Which of the following represent correct chemical formula? Name it.
Which of the following represent correct chemical formula? Name it.
(a) CaCl
(b) BiPO4
(c) NaSO4
(d) NaS
Ans. (b) In BiPO4; with ions are trivalent and hence this shows the correct chemical formula.
In option (a); Ca is bivalent while chlorine is monovalent. In options (c) and (d); Na is
monovalent while sulphate and Sulphur are bivalent.
