Question

Name the insoluble salts which can be prepared by direct combination?

• A. Aluminium chloride
• B. Iron sulphide
• C. Iron(III) chloride
• D. Sodium Chloride

Answer 1

The correct option is B Iron sulphide

A direct combination reaction is the reaction between two elements (or two compounds) to form a single product. It can be represented as $X+Y\to XY$
Iron sulphide can be prepared by direct combination.
$Fe+S\to FeS$