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
The degree of unsaturation in compound (A) is -
(1) 7
(2) 8
(3) 9
(4) 10
For the given compounds, the correct order of rate of EASR (electrophilic aromatic substitution reaction) is:
1. | 2. | ||
3. | 4. |
1. c > b > a > d
2. c > d > a > b
3. a > b > c > d
4. c> d> b > a
The major product formed in the reaction is:
1.
2.
3.
4.
Rank the following reactions A, B and C in order of increasing rate,
(A)
(B)
(C)
1. B>A>C
2. B>C>A
3. A>B>C
4. A>C>B
Identify the position where E.A.S. can take place.
1. 1
2. 2
4. 3
4. 4
The rate of nitration will be:
(a) a>b>c
(b) a>c>b
(c) a=b=c
(d) c>a>b