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Diastereomers

The absolute ...

Question

The absolute configuration of the following compound is:

A

2 S, 3 R

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B

2 S, 3 S

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C

2 R, 3 S

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D

2 R, 3 R

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Solution

The correct option is B $2 S, 3 S$
The Carbon-2 and Carbon-3 both has S configuration as shown in the figure.

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Similar questions

It is given that when (±)-2,3-dibromobutane reacts with $K O H$ , some of the products formed are:

Explain via mechanism and then choose the correct ones from the following.

Monosubstitution of (2S,3S)-2,3-dibromobutane using $O H^{-}$ yields a mixture of products.
Monosubstitution of (2S,3S)-2,3-dibromobutane using $O H^{-}$ yields a single major product.
Monosubstitution of (2R,3R)-2,3-dibromobutane using $O H^{-}$ yields a mixture of products.
Monosubstitution of (2S,3S)-2,3-dibromobutane using $O H^{-}$ yields a mixture of products.

Q. Elements A, B, C, 0 and E having the following electronic configuration

1 s^{2}, 2 s^{2}, 2 p^{1}

1 s^{2}, 2 s^{2}, 2 p^{6}, 3 s^{2}, 3 p^{1}

1 s^{2}, 2 s^{2}, 2 p^{6}, 3 s^{2}, 3 p^{3}

1 s^{2}, 2 s^{2}, 2 p^{6}, 3 s^{2}, 3 p^{5}

1 s^{2}, 2 s^{2}, 2 p^{6}, 3 s^{2}, 3 p^{6}

Electronic configurations belonging to the same group are :

Q. Electronic configuration of an element

A

1 s^{2} 2 s^{2} 2 p^{6} 3 s^{1}

and electronic configuration of another element

B

1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{4}

. The possible compound that can be formed between

A

B

Q. Two elements

X

Y

have following elecronic configuration:

X =

1 s^{2}, 2 s^{2}, 2 p^{6}, 3 s^{3}, 3 p^{6}, 4 s^{2}

Y =

1 s^{2}, 2 s^{2}, 2 p^{6}, 3 s^{2}, 3 p^{5}

The compound formed by the combination of

X

Y

Q. The configuration

1 s^{2} 2 s^{2} 2 p^{5} 3 s^{1}

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