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In preparation of alkene from alcohol us...

In preparation of alkene from alcohol using `Al_(2)O_(3)`, which is the effective factor:

A

Porousity of `Al_(2)O_(3)`

B

Temperature

C

Concentration

D

Surface area of `Al_(2)O_(3)`.

Text Solution

Verified by Experts

The correct Answer is:
B
Temperature is an effective factor and the ease of dehydration of alcohols is
`3^(@) gt 2^(@) gt 1^(@)`
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DINESH PUBLICATION-ALCOHOLS AND PHENOLS-MCQB
  1. The product of the following reaction is :

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  2. The correct acidic strength order of the following is :

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  3. In preparation of alkene from alcohol using Al(2)O(3), which is the ef...

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  4. Which of the following will not form a yellow precipitate on heating w...

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  5. Ethylene glycol reacts with excess of PCl(5) to give :

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  6. Which of the following compounds is the most acidic ?

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  7. Ethyle oxide when reacted with with Grignard's reagent yields

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  8. the major product in the following reaction is : CH(3)CH(Cl)CH(2)CH(2)...

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  9. Which of the following is the most reactive towards electrophilic atta...

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  10. Consider the following reaction ethanol overset(PBr(3))(rarr)Xoverse...

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  11. Consider the following reaction Phenol overset(Zn)underset("dust")ra...

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  12. Which one of the following compounds has the most acidic nature?

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  13. Which one of the following is most reactive towards electrophilic reag...

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  14. In the following reactions, (a) H(3)C-overset(CH(3))overset("| "...

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  15. The compound which undergoes dehydration very easily is :

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  16. In the following reaction H(3)C-underset(CH(3))underset(|)overset(CH...

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  17. What amount of bromine will be required to convert 2g of phenol into 2...

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  18. Which of the following will be most readily dehydrated in acidic condi...

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  19. Among the following sets of reactants which one produces anisole?

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  20. An ether solution of PhCH(3) (I), PhNH(2) (II) and PhOH (III) is extra...

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