Question

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a). Which alkene on reductive ozonolysis gives only:
(i). Ethanol
(ii).Propanone

b).How will you convert the following
(i). Ethyl alcohol to Ethene
(ii).Propene to 2-brompropane​

Answer 1

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Ethanol :

The compound 2,3 -Dimethyl-2-butene is an alkene that undergoes reductive ozonolysis and forms acetone.

b (1) Ethanol can be dehydrated to give ethene by heating it with an excess of concentrated sulphuric acid at about 170°C.

(2)Addition of HBr to propene gives 2-bromopropane. The hydrogen of HBr adds to carbon 1 of propene and bromine adds to carbon 2.

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Answer 2

Answer:

.....

• The IUPAC of the alkene which on ozonolyisis produce a mixture of acetone and ethanal is 2-methylbut-2-ene.

• The chemical equation for the ozonolysis of  2-methylbut-2-ene

Answer:

• Ethyl alcohol converted to ethene in the presence of the concentrated sulphuric acid .It is called dehydration reaction

I hope it help you