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Predict the number of stereoisomers in C...

Predict the number of stereoisomers in `CH_(2)OH.(CHOH)_(4).CHO`.

A

16

B

8

C

4

D

2

Text Solution

Verified by Experts

The correct Answer is:
A
Terminal groups are different. The number of asymmetric `C` atoms is four
`(HOCH_(2)overset(**)CH(OH)overset(**)CH(OH)overset(**)CH(OH)overset(**)CH(OH)CH_(2)OH)`
Therefore, the number of stereiosomers (optical isomers) is
`2^(n)=2^(4)=16`
(where `n` is the number of asymmetrical `C` atoms)
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a. How many stereoisomers are possible for the compound CH_(3)CH=CHCHClCH_(3) ? b. How many stereoisomers are possible for the compound HOOC CH_(2)-COOH ? c. Isopentane on monochlorination gives "_______" isomers and out of them "______" are optically active. d. Which of the following compounds exhibits (s) geometrical isomerism? i. C_(2)H_(5)Br , ii. (CH)_(2)(COOH)_(2) iii. CH_(3)CHO , iv. (CH_(2))_(2)(COOH)_(2) e. Write down the structuers of stereoisomers of the following: i. 2,3-Dihydroxybutane ii. 3-Phenyl-2-propenoic acid f. Write down the number of asymmertric carbon atoms in each optically active compound and report the number of isomers. i. CH_(3)(CHOH)_(2)COOH ii. COOH.(CHOH)_(2)COOH

Knowledge Check

  • Predict the number of stereoisomers for 2,5 heptadiene.

    A
    4
    B
    3
    C
    2
    D
    5

  • The number of optical isomers of CH_(3)CH(OH)CH(OH)CHO is

    A
    Zero
    B
    2
    C
    3
    D
    4

  • The total number of optically active isomers for CH_(2)OH(CHOH)_(3)CHO are

    A
    16
    B
    8
    C
    4
    D
    2

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