Question

To an aqueous solution containing anions a few drops of acidified KMnO₄ are added. Which one of the following anions, if present will not decolourise the KMnO₄ solution?
(a) I⁻
(b) $CO_3^{2-}$
(c) S²⁻
(d) $NO_2^-$

Answer 1

$<b>$
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$\mathbb{NICE...QUESTION}$

ƲƦ ƇƠƦƦЄƇƬ ƠƤƬƖƠƝ
To an aqueous solution containing anions a few drops of acidified KMnO₄ are added. Which one of the following anions, if present will not decolourise the KMnO₄ solution?
(a) I⁻
(b) $CO_3^{2-}$
(c) S²⁻
(d) $NO_2^-$


→ [B]


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Answer 2

Answer :

To an aqueous solution containing anions a few drops of acidified KMnO₄ are added. Which one of the following anions, if present will not decolourise the KMnO₄ solution?

(a) I⁻

(b) CO_3^{2-}

(c) S²⁻

(d) NO_2^-

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The correct option is (b):  Answer :

\underset{(C_5H_{10}O)}{(X)} \xrightarrow[]{H_3O^+} Y + Z (Y and Z both give the Iodoform test). The compound X is –

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The correct option is (b):   CO_3^{2-}

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hope it helps :)

thanks:)

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hope it helps :)

thanks:)