Asked in PMC Practice Test 11 (2021) 2021Moderate

What is the general formula of Aldehyde?

Correct answer: C. RCHO

  • A. RCOR
  • B. RCOOR
  • C. RCHO
  • D. RCOOH

Explanation

The general formula for aldehydes is RCHO, where R represents an organic group. The aldehyde functional group consists of a carbonyl group (C=O) bonded to a hydrogen atom (H) and an R group. The simplest aldehyde is formaldehyde, with the molecular formula CH2O.

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About Functional Groups

Functional groups are specific atoms or atom groups that determine the characteristic reactions and properties of organic compounds. Coverage includes alkenes, alkynes, halo, hydroxyl, ether, carbonyl, carboxyl, ester, amino and nitro groups, together with their structures, nomenclature and related homologous series.

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