| 5 g of zinc is treated separately with an excess of |
| (a) Dilute hydrochloric acid and |
| (b) Aqueous sodium hydroxide. |
| The ratio of the volumes of \[{{H}_{2}}\]evolved in these two reactions is |
| [JEE MAIN Held on 09-01-2020 Evening] |
A) \[1:4\]
B) \[2:1\]
C) \[1:2\]
D) \[1:1\]
Correct Answer: D
Solution :
from one mole of \[Zn,\] \[1\text{ }mol\]of \[{{H}_{2}}\] is produced by both \[NaOH\]and\[HCl\]. \[\therefore \] Molar ratio = Volume ratio i.e. \[1:1\]
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