Iqbal treated a lustrous,divalent element M with sodium hydroxide. the formation of bubbles in reaction mixture. the same observation which element was treated with chloric acid.how can we identify the product gas write chemical equation from both the reaction
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ExplanationIn the first case; a base reacts with a metal, and in the second case; an acid reacts with a metal. Hence, hydrogen gas is most likely to be produced during these reactions.
The evolution of hydrogen gas can be checked by bringing a burning matchstick or splinter near the evolved gas. The fact that the matchstick burns with a pop sound, shows that hydrogen gas is evolved.
The reactions can be shown by following equations:
2NaOH + Zn ⇨ Na2ZnO2 + H2
2HCl + Zn ⇨ ZnCl2 + H2:
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