Ozonolysis of alkenes gives ozonide which gives aldehydes and/or ketones. When a stream of $O_{3}$ is passed through a solution of alkene in an inert solvent at low temperature, the molecule adds up to form ozonide. This ozonide is unstable and easily decomposes either by reduction or hydrolysis and forms compound having the carbonyl group $> C = O$ . This is known as ozonolysis. 2-Methyl-but-2-ene on ozonolysis followed by reductive hydrolysis gives:

2 moles of $C H_{3} C H O$

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1 moles of $C H_{3} C H O$

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2 moles of $C H_{3} C O C H_{3}$

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1 mole of acetone and one mole of acetaldehyde

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Solution

The correct option is D
1 mole of acetone and one mole of acetaldehyde

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Ozonolysis of alkenes gives ozonide which gives aldehydes and/or ketones. When a stream of $O_{3}$ is passed through a solution of alkene in an inert solvent at low temperature the molecule adds up to form ozonide. This ozonide is unstable and easily decompose either by reduction or hydrolysis and forms compound having. This $> C = O$ is known as ozonolysis.

Product P is

An alkene gives two moles of $H C H O$ , one mole of $C O_{2}$ and one mole of on ozonolysis follows by hydrolysis. The structure of this alkene is:

Q. One mole of a symmetrical alkene on ozonolysis gives two moles of an aldehyde having a molecular mass of

44 u

. The alkene is:

Q. Which alkene on reductive ozonolysis gives 1 mole each of propan-2-one, formaldehyde and 2,4-dioxohexanedial?

Q. Assertion :Ozonolysis of 3-hexyne followed by hydrolysis gives propanoic acid. Reason: The byproduct

H_{2} O_{2}

oxidizes ozonide to acid.

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The correct option is D 1 mole of acetone and one mole of acetaldehyde

The correct option is D
1 mole of acetone and one mole of acetaldehyde