Which hydrocarbon is most acidic?
The most stable carbocation is
1.
2.
3.
4.
The aromatic compound is
Which alkene is most stable ?
1.
2.
3.
4.
In the above compound, the correct order of hydrogen as is
1. 1>2>3
2. 2>3>1
3. 2>1>3
4. 3>2>1
Consider the following resonating structures of HCOOH
The order of stability is
1. I>II>III>IV
2. IV>I>II>III
3. I>III>II>IV
4. II>I>III>IV
Which compound is most reactive towards electrophilic substitution reaction?
1. Phenol
2. Aniline
3. Methoxy benzene
4. Toulene
Consider the following carbocations
The correct order of stability is
1. II>III>I>IV
2. III>I>II>IV
3. III>I>IV>II
4. II>IV>I>III
The most stable free radical is
The double bond in the above-mentioned compound that accepts proton fastest is:
1. | A | 2. | B |
3. | C | 4. | D |
The correct order of abstraction of hydrogen towards homolytic fission is
1. 2>4>3>5>1
2. 4>2>5>3>1
3. 4>2>3>5>1
4. 4>3>2>5>1
In the decreasing order of bond length will be
1. I>II>III
2. II>III>I
3. III>II>I
4. II>I>III
Which alkene has smallest heat of hydrogenation ?
The compound is:
1. | ![]() |
2. | ![]() |
3. | ![]() |
4. | ![]() |
The hybridised state of C in is
1.
2.
3.
4.