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The compound 1,3-ibromo-2-methy1 butane,...

The compound `1,3`-ibromo`-2-`methy`1` butane, `CH_(3)CHBrCH(CH_(3))CH_(2)Br, `has two dissimilar chiral carbons `(C-2` and `C-3)`. Its four stereoisomers are shown below
I
Which of the following has `(2R, 3R)` designation?

A

`I`

B

`II`

C

`III`

D

`IV`

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The correct Answer is:
D
In order of priority, the four ligands bonded to `C-2` are `CH_(3)CHBr gtCH_(2)Br gtCH_(3) gtH`. On `C-3` they are `Br gt CH(CH_(3))CH_(2)Br gtCH_(3) gtH`.
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R SHARMA-STEREOCHEMISTRY-Level IV
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  2. Which of the following is incorrect?

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  3. The compound 1,3-ibromo-2-methy1 butane, CH(3)CHBrCH(CH(3))CH(2)Br, ha...

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  4. Which of the following configuration represents a therosteroisomer?

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  5. Which of the following moleules possesses a peseudoasymmetric carbon a...

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  6. Which of the following molecules has a pro-chiral centre?

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  7. How may 2,3,4,5-terahydroxyadipic acids are possible?

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  8. How many optically active stereoisomers are possible for tri-sec-buty1...

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  9. How many steroisomers are possible for tetra-sec-buty1 methane?

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  10. Which of the following molecules is chiral?

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  11. Cyclohexene on raction with cold dilute KMnO(4) solutioon gives

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  12. Hydrogenation of the compound with H(2) in the presence of Lindle...

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  13. Cyclohexene on reaction with m-chloroperoxbenzpic acid forms a compoun...

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  14. Consider the following sequence of reactions How many structures ...

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  15. In the reaction the major product formed is

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  16. Which one of the following conformations of cyclohexane is chiral?

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