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1992 WAEC Chemistry Theory  Magnesium ribbon reacts with dilute hydrochloric acid at room temperature. (a) State three ways by...

Chemistry
WAEC 1992

 Magnesium ribbon reacts with dilute hydrochloric acid at room temperature.

(a) State three ways by which the reaction can be made to proceed faster

(b) Write an equation for the reaction.

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Explanation

(a) Grind the magnesium ribbon into powder to increase its surface area which increases the rate of reaction Increase in the concentration of the copper will increase the rate of reaction. At lower than room temperature at catalyst can be applied to increase the rate of reaction.

(b) Mg\(_{(s)}\) + 2HCI\(_{(aq)}\) --> MgCl\(_{2(aq)}\) + H\(_{2(g)}\)

.


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