C-05-Q033mediumsingle_mcq
In , active valency of Fe is 2 and highest is 3, so latent valency is —
In , active valency of Fe is 2 and highest is 3, so latent valency is —
- a0
- b1
- c2
- d3
In , active valency of Fe is 2 and highest is 3, so latent valency is —