph{)}_{3}P:$
2: Reaction with a super strong base
3: Reaction with cylohexanone

1. 2; 1; 3

2. 3; 2; 1

3. 1; 2; 3

4. 2; 3; 1

Q. Which of the following reagents on treatment with benzenamine in basic medium produces phenyl isocyanide?

1. ${CCl}_4$
2. Hexachloroethane
3. Methylene dichloride
4. Trichloromethane

Q.

Observe this compound:

Starting from benzylbromide, which sequence helps synthesize the given (above) compound ?

1: Reaction with $(Ph{)}_{3}P:$
2: Reaction with a super strong base
3: Reaction with cylohexanone

1. 1; 2; 3

2. 2; 1; 3

3. 3; 2; 1

4. 2; 3; 1

Q. In the given transformation, which of the following is the most appropriate reagent?

1. $NaB{H}_4$
2. $N{H}_{2}N{H}_2{,}^{⊝}OH$
3. $Zn-Hg/HCl$
4. $Na,Liq.N{H}_3$

Q.

Observe this compound:

Starting from benzylbromide, which sequence helps synthesize the given (above) compound ?

1: Reaction with $(Ph{)}_{3}P:$
2: Reaction with a super strong base
3: Reaction with cylohexanone

1. 1; 2; 3

2. 2; 1; 3

3. 3; 2; 1

4. 2; 3; 1