Which of the following two combinations are correct?
(A) i and iii
(B) i and iv
(C) ii and iii
(D) ii and iv
This is the reaction of Metal with Acid -
Most metals react with Acids, to evolve gas. But some metals are too unreactive.
From our options
- Copper does not react with Acids
- Iron reacts with Acids to liberate Hydrogen gas
- Magnesium reacts with Acids to liberate Hydrogen gas
reacts with Acids to liberate Hydrogen gas
Thus, options (ii) and (iv) are correct.
So, the correct answer is (d)