The starting substance for the preparation of CH3I is
If all the following 4 compounds were sold at the same price , which would be cheapest for preparing an antifreeze solution for a car radiator?
(A) CH3OH
(B) C2H5OH
(C) C2H4(OH)2
(D) C3H5(OH)3
Ethylene may be obtained by dehydration of which of the following with concentrated H2SO4 at 160−170∘C?
The substance which cannot be used for preparing H2O2 solution is