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Longest Chain Rule

Write the IUP...

Question

Write the IUPAC name of the compound (A) in which the molar ratios of C,H, and O are equal having a molecular mass of 58.

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Solution

Molecular formula of $(A) = C_{x} H_{x} O_{x}$
$∴ 12 x + x + 16 x = 58$
$\Rightarrow x = 2$
$F o r m u l a = C_{2} H_{2} O_{2}$ . It can be $O = C H - C H = O Ethane dial or Glyoxal$ .

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