Hybridisation of N in pyrrole is
1. sp
2. sp2
3. sp3
4. sp3d
The most reactive of these compounds towards sulphonation is
1. Toluene 2. Chlorobenzene
3. Nitrobenzene 4. m-Xylene
In the above compound, arrange the nitrogen according to their decreasing basic strength.
1. 1>2>3>4
2. 4>3>1>2
3. 2>4>1>3
4. 3>4>1>2
What is the correct stability order for the following species?
I. | ![]() |
II. | ![]() |
III. | ![]() |
IV. | ![]() |
1. | II>IV>I>III | 2. | II>I>III>IV |
3. | II>I>IV>III | 4. | I>III>II>IV |
Which of the following carbanions is the most stable?
1. | 2. | ||
3. | 4. |
How many geometrical isomers are possible of the following?
CH3-CH=CH-CH=CH-CH3
1. 2 2. 3
3. 4 4. 6
Most stable radical is
1.
2.
3.
4.
1. | ![]() |
2. | ![]() |
3. | ![]() |
4. | ![]() |
Which of the following is the most stable carbonium ion?
1.
2.
3.
4.
1. | ![]() |
2. | ![]() |
3. | ![]() |
4. | ![]() |
The stability of the given compounds, in descending order, is:
A. | ![]() |
B. | ![]() |
C. | ![]() |
D. | ![]() |
1. A > B > C > D
2. D > B > C > A
3. D > C > B > A
4. A > B > D > C