a
XY
b
XY2
c
X2Y
d
X4Y6
Explanation
Correct Option
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fribaselectricalengineering
7 years ago
X = 2, 8, 4, with valency electron 4,
Y = 2, 8, 6 with valency electron 2 (8-6) Note that valency is the the combining power of elements
When element combined, they do so by exchanging their valencies. X2Y4
dividing by 2 we have XY2 which isthe correct answer


