The correct option is D Silver nitrate
On the basis of positive and negative radicals, salts can be categorized into family.
If two salts have same positive or negative radicals, they are called to be of same family.
All salts having sulphate ions as negative radical belong to the sulphate family. For example: sodium sulphate, potassium sulphate, magnesium sulphate, aluminium sulphate, copper sulphate, etc.