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(A) Oils are purified by steam distillat...

(A) Oils are purified by steam distillation.
(R) The compounds which decompose at their boiling points can be purified by steam distillation.

A

If both assertion and Reason are true, and reason is the true explanation of the assertion.

B

If both assertion and reason are true, but reason is not the true explanation of the assertion.

C

If assertion is true, but reason is false

D

If both assertion and reason are false

Text Solution

Verified by Experts

The correct Answer is:
D
Correct assertion. Only essential oils are purified by steam distillation.
Correct reason. Compounds which are volatile in steam and insoluble in water can be purified by steam distillation.
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PRADEEP-ORGANIC CHEMISTRY-SOME BASIC PRINCIPLES TECHNIQUES-Competition Focus (Jee (Main and Advanced)/Medical Entrance) VIII. Assertion-Reason Type Questions
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  2. Statement-1. Beilstein test can be used to detect fluorine in the orga...

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  3. Statement-1. Lassaigne's extract is boiled with dil. HNO(3) before tes...

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  4. Assertion : Butane and 2-methyl butane are chain isomers. Reason : B...

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  5. Assertion :But-1-ene2-Methylprop-1-ene are position isomers. Reason Po...

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  6. Assertion : All the carbon atoms of but-2-ene lie in one plane. Reas...

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  7. Assertion : In CH(2)=C=CH(2), all the carbon atoms are sp^(2)-hybridiz...

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  8. Assertion : A free radical is paramagnetic species. Reason : A free ...

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  9. (A) Tertiary carbocations are generally formed more easily than primar...

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  10. Assertion: Alkyl carbonaions like ammonia have pyramidal shape. Reas...

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  11. (A) Tertiary butyl carbonion is less stable than methyl carbanion. (...

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  12. (A) Allyl free radical is more stable than simple alkyl free radical. ...

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  13. Assertion (A) o-and p-nitrophenol can be separated by steam distillati...

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  14. Assertion : Essential oils are purified by steam distillation. Reaso...

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  15. (A) Oils are purified by steam distillation. (R) The compounds which...

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  16. Assertion : During test for nitrogen with Lassaigne extract on adding ...

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  17. Assertion : NH(2)=overset(S)overset(||)(C)-NH(2) gives red colour in L...

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  18. Assertion (A) Hydrazine contains nitrogen but does not give Lassaigne’...

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  19. Note: In the following questions a statement of assertion followed by ...

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  20. Assertion : Vapour density is the same thing as density. Reason : Mo...

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