What is the decreasing order of the basicity of $1°, 2° \mathrm{and} 3°$ ethyl amines and ammonia in aqueous medium is:

1. ${\mathrm{NH}}_3>{\mathrm{C}}_2{\mathrm{H}}_5{\mathrm{NH}}_2>({\mathrm{C}}_2{\mathrm{H}}_5{)}_2\mathrm{NH}>({\mathrm{C}}_2{\mathrm{H}}_5{)}_3\mathrm{N}$

2. $({\mathrm{C}}_2{\mathrm{H}}_5{)}_3\mathrm{N}>({\mathrm{C}}_2{\mathrm{H}}_5{)}_2\mathrm{NH}>{\mathrm{C}}_2{\mathrm{H}}_5{\mathrm{NH}}_2>{\mathrm{NH}}_3$

3. $({\mathrm{C}}_2{\mathrm{H}}_5{)}_2\mathrm{NH}>{\mathrm{C}}_2{\mathrm{H}}_5{\mathrm{NH}}_2>({\mathrm{C}}_2{\mathrm{H}}_5{)}_3\mathrm{N}>{\mathrm{NH}}_3$

4. $({\mathrm{C}}_2{\mathrm{H}}_5{)}_2\mathrm{NH}>({\mathrm{C}}_2{\mathrm{H}}_5{)}_3\mathrm{N}>{\mathrm{C}}_2{\mathrm{H}}_5{\mathrm{NH}}_2>{\mathrm{NH}}_3$

On hydrolysis, what do primary nitroalkanes give?

1. RCOOH + NH₂OH

2. RCOOH

3. NH₂OH

4. RCOR

Primary, Secondary and tertiary amines may be separated by using-

1. Ethanoyl chloride

2. Diethyl oxalate

3. Thionyl chloride

4. None of the above

The product B in the below mentioned reaction is:
\(Acetamide \overset{P_2O_5}{\longrightarrow}A\ \overset{4H}{\longrightarrow}\ B\)

1. CH₃NH₂                              

2. C₂H₅NH₂

3. CH₃CN                                   

4. CH₃COONH₄

The final product C, obtained in this reaction

$\stackrel{{\mathrm{Ac}}_2\mathrm{O}}{\to }$A$\underset{{\mathrm{CH}}_2\mathrm{COOH}}{\overset{{\mathrm{Br}}_2}{\to }}$B$\underset{{\mathrm{H}}^{+}}{\overset{{\mathrm{H}}_2\mathrm{O}}{\to }}$C

would be

1.                  

2.  

3.                  

4.  

Intermediates formed during the reaction of RCONH₂ with Br₂ and KOH are                                

1. RCONHBr and RNCO

2. RNHCOBr and RNCO

3. RNHBr and RCONHBr

4. RCONBr₂

Z in the below reaction sequence will be:
\(CH_3CH_2Cl \)\(\xrightarrow[]{NaCN}\ X\ \)\(\xrightarrow[]{Ni/H_2}\ Y \ \)\(\xrightarrow{Ac_2O}\ Z\)
1. \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{NHCOCH}_3 \)
2. \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{NH}_2 \)
3. \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{CONHCH}_3 \)
4. \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{CONHCOCH}_3\)

An organic compound A on reduction gives compound B which on reaction with chloroform and potassium hydroxide forms C. The compound C on catalytic reduction gives N-methylaniline. The compound A is                                                               

1. Nitrobenzene

2. Nitromethane

3. Methylamine

4. Aniline

The best reagent for converting, 2-phenylpropanamide into 1- phenylethanamine is ____.

1.  excess ${\mathrm{H}}_2$/Pt

2.  NaOH/${\mathrm{Br}}_2$

3.  ${\mathrm{NaBH}}_4$/methanol

4.  ${\mathrm{LiAlH}}_4$/ether

Match the reactions given in Column I with the statements given in Column II.

                 Column I                         Column II

(i) Ammonolysis                             (a) Amine with lesser number of carbon atoms

(ii) Gabriel phthalimide synthesis     (b) Detection test for primary amines.

(iii) Hoffmann Bromamide reaction   (c) Reaction of phthalimide with KOH and R—X

(iv) Carbylamine reaction                (d) Reaction of alkyl halides with ${\mathrm{NH}}_3$

1. (i) → (d) (ii) → (c) (iii) → (a) (iv) → (b)

2. (i) → (c) (ii) → (d) (iii) → (a) (iv) → (b)

3. (i) → (b) (ii) → (a) (iii) → (d) (iv) → (c)

4. (i) → (a) (ii) → (c) (iii) → (d) (iv) → (b)