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Optical Activity

Which of the ...

Question

Which of the following can show optical activity ?

A

C H_{3} - C H (O H) - C H (O H) - C H_{3}

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B

C H_{3} - C H (C H_{3}) - C H (C H_{3}) - C H_{3}

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C

C H_{3} - C \equiv C - C H (C H_{3})_{2}

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D

C H_{3} - C H (C l) - C H_{3}

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Solution

The correct option is A $C H_{3} - C H (O H) - C H (O H) - C H_{3}$
This is optically active as it contain plane of symmetry and centre of symmetry.

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Similar questions

Q. IUPAC name of

C H_{3} - C H (C H_{3}) - C \equiv C - C H (C H_{3}) - C H_{3}

Q. What would be the best method to bring about the following conversion?

C H_{3} - C H_{3} | C | C H_{3} - C H = C H_{2} ⟶ C H_{3} - C H_{3} | C | C H_{3} - C | H O H C H_{3}

Q. Consider the following reactions. I and II are respectively.

C H_{2} C H_{3} | C | O H - C H_{3} | C H C H_{3} I I \leftarrow - C H_{3} C H_{3} | C | C H_{3} C H = C H_{2} I \to C H_{3} - C H_{3} | C | C H_{3} - C | O H H C H_{3}

Q. The reaction given below is called,

_{_{R} ╱}^{^{R} ╲} C H O H +_{_{C H_{3}} ╱}^{^{C H_{3}} ╲} C O [(C H_{3})_{3} C O]_{3} A l - -------- \to_{_{R} ╱}^{^{R} ╲} C O +_{_{C H_{3}} ╱}^{^{C H_{3}} ╲} C H O H :

Q. Write IUPAC names of the following

@CH3-CH2-CH=CH2
@CH3-CH2-CH2-C(CH3)2-CH3
@CH3-CH2-CHO
@CH3-CH(OH)-CH3
@CH3-CH2-CH2-COOH

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