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Q.

The reagent used for converting acetylene to oxalic acid is

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a

${HgSO}_{4} / aqueous H_{2} {SO}_{4}$

b

${KMnO}_{4} / KOH, 25 ° C$

c

${CrO}_{3} / H_{2} {SO}_{4}$

d

${HgSO}_{4} / {CH}_{3} COOH$

answer is C.

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Detailed Solution

With alkaline potassium permanganate, acetylene is oxidised to oxalic acid durile which pink colour is decolorized.

$CH \equiv CH + 4 (0) \to_{{OH}^{-}, 25 ° C}^{{KMnO}_{4}}$ Question Image

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