Which of the following is a combination and which is a displacement reaction?
(i) Cl₂ + 2KI ----> 2KCl + I₂
(ii) 2K + Cl₂ ----> 2KCl

Academic Chemistry NCERT Class 10

a) $Cl_{2} \ +\ 2KI\ \ \rightarrow \ 2KCl\ +\ I_{2}$

It is a Displacement reaction as chlorine displaces iodine from the compound.

b) $2K\ +\ Cl_{2\ } \ \rightarrow \ 2KCl$

It is a Combination reaction as potassium combines with chlorine to form potassium chloride.

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Updated on: 10-Oct-2022

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