The substance which gets oxidized to acids on heating them with solutions of potassium permanganate $K M n O_{4}$ or potassium dichromate $K_{2} C r_{2} O_{7}$ is

alkenes

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alkanes

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bases

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alkalis

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Solution

The correct option is A
alkenes

Alkenes can easily be oxidized by potassium permanganate and other oxidizing agents. At cold temperatures with low concentrations of oxidizing reagents, alkenes tend to form glycols. When more concentrated solutions of potassium permanganate and higher temperatures are employed, the glycol is further oxidized, leading to the formation of a mixture of ketones and carboxylic acids.

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Q. ___ are oxidized to acids by heating them with solutions of potassium permanganate (KMnO ₄) or potassium dichromate (K ₂Cr ₂O ₇).

Q. Alkaline potassium permanganate and potassium dichromate convert alcohols into carboxylic acids on oxidation.

The chemical reaction between two substances is characterised by a change in colour from orange to green. These two substances are most likely to be :
(a) potassium dichromate solution and sulphur dioxide

(b) potassium permanganate solution and sulphur dioxide

(d) potassium dichromate solution and carbon dioxide.

Action of heat on potassium permanganate at 746K results in formation of:

Manganese (IV) oxide, potassium permanganate, potassium dichromate are commonly called as:

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The substance which gets oxidized to acids on heating them with solutions of potassium permanganate KMnO4 or potassium dichromate K2Cr2O7 is

The substance which gets oxidized to acids on heating them with solutions of potassium permanganate $K M n O_{4}$ or potassium dichromate $K_{2} C r_{2} O_{7}$ is