Answer to Question #145373 in General Chemistry for Khushi Vakta

Question

Which of the following pairs is incorrect?
Co(CrO4)3, cobalt (III) chromate
Sn(SO3)2, tin (IV) sulfite
PbBr2, lead (II) bromide
F2Cl4, difluorine tetrachloride
SeO3, selenium trioxide

Answer 1

Co(CrO4)3, cobalt (III) chromate

Incorrect

Cause, Formula of Cobalt(III) Chromate

= Co2(CrO4)3

Sn(SO3)2, tin (IV) sulfite

Correct

Cause, the actual formula of tin (IV) sulfite = Sn(SO3)2

PbBr2, lead (II) bromide

Correct

Cause, the actual formula of lead (II) bromide = PbBr2

F2Cl4, difluorine tetrachloride

Incorrect

Cause, this compound doesn't exist

SeO3, selenium trioxide

Correct

Cause, the actual formula of selenium trioxide = SeO3