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(A ) The boiling point of ethanol is muc...

(A ) The boiling point of ethanol is much higher than that of diethyl ether.
(R ) In ethanol, the molecules are associated due to inter-molecular hydrogen bonding, whereas in diethyl ether it is not possible.

A

If both (A) and (R ) are correct and (R ) is correct explanation of (A ).

B

If both (A ) and (R ) are correct but (R ) is not correct explanation of (A ).

C

If (A) is correct but (R ) is incorrect

D

If (A) is incorrect but (R ) is correct.

Text Solution

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OP TANDON-ALCOHOLS, PHENOLS AND ETHERS-ASSERTION-REASON
  1. Statement I Solubility of n-alcohol in water decreases with increase i...

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  2. (A) Di-tert-butyl ether cannot be prepared by Williamson's ether synet...

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  3. (A ) The boiling point of ethanol is much higher than that of diethyl ...

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  4. (A) The acidity of alcohols follows the order 1^(@) gt 2^(@) gt 3^(@)....

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  5. (A) Alcohols can be dried over anhydrous CaCl(2) (R ) Anhydrous CaCl...

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  6. (A) CH(3)OH is a nuelophile (R ) CH(3)OH forms sodium methoxide on t...

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  7. (a) HIO(4) decomposes 1,2-glycols but not 1,3- or higher glycols. (R...

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  8. (A ) 3^(@) Alcohols show turbidity within 5 minutes, when treated with...

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  9. (A) Grignard reagent reacts with aldehydes and ketones to form alcohol...

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  10. (A)Glycerol does not react with HI. (R ) 2-Iodopropane can be produc...

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  11. (A) Glycol reacts with HI to give ethylene. (R ) Initially ethylene...

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  12. (A) RCOCl,(RCO)(2)O and RCOOR' all react with Grignard reagent to form...

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  13. Assertion : Ease of dehydraction of alcohols follows the order : Terti...

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  14. (A ) Acidic character of alcohols follows the order : Primary gt Sec...

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  15. Phenol is more reactive than benzene towards electrophilic substitutio...

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  16. Assertion: p-nitrophenol is a stronger acid than o-nitrophenol. Reas...

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  17. (A) o-Phenol sulphonic acid on heating at 100^(@)C changes to p-phenol...

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  18. Assertion : Phenol and benzoic acid can be distinguished by NaHCO(3). ...

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  19. (A) Reimer-Tiemann reaction of phenol with C Cl(4) in NaOH at 340K giv...

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  20. (A) 4-Nitrophenol is more acidic than 2,4,6-trinitrophenol (R ) Phen...

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