Question

22. i) Write the name and structure of a saturated compound in which the carbon atoms
are arranged 3 in a ring
ii) Write first 2 homologous series of carboxylic acids
iii) Write isomers of butane​

Answer 1

Answer: i) the structures in which the carbon atoms are arranged in a ring are called as cycloalkanes, with a general formula of CnH₂n. There are many saturated cycloalkanes. The cycloalkane with the least number of carbon atoms is - Cyclopropane with 3 carbon atoms.

ii)Carboxylic acids is a homologous series in which the compounds contain a functional group called the carboxyl group (-COOH). ... The first four carboxylic acids derived from alkanes are methanoic acid (HCOOH), ethanoic acid (CH3COOH), propanoic acid (C2H5COOH) and butanoic acid (C3H7COOH).

iii)Butane, or C4H10 , has two structural (also called constitutional) isomers called normal butane, or unbranched butane, and isobutane, or i-butane. According to IUPAC nomenclature, these isomers are called simply butane and 2-methylpropane.

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