A nitrogeneous substance X is treated with HNO₂ and the product so formed is further treated with NaOH solution, which produces blue colouration. X can be

1. CH₃CH₂NH₂

2 CH₃CH₂NO₂

3. CH₃CH₂ONO

4 (CH₃)₂CHNO₂

The compound which reacts fastest with Lucas reagent at room temperature is:
1. Butan-1-ol
2. Butan-2-ol
3. 2-methylpropan-1-ol
4. 2-methylpropan-2-ol

An amine is reacted with benzene sulphonyl chloride then a solid compound is formed which is insoluble in alkali. The amine is:

1. CH₃-CH₂-NH₂

2. CH₃-NH-CH₂-CH₃

3. (CH₃)₃N

4. C₆H₅-NH₂

A positive carbylamine test is shown by which one of the following?
1. N, N-diethyl aniline
2. N-methyl propyl amine
3. N, N-diethyl butyl amine
4. 2, 4-dimethyl aniline

Victor Meyer Test is used for the distinguished of 1$°$, 2$°$ and 3$°\; :$

1. Alcohols

2. Alkyl halides

3. Nitro Compounds

4. All of these

Which of the following gives the fastest Lucas test?

1.		2.
3.		4.

The reaction, ${\mathrm{CH}}_2=\mathrm{CHCHO}\stackrel{\mathrm{HX}}{\to }\mathrm{gives}:$

1. CH₃CHXCHO

2. CH₂XCHCHO

3. CH₂=CHCHX₂

4. None of these

An unknown compound A has a molecular formula C₄H₆. When A is treated with excess of Br₂ a new substance B with formula C₄H₆Br₄ is formed. A forms a white ppt. with ammoniacal silver nitrate solution. A may be-

1. But-1-yne

2. But-2-yne

3. But-1-ene

4. But-2-ene

The appropriate reagent for the following transformation,

  is :

1. Zn(Hg),HCl

2. NH₂NH₂, OH^-

3. H₂/Ni

4. NaBH₄

The reduction of an alkyne to alkene using Lindlar's catalyst results into:

1. Cis-addition of hydrogen atoms.

2. Trans-addition of hydrogen atoms.

3. A mixture obtained by cis- and trans-additions of hydrogen which are in equilibrium with each other.

4. A mixture obtained by cis- and trans-additions of hydrogen atoms which are not in equilibrium with each other.