Chemistry, asked by khansiddiquaayesha, 7 months ago

the order of stabilitybof 1,3 dimethyl cyclohexane is

Answers

Answered by zakiralitreader
3

Answer:

The stable conformers of trans-1,3-dimethyl cyclohexane is 1-equatorial-3-equatorial form.

1,3-diequatorial conformation is most stable as the steric interactions are minimum.

1,3-diaxial conformation is least stable as the steric interactions are maximum.

Explanation:

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Answered by swethassynergy
0

The order of stability of iosmers of 1, 3 dimethyl cyclohexane -

1-eq, 3-eq methyl groups > 1-eq, 3-axial methyl groups > 1-axial, 3-axial methyl groups.

Explanation:

  • The cyclohexane can be drawn as its chair form as it is most stable.
  • The two methyl groups can be present on the positions- both equitorial, both axial, one equitorial and one axial.
  • The methyl groups when present at equitorial positions, experience the least steric hinderance and are the most stable.
  • When they are at the axial positions, they experience the maximum steric hinderance, and are the least stable.
  • If one is at  axial and one is at equitorial, the steric repulsion is less than as compared to axial positions.
  • Therefore, the order of stabiliy is:

       1-eq, 3-eq methyl groups > 1-eq, 3-axial methyl groups > 1-axial, 3-axial  

       methyl groups.

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