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Which of the following is most stable co...

Which of the following is most stable conformation?

A

B

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D

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Which of the follwing is the most stable conformation of ethane?

Cyclohexane exist as two chair conformations in rapid equilibrium at room temperature. Each carbon atom on a cyclohexane ring has one axial and one equatorial bydrogen. Rind-flipping converts axial H's to equatorial H's and vice-versa In substituted cyclohexane, groups larger than hydrogen ar more stable in the equatorial position. The cis isomers has two groups on the same side of the ring, eithere both up or both down. The trans isomer has two groups on opposite side of the ring one up and one down. Which of the following is most stable conformer of 1,2-dichlorocyclohexane?

Which of the following is most stable carbocation?

Which of the following is the most stable?

Which of the following is the least stable conformeer of cyclohexane ?

Which of the following is the least stable conformer of cyclohexane?

Which of the following is the most stabilised conformer of ?

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