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Valency of silver in Ag₂S is –
A. 1
B. 2
C. 0
D. 3

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Detailed Solution

The valency of silver in Ag₂S is 1.

Step 1. Write the Compound Formula

The given compound is Silver Sulphide (Ag₂S).

Step 2: Recall Sulphur’s Valency

Sulphur (S) usually shows a valency of –2.

Step 3: Balance the Charges

In Ag₂S, there are 2 silver (Ag) atoms and 1 sulphur atom.
Let the valency of silver = x.

2x+(−2)=0

2x−2=0

2x=2⇒x=1

Correct Option: A. 1

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