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Preparation of Chlorine

In the reacti...

Question

In the reaction of zinc with dilute $H C l$ to form $H_{2}$ , which of the following will increase the reaction rate?
I. Increasing the temperature
II. Increasing the exposed surface of zinc
III. Using a more concentrated solution of $H C l$

A

I only

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B

II only

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C

I and II only

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D

II and III only

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E

I, II and III

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Solution

The correct option is E I, II and III
In the reaction of zinc with dilute HCl to form $H_{2}$ , I, II and III will increase the reaction rate.
I. Increasing the temperature
II. Increasing the exposed surface of zinc
III. Using a more concentrated solution of HCl
$Z n + 2 H C l \to Z n C l_{2} + H_{2}$

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