Question

Three elements X Y and Z do not show variable valency and forms two compounds shown below.
2. ZY:
What can you say about the elements?
(A) X and Z have same valency
(B) If X is a metal then Z is a non-metal
(C) IfXis a metal then Z is a metal
(D) Y cannot form compounds like this​

Answer 1

Answer:

d option

Explanation:

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