Formation of Imines

Q. Phenyl magnesium bromide reacts with methanol to give

1. a mixture of toluene and Mg(OH)Br
2. a mixture of phenole and Mg(Me)Br
3. a mixture of anisole and Mg(OH)Br
4. a mixture of benzene and Mg(OMe)Br

Q. Compound A, $C_8{H}_{10}O$, is found to react with $NaOI$ (produced by reacting $Y$ with $NaOH)$ and yields a yellow precipitate with characteristic smell. $A$ and $Y$ are respectively:

1. 
2. 
3. 
4. 

Q. Trichloroacetaldehyde, ${\text{CCl}}_3\text{CHO}$ reacts with chlorobenzene in presence of sulphuric acid and produces

1. 
2. 
3. 
4. 

Q. Nitration of aniline in strong acidic medium also gives m-nitroaniline because:

1. In the absence of substituents, nitro group always goes to m-position.
2. Inspite of substituents, nitro group always goes to only m-position.
   
3. In electrophilic substitution reactions, amino group is meta directive.
   
4. In acidic (strong) medium aniline is present as anilinium ion

Q.

What is the reaction involved when aniline is converted into phenyl isocyanide?

Q. Formaldehyde reacts with ammonia to give

1. pyridine
2. formalin
3. hexamethylene tetra amine
4. formamide

Q. In the chemical reactions,

the compounds A and B respectively are :

1. Benzene Diazonium chloride and Benzonitrile
2. Nitrobenzene and Chlorobenzene
3. Phenol and Bromobenzene
4. Fluorobenzene and phenol

Q.

Complete Chemical Reaction:

${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{NO}}_2$ in the presence of $\mathrm{Fe}/\mathrm{HCl}$ gives

Q. The smallest ketone and its next homologue are reacted with $N{H}_{2}OH$ to form oxime.

1. Three different oximes are formed.
2. Two different oximes are formed.
3. All oximes are optically active.
4. Two oximes are optically active.

Q. Which one of the following is reduced with Zn/Hg and Hydrochloric acid to give the corresponding alkane ?

1. Acetamide
2. Acetic acid
3. Ethyl acid
4. Butan-2-one

Q. Consider the following sequence of reactions:
Major product [B] of the given reaction would be:

1. 
2. 
3. 
4. 

Q. Benzyl amine is ........ basic than aniline while ethyl amine is ...... basis than diethyl amine in gaseous phase.

1. More, less
2. Less, more
3. Less, less
4. More, more

Q. What is the major organic product obtained from the following reaction?

1. 
2. 
3. 
4. 

Q. Acid halide (except formyl chloride) reacts with excess of grignard reagent to form

1. secondary alcohol
2. tertiary alcohol
3. ketone
4. primary alcohol

Q. How to convert Methyl Amine (CH_3NH_2) to Methanol (CH_3OH)

Q. which of the following is most basic 1.Diphenylamine 2.Triphenyl amine 3.p-Nitroaniline 4.Benzylami

Q.

Benzene diazonium chloride forms orange red dye with:

1. Benzophenol

2. Resorcinol

3. Nitrophenol

4. Methanol

Q. Benzaldehyde reacts with ammonia to give

1. Benzoic acid
2. Benzamide
3. Hydrobenzamide
4. Urotropine

Q. Benzaldehyde reacts with aniline to give

1. Benzamide
2. Benzene diazonium chloride
3. Benzal aniline
4. Hydrobenzamide

Q.

Write the equations for the preparation of 1−iodobutane from

(i) 1-butanol

(ii) 1-chlorobutane

(iii) but-1-ene.

Q.

Can ${\mathrm{NaBH}}_4$ reduce imine?

Q. Ethyl amine can be prepared by the action of bromine and caustic potash on

1. Propionamide
2. Acetamide
3. Formamide
4. Methyl cyanide

Q.

A compound does not give a positive test with 2, 4-DNP. The compound is:

1. Acetone

2. Acetaldehyde

3. Methanol

4. Butan-2-one

Q. Which is the Claisen condensation product of ethyl propanoate ?

1. 
2. 
3. 
4. 

Q. Benzene diazonium chloride reacts with hypo-phosphorus acid to give

1. Phenol
2. cyanobenzene
3. Benzene
4. Chlorobenzene

Q. Match List-I with List-II.

List-I	List-II
$\left(a\right)\text{Benzene}\underset{\text{Anhyd.}AlC{l}_3/CuCl}{\overset{CO,HCl}{\to }}$	(i) Hell-Volhard-Zelinsky reaction
$\left(b\right)R-\stackrel{O}{\stackrel{||}{C}}-C{H}_3\stackrel{NaOX}{\to }$	(ii) Gattermann-Koch reaction
$\left(c\right)R-C{H}_2-OH$ $+R^{\prime }COOH$ $\stackrel{\text{Conc.}{H}_{2}S{O}_4}{\to }$	(iii) Haloform reaction
$\left(d\right)R-C{H}_{2}COOH$ $\underset{ii.H_{2}O}{\overset{i.X_2/RedP}{\to }}$	(iv) Esterification

Choose the correct answer from the options given below.

1. (a) - (ii), (b) - (iii), (c) - (iv), (d) - (i)
2. (a) - (iv), (b) - (i), (c) - (ii), (d) - (iii)
3. (a) - (iii), (b) - (ii), (c) - (i), (d) - (iv)
4. (a) - (i), (b) - (iv), (c) - (iii), (d) - (ii)

Q.

The smallest ketone and its next homologue are reacted with hydroxylamine to form oxime.

1. Three different oximes are formed

2. Two different oximes are formed

3. Two oximes are optically active

4. All oximes are optically active

Q. Complete the following reactions:
(i) $C{H}_{3}C{H}_{2}N{H}_2+CHC{l}_3+alc.KOH\to$
(ii) $C_6{H}_5{N}_2^{+}C{l}^{-}\underset{\text{(Room Temp.)}}{\overset{H_{2}O}{\to }}$

Q.

What happens when benzene diazonium chloride is treated with potassium cyanide in presence of Cu powder?

1. Acetonitrile

2. Benzonitrile

3. Benzophenone

4. Methyl isocyanide

Q.

When hydrochloric acid is treated with propene in presence of benzoyl peroxide then what is the result?