1- Dilute alkaline KMnSO₄solution is :
a) An oxydising agent b) a reducing agent
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2- Colour of bromine water is ;
a) Yellowish orange b) purple c) brown d) red
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3- Acetylene is an :
a) Saturated hydrocarbonb) unsaturated hydrocarbon c) alkane d) hydrocarbon
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4- When butter react with alkaline KMnSO₄ ,the colour of the solution :
a) Get changed b) doesn’t get changed c) turn d) none

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Solution

1. Dilute alkaline KMnO₄is oxidizing agent.
2. Purple
3.Unsaturaded hydrocarbon.
4.doesnt' change

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(a) reducing agent
(b) oxidising agent
(c) catalyst
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Question 6

A dilute ferrous sulphate solution was gradually added to the beaker containing acidified permanganate solution. The light purple colour of the solution fades and finally disappears.

Which of the following is the correct explanation for the observation?

(a) ${KMnO}_{4}$ is an oxidizing agent, it oxidises ${FeSO}_{4}$ .
(b) ${FeSO}_{4}$ acts as an oxidizing agent and oxidises ${KMnO}_{4}$ .
(c) The colour disappears due to dilution; no reaction is involved.
(d) ${KMnO}_{4}$ is an unstable compound and decomposes in presence of ${FeSO}_{4}$ to a colourless compound.

Q. Isobutane gets oxidised with oxidising agents like alkaline

K M n O_{4}

to:

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1. Dilute alkaline KMnO4 is oxidizing agent.2. Purple3.Unsaturaded hydrocarbon.4.doesnt' change

1. Dilute alkaline KMnO₄is oxidizing agent.
2. Purple
3.Unsaturaded hydrocarbon.
4.doesnt' change