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Assertion(A): Lactic acid is optically a...

Assertion(A): Lactic acid is optically active compound
Reason (R): It contains a chiral centre with plane of symmetry

A

both A and R are true and R is the correct explanation of A

B

both A and R are true and R is not the correct explanation of A

C

A is true but R is false

D

A is false but R is true

Text Solution

Verified by Experts

The correct Answer is:
C

It is optically active due to the presence of chiral centre it has no plane of symmetry
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AAKASH SERIES-ISOMERISM -ADDITIONAL PRACTICE EXERCISE (LEVEL-I(MAIN) STRAIGHT OBJECTIVE TYPE QUESTIONS)
  1. The number of enantiomers of the compound CH(3)CHBrCHBrCOOH is

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  2. Assertion (A): The boiling point of cis-2-butene is more than trans-2-...

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  3. Assertion(A): Lactic acid is optically active compound Reason (R): I...

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  4. The chirality of the compounds H(3)C=overset(Br)overset(|)underset(Cl)...

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  5. The compounds A, B, C have R or S configurations respectively

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  6. Total number of stereoisomers of the following compound is CHCl=CH-CH(...

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  7. Total number of stereoisomers of the following compound is CHCl=CH-CH(...

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  8. Isopentane can form four structurally isomeric mono bromo derivatives....

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  9. Optically active compounds among the following is

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  10. Which of the following form diastereomeric pair?

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  11. The optical rotation of a solution of pure natural camphor is found to...

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  12. The R and S configuration for each sterogenic centre in this from top ...

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  13. is

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  14. An enantiomerically pure acid is treated with racemic mixture of an al...

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  15. Which of the following is correctly matched?

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  16. The configuration of the following compound A,B,C n R,S notation are

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  17. Which of the following structures are super imposable?

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  18. Type of isomerism not possible with the molecular formula C(4)H(10)O i...

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  19. I and II are

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  20. Which one is not metamer of

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