Benzamide POCl3 Benzonitrile Reaction

Q. The order or reactivity of phenyl magnesium bromide with the following compounds is:

1. (I) > (III)> (II)
2. (II)> (III) > (I)
3. (II) > (I) > (III)
4. all react with the same rate

Q. The Hinsberg reagent is :

1. 
2. 
3. 
4. 

Q. Mixture of Ph-CHO & HCHO is treated with NaOH then Cannizzaro reaction involves:

1. Oxidation of HCHO
2. Reduction of HCHO
3. Oxidation of Ph- CHO
4. Reduction of Ph-CHO

Q. The product in the following reaction is:
$Ph-Cl+Fe/{Br}_2⟶$ Product

1. o-bromo-chloro benzene
2. p-bromo-chloro benzene
3. 2, 4, 6-tribromo chloro benzene
4. both of the above

Q.

1. $Zn+N{H}_{4}Cl$
2. $Sn+HCl$
3. $Zn+KOH$
4. $LiAl{H}_4$

Q. Which of the followings is/are true regarding phenol?

1. It turns pink an exposure to air
2. It is less reactive than anisole in aromatic electrophilic substitution reaction
3. It is more reactive than aniline in an aromatic electrophilic substitution reaction
4. Acetylation of phenol decreases its reactivity in aromatic electrophilic substitution reaction

Q. The reaction of benzaldehyde with $PhMgBr/H_{2}O$ followed by oxidation with $Cr{O}_{2}C{l}_2$ will give:

1. benzophenone
2. 3-Phenylpropan-1-ol
3. benzoic acid
4. $\alpha$-hydroxyphenylacetic acid

Q. What are X and Y in the reaction?
$3B_2{H}_6+6X\to 3\left[B{H}_2\right(X{)}_2{]}^{+}[B{H}_4{]}^{-}\stackrel{Heat}{\to }Y+12H_2$

1. $X=CO,Y=B{H}_{3}CO$
2. $X=N{H}_3,Y=B_3{N}_3{H}_6$
3. $X=NaH,Y=NaF$
4. $X=N{F}_3,Y=B_3{N}_3$

Q. Benzamide on reaction with $POC{l}_3$ gives
(IIT-JEE, 2004)

1. aniline
2. chlorobenzene
3. benzylamine
4. benzonitrile