Friday, September 18, 2009

TEST-54-XI-[Nomanclature]

Q.1.-What is the IUPAC name for the following compound?

(a)1,3-pentamethylpropane
(b)1,1,3,3-tetramethylbutane
(c)2,4,4-trimethylpentane
(d)2,2,4-trimethylpentane

5 comments:

  1. Answer : (d) 2,2,4-trimethylpentane
    Reason : longest contineous chain contains 5 carbon atoms.Hence word root is pent-.There presents two methyl groups on 2nd carbon atom & one methyl group on 4th carbon atom.

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  2. Answer : (d) 2,2,4-trimethylpentane
    Reason : word root is pent- as longest contineous chain contains 5 carbon atoms.there are 2 methyl groups on 2nd position & 1 methyl group one 4th position.

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  3. 2,2,4-trimethylpentane

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