Question

In which of the following are the symbol and name for the ion given correctly?

A. Fe2+: ferrous ion; Fe3+: ferric ion
B. Sn2+: stannic ion; Sn4+: stannous ion
C. Co2+: cobalt(II) ion; Co3+: cobaltous ion
D. Pb2+: lead ion; Pb4+: lead(IV) ion

Answer 1

Fe2+:ferrous ion; fe3+ ferric ion are the one which are correctly named(Answer A) Sn2+ are called stannous ion while Sn4+ are known as stannic ions. Pb2+ are called lead (II) ions while Pb4+ are known as lead (IV) ion Co2+ are known was cobalt (II) ions while Co3+ are known as cobalt(IIi) ion.