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Addition of Sulphuric Acid and Water

state observa...

Question

state observation when ethene is passed through alk. KMnO₄.

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Solution

When ethene is passed through the alkaline KMnO₄ formation of diols takes place.

H₂C=CH₂ +H₂O + O ---------> CH₂(OH)-CH₂(OH)
(glycol)

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Q. Assertion: In Baeyer’s oxidation of ethene

{S P}^{2}

carbon is changed to

{S P}^{3}

Reason: Cold dil. alk.

{K M n O}_{4}

is Baeyer’s reagent.

What do you observe when ethylene is passed through alkaline $K M n O_{4}$ solution ?

Q. State what do you observe when ethene is bubbled through a solution of bromine in tetrachloromethane (carbon tetrachloride).

Q. Write the observation and name of the product for the following:
(i) When ethene is passed in bromine solution in CCl₄.
(ii) When Baeyer's reagent reacts with ethene.

K M n O_{4}

will oxidise acytylene to :

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Addition of Sulphuric Acid and Water

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