Question:

The general molecular formula, which represents the homologous series of alkanols is :

Updated On: Jul 29, 2022
  • CnH2nO2C_nH_{2n}O_2
  • CnH2nOC_nH_{2n}O
  • CnH2n+1OC_nH_{2n+1}O
  • CnH2n+2OC_nH_{2n+2}O
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The Correct Option is D

Solution and Explanation

Alkanols are the derivatives of alkanes which are derived by the replacement of H-H of alkanes with OH-OH (hydroxyl groups). AlkanesCnH2n+2+OHHCnH2n+1OH  or  CnH2n+2O _{Alkanes}^{C_nH_{2n+2}} \xrightarrow[+OH]{-H} C_nH_{2n+1}OH\, \, or \, \, C_nH_{2n+2}O
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Concepts Used:

Classification of Organic Compounds

Organic Compounds can be classified into:

Classification based on the structure:

The classification of organic compounds is based on structure such as:

  1. Acyclic or open chain compounds - Acyclic compounds are just opposite to cyclic compounds because their molecules don’t form any ring. It is called open-chain compounds because they have a linear structure.
  2. Cyclic or closed chain compounds - Cyclic compounds are also known as “Ring compounds.”