If calcium salt of anion has formula Ca3x2. What is the valency of X ? Write the formula of:
i) Sodium salt of X
ii) Aluminium salt of X
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If calcium salt of anion has formula Ca3x2. What is the valency of X ? Write the formula of:
i) Sodium salt of X
ii) Aluminium salt of X
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Answer:
-3, i) Na3X, ii) AlX
Explanation:
Ca has a valency of +2
Ca3 = 3*(+2) = +6
To balance the charges, valency of X2 must be -6
Thus,
X2 = -6
X = -3
Thus, valency of X = -3
i) Na3X (Na has a valency of +1)
ii) AlX (Al has a valency of +3)
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