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The appropriate reagent for the following transformation,
is :
1. Zn(Hg),HCl
2. NH₂NH₂, OH^-
3. H₂/Ni
4. NaBH₄

Acetylene can be converted to higher alkyne using the following sequence of reactions:
(1) Na,RX
(2) RMg X,R X
(3) either of these two
(4) none of these

The product formed during the reaction,
$\mathrm{CH}\equiv \mathrm{CH}+\mathrm{NaOCl}\stackrel{0°\mathrm{C}}{\to }\mathrm{is}:$
$$
1. 1,2-Dichloroethane
2. 1,1-Dichloroethane
3. 1,2-Dichloroethene
4. 1,2-Dichloroethyne

What would be the product formed when 1-bromo-3-chlorocyclobutane reacts with two equivalents of metallic sodium in ether?
1. 
2. 
3. 
4. 
 
 

In following reaction, find out X and Y.
$\mathrm{In} \mathrm{the} \mathrm{reaction},$
$\mathrm{H}-\mathrm{C}\equiv \mathrm{C}-\mathrm{H} \underset{\left(\mathrm{ii}\right){\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{Br}}{\overset{\left(\mathrm{I}\right){\mathrm{NaNH}}_2/\mathrm{liq}.{\mathrm{NH}}_3}{\to }}\mathrm{X}$
$\mathrm{X}\underset{\left(\mathrm{ii}\right){\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{Br}}{\overset{\left(\mathrm{i}\right){\mathrm{NaNH}}_2/\mathrm{liq}.{\mathrm{NH}}_3}{\to }}{\mathrm{Y}}_{}^{}$
1. X=2-Butyne ; Y=3-Hexyne
2. X=2-Butyne ; Y=2-Hexyne
3. X=1-Butyne ; Y=2-Hexyne
4. X=1-Butyne ; Y=3-Hexyne

An organic compound X having molecular formula C₅H₁₀O yields phenyl hydrazone and
gives negative response to the iodoform test and Tollen's test. It produces n-pentane on
reduction. X could be:
1. Pentenal
2. 2-Pentanone
3. 3-Pentanone
4. n-Amyl alcohol

In the following sequence of reactions
 CH₃-Br $\stackrel{\mathrm{KCN}}{\to }$A$\stackrel{{\mathrm{H}}_3{\mathrm{O}}^{+}}{\to }$B$\underset{\mathrm{ether}}{\overset{{\mathrm{LiAlH}}_4}{\to }}$C
the end product C is:
1. Acetone
2. Methane
3. Acetaldehyde
4. Ethyl alcohol

What is the product obtained in the following reaction?


 

Aniline in a set of the following reactions yielded a coloured product 'Y'.
The structure of 'Y' would be

Consider the following reaction,

the product Z is:
1. CH₂=CH₂
2. CH₃CH₂-O-CH₂-CH₃
3. CH₃-CH₂-O-SO₃H
4. CH₃CH₂OH

Which of the compounds with molecular formula C₅H₁₀ yields acetone on ozonolysis?
1. 2-methyl-2-butene
2. 3-methyl-1-butene
3. cyclopentene
4. 2-methyl-1-butene

In a set of reactions, propanoic acid yielded a compound D.
${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{COOH}\stackrel{{\mathrm{SOCl}}_2}{\to } \mathrm{B}\stackrel{{\mathrm{NH}}_3}{\to } \mathrm{C}\underset{{\mathrm{Br}}_2}{\overset{\mathrm{KOH}}{\to }} \mathrm{D}$
The structure of compound D would be:
1. CH₃CH₂CH₂NH₂
2. CH₃CH₂CONH₂
3. CH₃CH₂NHCH₃
4. CH₃CH₂NH₂