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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 A. Another metal P reacts with Z to give the same gas Y, Z, 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) (2NaOH)+ underset(P) (Zn) to Na_(2) ZnO _(2) + underset(Y) (H_(2))`
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