The reagents used for the following conversion is/are-
1. | (i) NaNH2 , (ii) CH3CHO |
2. | (i) NaNH2 , (ii) CH3-CH2-CH2-Br |
3. | (i) KOH, (ii) CH3-CH2-CH2-Br |
4. | (i) KOH, (ii) |
Which alkyne will give 3-ethylhexane on catalytic hydrogenation?
1.
2.
3.
4. All of the above
; Product (B) is :
1.
2.
3.
4. Br-(CH2)12-CH=CH
Ph - C Major product of the reaction is:
(a)
(b)
(c) Ph - C C-OMe
(d)
To carry out above conversion, (A) and (B) respectively, are :
(1) NaNH2, Cl - CH2ーCH2 - CH2 - Br
(2) NaNH2, CH2-CH2-CH2-Br
(3) NaNH2, l-CH2ーCH2-CH2-Br
(4) NaNH2, I-CH2-CH2-CH2-I
H-CC-Ph Product; Product obtained in this reaction is:
(a)
(b)
(c) Ph-CC-I
(d) I-CC-H
A compound that gives an optically inactive compound on treatment with H2(2 moles)/ Pt is-
1. 3-Methyl-1-pentyne
2. 4-Methyl-1-hexyne
3. 3-Methyl-1-heptyne
4. None of the above
Compound (x) will be:
(a)
(b)
(c)
(d)
Which alkyne yields butanoic acid (CH3CH2CH2CO2H) as the only organic product on treatment with ozone followed by the hydrolysis?
1. 1-Butyne
2. 4-Octyne
3. 1-Pentyne
4. 2-Hexyne