Q. 154.8( 4 Votes )
If an element X has a valency of 3, then find out the formula of its chloride and sulphide.
It is given that element X has a valency of 3.
Formula for chloride of element X:
Thus, the formula for chloride of element X is MCl3.
Formula for sulphide of element X:
Thus, the formula for sulphide of element X is M2S3.
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