MCQ
In the given reaction the product $E$ is :


- ✓

- B

- C

- D








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[Atomic mass $: \mathrm{Na}=23.0, \mathrm{O}=16.0, \mathrm{H}=1.0]$
If dilute $HCl$ is added to an aqueous solution of ${H_2}S$ without any change in temperature