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1990 WAEC Chemistry Theory (a) Give one reason why a collision between reactants may not produce new species. (b)...

Chemistry
WAEC 1990

(a) Give one reason why a collision between reactants may not produce new species.

(b) Explain, illustrating with appropriate equation(s), why an aqueous solution of aluminium chloride is acidic.

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Explanation

a) A collision between reactants may not produce new species because the reactants may the activation energy.

(b) AlCl\(_{3(g)}\) + H\(_2\)O\(_{(l)}\) \(\to\) Al(OH)\(_{3(aq)}\) + HCl\(_{(aq)}\) of the two products of aluminium chloride HCl is a strong acid which will make the medium acidic.


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