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,
(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.
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 ABC
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.
The structure of compound D would be:
1. CH3CH2CH2NH2
2. CH3CH2CONH2
3. CH3CH2NHCH3
4. CH3CH2NH2