Assertion: Vinyl halides do not undergo substitution reaction. Reason: Although the cation is stablished by loosely bound `pi`-electron cloud, it least occurs due to high bond strength.
A
Both assertin and reason are true and reason is the correct explanation of assertion.
B
Both assertion and reason are true but reaso is not correct explanation of assertion
Assertion: Aryl halides undergo nucleophilic substitution reactions with ease. Reason:The carbon halogen bond in aryl halides has partial double bonds character.
Assertion: Benzene does not give electrophilic substition reactions. Reason: Benzene ring has extraordinarily stability because of delocalisation of six pi -electrons of three double bonds.
Given below are two statements, one is labelled as Assertion (A) and other is labelled as Reason (R). Assertion (R) : Gabriel phthalimide synthesis cannot be used to prepare aromatic primary amines. Reason : Aryl halides do not undergo nucleophilic substitution reaction. In the light of the above statements, choose the correct answer from the options given below
Assertion: Aryl undergoes nucleophilic substitution with ease Reason The carbon halogen bond in aryl halides has partial double bond character .
Which of the following types of reactions occurs when a substituent has got a double bond with evenly distributed pi electron cloud?
