12th Class Chemistry Haloalkanes and Haloarenes / हैलोएल्केन तथा हैलोएरीन्स

  • question_answer 4)
    Among the isomeric alkanes of molecular formula  identify the one that one that on photochemical chlorination yields (i) a single monochloride (ii) three isomericmonochiorides (iii) four isomericmonochiorides

    Answer:

    (i) A single monochloride [IV] can be produced only when all thehydrogen atoms are equivalent. This isomer must be symmetrical.Its structure is given by [I], (ii) Isomer (II) has three groups of equivalent hydrogen atoms. Therefore, three isomericmonochiorides [V, VI and VII] areproduced. (iii) Isomer [III] has four groups of equivalent hydrogen atoms. Therefore, it can produce four isomeric monochlorides [VIII, IX, X and XI].    


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