Question

An element X is trivalent and another element Y divalent. The compound formed by

these two elements will be

a) X2Y

b)X2Y3

c)X3 Y2

d) XY3​

Answer 1

Answer:

xy2

Explanation:

x has valency 4 and Y has valency 2 . so the ratio of valencies of X and Y has 2:1