Question

A metal X in the form of turnings reacted with hot concentrated

dibasic acid, H2Y and produced deep blue solution of salt XY. When a

wire metal Z is put in the solution of XY, the deep blue colour was slowly

discharged and colourless, ZY salt solution was formed and X were

generated. Explain the observation.​

Answer 1

Explanation:

X + H2Y = XY + H2 (Deep Blue)

When Z is placed in XY solution :

XY + Z = ZY + X (Colourless)

This shows that Z is more reactive than X and X is more reactive than hydrogen .

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