Question

(a) Give the name and structural formula of one member each of the following
(i) alkane
(ii) alkene
(iii) alkyne
(iv) cycloalkane
(b) Give the common name of (i) ethyne, and (ii) ethene.
(c) Write the molecular formula and structure of benzene.

Answer 1

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Explanation:

 a)   (i) alkane - (CnH₂n⁺₂)=C₂H₆ =ethane

       (ii) alkene - (CnH₂n)= C₂H₄  =ethene

       (iii) alkyne- (CnH₂n⁻₂)=C₂H₂=ethyne

b)     (i) ethyne -Acetylene

       (ii) ethene-Ethylene

(c)benzene - C₆H₆

           C

   //              \

  C                C

  |                  ║

 C                 C

  \\               /

           C