For first question ,answer is option A.
Due to hyper conjugation and mesomeric effect.
Thanks I got it . pls see other questions
Answer of 2nd question is C
And answer of 3rd is C
Yeah true. Pls provide explanation for 2nd question. And for 3rd question just tell me why forth one i.e NMe2 one is can't used for Friedel Craft
Not getting what you want to say.
See I have done this question on the basis of options. 4th will be the answer but not given in the option.
See attack on benzene is generally not possible. It will be possible when there is a electron withdrawing group attach to the ring .
Ok I got it. Thanks Sir