Question

6. What is the valency of :
(a) fluorine in CaF2
(b)sulphurinSF6
(C)phosphorusinPH3.
(d)carbon in CH4​

Answer 1

Answer:

1. valency of flourine is 1

2. valency of sulphur is 6

3. valency of phosphorus is 3

4. valency of carbon is 4 ..

Hope it helps !!!!

Answer 2

Answer:

The chemical formula can be represent by criss cross method., where we exchange the valency

1. Fluorine ---> Valency = 1

2. Sulphur -----> Valency = 6

3. Phosphorus -----> Valency = 3,5 (here 3)

4. Carbon ----> Valency = 4 (tetravalency)