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Inorganic Chemistry

Cool goIITian

Joined:	4 Jun 2007
Post:	44

18 Apr 2009 10:06:15 IST

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loophole in ncert????

None

loophole in ncert????in iit modern solution evry one has given that sodium forms norml oxide and peroxide on heating in excess of air.but in alkali metals chapter in section under oxides and hydroxides section 10.2.1 second line,(page 295),they have clearly written that sodium forms peroxide along with some superoxide.so what is the correct ans. for that question?

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Addy

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Joined: 7 Feb 2008

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18 Apr 2009 11:58:21 IST

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It's true that sodium forms superoxide too but that's in a very small amount..Oxide and peroxide are formed in majority and moreover sodium superoxide is highly unstable...So the answer has to be a and b

pushkar limaye

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18 Apr 2009 20:36:32 IST

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so does it mean ncert is wrong????????and anyways if excess air is used won't normal oxide get oxidised to peroxide

pushkar limaye

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Joined: 4 Jun 2007

Posts: 44

20 Apr 2009 11:45:00 IST

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experts, please give me solution

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