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Organic Chemistry

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12 Feb 2009 21:20:27 IST

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what will be eliminated when ammonia derivatives such as nitro group is added to alkanes and then c

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what will be eliminated when ammonia derivatives such as nitro group is added to alkanes and then catalysed with hydronium ion?

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10904him

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12 Feb 2009 21:31:24 IST

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acids are formed----nitrolic acids by tautomerism-NOOH

Madhusudan Chavan

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13 Feb 2009 19:12:04 IST

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The question is not clear, what you are referring by ammonia derivatives such as nito group attached to alkane? But I suppose it is all about hydrolysis of nitroalkanes.

Primary nitroalkanes when treated with boiling HCl or 85% H2SO4 undergo hydrolysis to form a carboxylic acid and the salt of hydroxylamine.

RCH2NO2 + HCl/H2O .......>RCONHOH .....> RCOOH + NH2OH.HCl

In contrast secondary nitroalkanes unpon hydrolysis with boiling HCl give a ketone and nitrous oxide.

2 R2CH-NO2 + HCl .......> 2R2CO + N2O + H2O

tertiary nitroalkanes generally do not undergo hydrolysis with HCl.

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