1.

Zinc liberates hydrogen gas when reacted with dilute hydrochloric acid, whereas copper does not. Explain, why?

Answer»

Solution :Zinc in above HYDROGEN whereas COPPER is below hydrogen in the activity series of metals. That is why zinc displaces hydrogen from dilute hydrochloric acid, while copper does not.
`Zn+HClrarrZnCl_(2)+H_(2)`
`Cu+HClrarr` No reaction


Discussion

No Comment Found