MCQ
Maleic acid and fumaric acids are
  • A
    Chain isomers
  • B
    Functional isomers
  • C
    Tautomers
  • Geometrical isomers

Answer

Correct option: D.
Geometrical isomers
d
Maleic acid and fumaric acids are geometrical isomers. 

$\mathop {\begin{array}{*{20}{c}}
  {H - C - COOH} \\ 
  {||\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {H - C - COOH} 
\end{array}}\limits_{Maleic\,acid} $ $\mathop {\begin{array}{*{20}{c}}
  {H - C - COOH} \\ 
  {||\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {HOOC - C - H\,\,\,\,\,\,} 
\end{array}}\limits_{Fumaric\,acid} $

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