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How many cyclic isomers of C5H10 are possible???? How to calculate it....is there any quick method available

How many cyclic isomers of C5H10 are possible???? How to calculate it....is there any quick method available

Grade:12th pass

10 Answers

Vikas TU
14149 Points
7 years ago
As the DU (degree of unsaturation for C5H10 is 1).
It can either be a ring or with one double bonded.
Since for cyclic compounds,
The isomers are:
Cyclopentane 
Methylcyclobutane 
1,2-dimethylcyclopropane .
Tanay Gupta
11 Points
7 years ago
As the DU/DBE of C5H10 is 1.It can either be a ring or with one double bond.1. Cyclopentane2. Methylcyclobutane3. 1,2 Dimethylcyclopropane4. Ethylcyclopropane
Gurkirat Singh
19 Points
6 years ago
Cyclopentane methylcyclobutane ..1,2 dimethyl cyclopropane 1,1 dimethyl cyclopropane ..ethyl cyclopropane
 
Arshdeep
11 Points
6 years ago
Hi , it`
Rosey
11 Points
6 years ago
4 isomers can be possible1) cyclopentane2) methylcyclobutane3) 1,2 dimethyl cycloprpane4) Ethylcyclopropane
Shiv
13 Points
6 years ago
5 isomers can be possible1) cyclopentane2) methylcyclobutane3) 1,2 dimethyl cycloprpane4) Ethylcyclopropane5)1,1-Dimethylcyclopropane
abc
11 Points
5 years ago
the correct answer is 7 isomers.
 
Sanmay
13 Points
5 years ago
The answer came to be seven as the isomers who are optically active have two enantiomers and there are 2 cyclic structures which are optically active so answer is seven...
Irwin sethi
13 Points
5 years ago
5 isomers are possible 
1- cyclopentane
2- methyl cyclobutane
3- ethyl cyclopropane
4- 1,1dimethylcyclopropane
5- 1,2dimethylcyclopropane
 
Rishi Sharma
askIITians Faculty 646 Points
3 years ago
Dear Student,
Please find below the solution to your problem.

As the DU (degree of unsaturation for C5H10 is 1).
It can either be a ring or with one double bonded.
Since for cyclic compounds,
The isomers are:
Cyclopentane
Methylcyclobutane
1,2-dimethylcyclopropane

Thanks and Regards

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