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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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Predict the number of stereoisomers for 2,5 heptadiene.

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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
    • CENGAGE CHEMISTRY-ISOMERISM-Single correct answer type (Exercise)
    1. Predict the number of stereoisomers in CH(2)OH.(CHOH)(4).CHO.

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

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    3. Symbol D stands for:

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    4. Which of the following compounds will not show geometrical isomerism?

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    5. The enolic form of acetone contains:

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    6. Arrange the following in the increasing order of expected enol content...

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    7. The decreasing order of reactivity of the following alkenes is: i. 2...

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    8. Which of the following is the least stable form of cyclohexane?

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    9. The minimum number of carbon atoms an alkane should contain in order t...

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    10. A compound whose molecule is superimposabel on its mirror image despit...

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    11. The IUPAC name of the compound with formula C(n)H(2n+2), having the lo...

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    12. A racemic mixtrue is optically inactive due to :

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    13. The pair of structures given below represents:

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    14. The degree of unsaturation or index of hydrogen deficiency in the foll...

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    15. The degree of unsaturation in i. C(3)H(3)Cl(3), ii. C(3)H(4)O, iii. ...

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    16. Which of the following alkenes is the most stable ?

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    17. Which of the following will have zero dipole moment?

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    18. The total number of conformations of ethane is:

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    19. Which of the following is not an isomer of butanal?

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    20. The least energetic conformation of cyclohexane is:

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