The formula of a compound is X3Y. The valencies of elements X and Y will be respectively :
(a) 1 and 3 (b) 3 and 1 (c) 2 and 3 (d) 3 and 2
Correct Answer: (a) 1 and 3
Explanation: The formula of a compound is X3Y. The valencies of elements X and Y will be 1 and 3 respectively.
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