Ravi placed a zinc plate in a glass container having a blue coloured solution of a metal sulphate MSO4 for a considerable time. He found that the blue colour of solution got lighter and lighter, and finally the solution became colourless. A red-brown deposit was also formed on the zinc plate.(a) Which metal, zinc or M, occurs lower in the reactivity series?(b) Name the substance which forms colourless solution.

Ravi placed a zinc plate in a glass container having a blue coloured s

1.	Ravi placed a zinc plate in a glass container having a blue coloured solution of a metal sulphate MSO4 for a considerable time. He found that the blue colour of solution got lighter and lighter, and finally the solution became colourless. A red-brown deposit was also formed on the zinc plate.(a) Which metal, zinc or M, occurs lower in the reactivity series?(b) Name the substance which forms colourless solution.
Answer» Ravi placed a zinc plate in a glass container having a blue coloured solution of a metal sulphate MSO₄ for a considerable time. He found that the blue colour of solution got lighter and lighter, and finally the solution became colourless. A red-brown deposit was also formed on the zinc plate. (a) Which metal, zinc or M, occurs lower in the reactivity series? (b) Name the substance which forms colourless solution.