Assertion : Ortho-nitrophenol is more acidic than meta -nitrophenol.
Reason : Ortho-nitrophenol has more -1-effect than meta -nitrophenol
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not correct explanation of A
(c) A is true but R is false
(d) A and R are false