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A metal X reacts with water to produce a...

A metal X reacts with water to produce a highly combustible gas Y, and a solution Z. another metal P reacts with Z to give the same gas Y. X,Y,Z and P respectively are

A

`Zn,H_(2),Zn(OH)_(2),Al`

B

`Na,H_(2),NaOH,Zn`

C

`K,H_(2),KOH,Al`

D

`Li,H_(2),LiOH,K`

Text Solution

Verified by Experts

The correct Answer is:
B
`underset((X))(Na)+H_(2)O to underset((Z))(NaOH)+underset((Y))(H_(2))`
`underset((Z))(NaOH)+underset((P))(Zn) to Na_(2)ZnO_(2) +underset((Y))(H_(2))`
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