Question

7. State the variable valencies of the following elements and give their names.
[The first one have been done for you]
a] Cu [Ans: Cul+ - Copper [I] i.e. cuprous; Cu2+ - Copper [II] i.e. cupric]
b] Ag c] Hg d] Fe e] Pb
h] Pt i] Au
f] Sn
g] Mn​

Answer 1

Answer:

b) Ag1+(argentous), Ag2+(Argentic)

c)Hg1+(mercurous),Hg2+(mercuric)

d)Fe2+(ferrous), Fe3+(ferric)

e)Pb2+(plumbous),Pb4+(plumbic)

f)Sn2+(stannous),Sn4+(stannic)

g)Mn2+(manganous),Mn4+(manganic)

h)Pt2+(plantinous),Pt4+ (platannic)

i) Au1+(Aurous), Au3+(Auric)

Answer 2

Answer:

hope it helps.............