The order of leaving group ability is:
All bonds in benzene are equal due to?
'C−C' bond length in benzene lies between single and double bond.The reason is
Which of the following is/are true?
Conjugated electrons migrate from one conjugate position to another.
Conjugated electrons are delocalised electrons.
Conjugation makes a compound unstable.
None of these.
Positive charge, Conjugation
Negative charge, Conjugation
Lone pair, cConjugation
Which of the following is in conjugation ?
- E, F and G are resonance structures
- E, F and E, G are tautomers
- F and G are geometrical isomers
- F and G are chain isomers
- Migration of proton
- Delocalisation of pi electrons
- Migration of H-atom
- Delocalisation of sigma electrons
- Increases stability
- Decreases reactivity
- Increases reactivity
- Both A & B
Pyridine has 6 bonding ( π ) and 2 nonbonding electrons, which statement is true regarding resonance in pyridine?
Any of the 6 electrons
All of these electrons are involved in resonance
4π and 2 non-bonding electrons are involved in resonance
Only 6π electrons are involved in resonance