Which of the following reactions is know...

Which of the following reactions is known as Uyeno's method for preparation of hydrogen?

A

`Zn+2NaOH rarr Na_(2)ZnO_(2)+H_(2) uarr`

B

`Mg+H_(2)SO_(4(dil.)) rarr MgSO_(4)+H_(2) uarr`

C

`NaH+H_(2)O rarr NaOH +H_(2) uarr`

D

`2Al+2KOH+2H_(2)O rarr 2KAlO_(2)+3H_(2) uarr`

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The correct Answer is:

D

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