Identify correct statements for the following incomplete...

Identify correct statements for the following incomplete reactions. (i) $\mathrm{KI}+\mathrm{Cl}_{2} \rightarrow$ (ii) $\mathrm{KClO}_{3}+\mathrm{I}_{2} \rightarrow$ (iii) $\mathrm{KNO}_{3(3)}+{ }^{3} \mathrm{~K}_{(s)} \rightarrow$ (iv) $\mathrm{P}+\mathrm{I}_{2}+\mathrm{H}_{2} \mathrm{O} \rightarrow$ (Red) (a) All are redox reactions (b) Only I, II and III have one of the product in its element form (c) I and II are displacement reactions (d) III is disproportionation reaction

Identify correct statements for the following incomplete reactions.
(i) $\mathrm{KI}+\mathrm{Cl}_{2} \rightarrow$
(ii) $\mathrm{KClO}_{3}+\mathrm{I}_{2} \rightarrow$
(iii) $\mathrm{KNO}_{3(3)}+{ }^{3} \mathrm{~K}_{(s)} \rightarrow$
(iv) $\mathrm{P}+\mathrm{I}_{2}+\mathrm{H}_{2} \mathrm{O} \rightarrow$
(Red)
(a) All are redox reactions
(b) Only I, II and III have one of the product in its element form
(c) I and II are displacement reactions
(d) III is disproportionation reaction

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Key Concepts

Redox Reactions

Redox reactions involve the transfer of electrons between species, leading to changes in oxidation states. These reactions are central to understanding how atoms are oxidized (lose electrons) and reduced (gain electrons), and are a fundamental concept in many chemical processes including energy conversion and synthesis.

Displacement Reactions

Displacement reactions occur when a more reactive element replaces a less reactive element in a compound. This type of reaction is key in understanding reactivity trends and predicting the products of reactions involving halogens, metals, and other reactive species.

Disproportionation Reactions

Disproportionation reactions are a specific type of redox reaction in which a single substance is simultaneously oxidized and reduced, producing two different products with the element appearing in two different oxidation states. Recognizing such reactions is important for analyzing complex redox processes and reaction mechanisms.

Elemental Form in Redox Processes

In many redox reactions, one of the products can appear in its elemental form, indicating a change in oxidation state from a compound to a pure element. This concept is useful for identifying the nature of the reaction and for balancing chemical equations, especially in displacement and redox reactions.

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