Indicate the number of chain isomers that can be obtained from the C6H14?
Correct answer: C. 5
- A. 7
- B. 6
- C. 5
- D. 4
Explanation
Hexane (C6H14) is an alkane with six carbon atoms. Alkanes are hydrocarbons with only single bonds between carbon atoms. The general formula for an alkane with n carbon atoms is CnH2n+2. The correct answer is C, as five different chain isomers can be obtained from C6H14 (hexane). These isomers arise from the varying arrangement of carbon atoms in the chain, including straight-chain and branched-chain isomers. Remember that the no. of isomers for carbon 1 and 2 of alkane is 1. The trick to finding the total possible number of chain isomers for Alkanes up to C10 is given below.
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About Alkanes
Alkanes are saturated hydrocarbons containing only carbon-carbon and carbon-hydrogen single bonds, with the general formula CnH2n+2 for open chains. Their structure, isomerism, IUPAC nomenclature, physical properties, combustion, free-radical halogenation and conformations are covered, including the difference between substitution in alkanes and addition in unsaturated hydrocarbons.
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