The oxide of a metal (R) can be reduced by the metal (P) and metal (R) can reduce the…
CHEMISTRY · Single correct · CBSE · Chemistry · Metals and Non-metals · Metals and Non-metals
Problem
The oxide of a metal (R) can be reduced by the metal (P) and metal (R) can reduce the oxide of metal (Q). Then the decreasing order of the reactivity of metal (P), (Q) and (R) with oxygen is:
(1) P>Q>R
(2) P>R>Q
(3) R>P>Q
(4) Q>P>R