Identify (X) in the sequence :

${\mathrm{C}}_3{\mathrm{H}}_8\mathrm{O} \left(\mathrm{X}\right) \underset{{\mathrm{H}}_2{\mathrm{SO}}_4}{\overset{{\mathrm{K}}_2{\mathrm{Cr}}_2{\mathrm{O}}_7}{\to }} {\mathrm{C}}_3{\mathrm{H}}_6\mathrm{O} \underset{\mathrm{Warm}}{\overset{{\mathrm{I}}_2 +\hspace{0.17em}\mathrm{NaOH}}{\to }} {\mathrm{CHI}}_3$

1. CH₃-CH₂-CH₂OH

2. ${\mathrm{CH}}_3-\mathrm{CH}-{\mathrm{CH}}_3$
$|$
$\mathrm{OH}$

3. CH₃-O-CH₂-CH₃

4. CH₃-CH₂-CHO

In order to accomplish the following conversion, what reagent and conditions would be required?

1. Cold sodium hydroxide

2. Hot conc. sodium hydroxide

3. Potassium tertiary butoxide and heat

4. Hot water

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

Nitrobenzene on electrolytic reduction in a strongly acidic medium gives:

1. Aniline         
2. p-Aminophenol
3. m-Nitroaniline    
4. Nitrosobenzene

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

An organic compound X on treatment with acidified K₂Cr₂O₇, gives compound Y which reacts with I₂, and NaOH to form CHI₃. The compound X can be-

1. CH₃OH

2. CH₃CHO 

3. CH₃COCH₃

4. CH₃CH(OH)CH₃

Which of the following gives the fastest Lucas test?

1.	CH2 = CH-CH2OH	2.	C6H5 - CH2OH
3.		4.

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

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