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Amongst the following the total number o...

Amongst the following the total number of elements, which produce `H_2` gas with sodium hydroxide is:
Zn, Al, Sn, Pb, P , Si

A

3

B

4

C

5

D

6

Text Solution

Verified by Experts

The correct Answer is:
C
`Zn+2NaOH to Na_2ZnO_2 + H_2uarr`
`2Al + 2NaOH + H_2O to 2NaAlO_2 +3H_2 uarr`
`Sn +2NaOH+H_2OtoNa_2SnO_3 + 2H_2 uarr`
`Pb+2NaOH+H_2O to Na_2PbO_3 + 2H_2 uarr`
`Si+2NaOH+H_2O to Na_2SiO_3 +2H_2 uarr`
`P_4 + 3NaOH + 3H_2O to PH_3 uarr + 3NaH_2PO_2`
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