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Complete and balance the following reactions: (a) (b) Why are transition metals used to make alloys?
(i)
Complete and balance the following reactions:
(a) $\text{K}_2\text{Cr}_2\text{O}_7 + \text{H}_2\text{SO}_4 + \text{H}_2\text{S} \rightarrow \text{ _____ } + \text{ _____ } + \text{ _____ } + \text{ _____ }$
(b) $\text{KMnO}_4 + \text{H}_2\text{SO}_4 + \text{KI} \rightarrow \text{ _____ } + \text{ _____ } + \text{ _____ } + \text{ _____ }$
(ii)
Why are transition metals used to make alloys?
Answer
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From ISC 2026 Improvement Chemistry Paper 1, question 12.