Q17Multiple choice
Which of the following statements is not correct?
- (i)Copper liberates hydrogen from acids.
- (ii)In its higher oxidation states, manganese forms stable compounds with oxygen and fluorine.
- (iii)Mn3+ and Co3+ are oxidising agents in aqueous solution.
- (iv)Ti2+ and Cr2+ are reducing agents in aqueous solution.
Show answer
(i) Copper liberates hydrogen from acids.