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When the same amount of zinc is treated ...

When the same amount of zinc is treated separately with excess of sulphuric acid and excess of sodium hydroxide, the ratio of volume of hydrogen evolved is :

A

`1:1`

B

`1:2`

C

`2:1`

D

`9:4`

Text Solution

Verified by Experts

The correct Answer is:
A
`Zn+H_(2)SO_(4) to ZnSO_(4) +H_(2)uarr`
`Zn+NaOH to Na_(2)ZnO_(2) +H_(2) uarr`
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Knowledge Check

  • When the same amount of zinc is treated separately with excess of sulphuric acid and excess of sodium hydroxide, the ratio of volumes of hydrogen evolved is (a)1:1 (b)1:2 (c)2:1 (d) 9:4

    A
    `1:1`
    B
    `1:2`
    C
    `2:1`
    D
    `9:4`