Question

An element X has a valency of 3+
1. Write the formula of its phosphide
2. Write the formula of the carbonate
3. Write the formula of its nitrate
4. Write the formula of its Borates

Answer 1

Answer:

1 option is correct answer . because ar they following:

1. the formula of phosphide is p and valency is +3

2. the formula of the carbonate is co3 and valency is 1

3. the formula of nitrate is no3 and valency is 1

4. the formula of borates is no3 and valency is 1

HENCE THE RIGHT ANSWER IS PHOSPHIDE BECAUSE ITS VALENCY IS +3