Consider the following reaction:-
A and B are isomeric compounds. Additionally, A is a monochloro derivative. These two can be differentiated easily by using:
1. AgN(aq)
2.
3. Conc.HN/
4. NaCl(aq)
The main product A and B in the above mentioned reaction are respectively-
1.
2.
3.
4.
Which of the following statement(s) is/are correct about the elimination reaction of 2-Bromopentane to form pent-2-ene:
(a) -Elimination reaction
(b) Follows Zaitsev rule
(c) Dehydrohalogenation reaction
(d) Dehydration reaction
1. | (a), (c), (d) | 2. | (b), (c), (d) |
3. | (a), (b), (d) | 4. | (a), (b), (c) |
Which of the following alkane cannot be made in good yield by Wurtz reaction?
1. | 2,3-Dimethylbutane | 2. | n-Heptane |
3. | n-Butane | 4. | n-Hexane |
An alkene on ozonolysis gives methanal as one of the products. Its structure is:
1. | 2. | ||
3. | 4. |
Reactivity of chlorine and bromine towards methane at 275 differs by a factor nearly
1.
2.
3.
4.
An organic molecule necessarily shows optical activity if it:
1. Contains asymmetric carbon atoms
2. Is non-planar
3. Is non-superimposable on its mirror image
4. Is superimposable on its mirror image
Acetylene and HCHO reaction to the presence of copper acetylide catalyst to form
1. 2-Butyne-1,4-diol
2. But-2-yne-1,2-diol
3. But-1-yne-1,4-diol
4. None of these
On addition of HBr to propene in the absence of peroxides, the first step involves the addition of:
1. H+
2. Br-
3. H
4. Br
When ethyl bromide and n-propyl bromide is allowed
to react with sodium, in ether, they form
(1) mixture of four alkanes
(2) mixture of three alkanes
(3) mixture of two alkanes
(4) single alkane