1.

How is dihydrogen prepared from water by usinga reducing agent?

Answer»

Solution :Dihydrogen is prepared from WATER by the action of REACTIVE metal like Na or K which is a strong REDUCING agent due to low ionisation enthalpy.
`2Na+2H_(2)O to 2NaOH+H_(2)`
`2K+2H_(2)O to 2KOH+H_(2)`


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