Can both chlorine atoms be axial in any chair conformation? Would a solution of

Question

Can both chlorine atoms be axial in any chair conformation? Would a solution of model A rotate plane polarized light? Why or why not? Is model A a meso compound? Using the models as a reference, complete the Newman projections for the chair and boat conformations below. Is Model B? ' Model B? - there an internal plane of symmetry in either conformation? s. Build two models of chlorocyclohexane. On one model, replace the hydrogen labeled H, with a chlorine atom to make model A; on the other model, replace the hydrogen labeled H, to produce model B. Now place both models in the chair conformation. Assign absolute stereochemistry to all stereogenic centers in the pictures of models A and B model A replace H, CI Cl replace H model B H, D H Cl What is the configuration of each chirality center? What is the stereochemical relationship between models A and B? (Circle your answer) identical Using the templates conformations of the models of 1.2-dichlorocyclohexane. cnantiomers diastereomers es provided, draw the planar representation (use wedges and dashes!) and both chair meso

Explanation / Answer

In both chair and boat conformation there are internal plane of symmetry.

In chair it was horizontal plane leading to D3d point group

In boat it was vertical leading to C2v point group

In diclorocylohexane

A-S, B-R, C-S, D-R

Stereochemical relationship between model in A and B is enantiomers

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