Question

What happens in a displacement reaction?

(a) A more reactive element replaces a less reactive element.
(b) A less reactive element replaces a more reactive element.
(c) An element replaces one which is equally reactive.
(d) Any element can replace any other element with no relation to reactivity.

Answer 1

(a) A more reactive element replaces a less reactive element.
In a displacement reaction, a more reactive element replaces a less reactive element from its compound.