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The boiling point of alcohol are .... Th...

The boiling point of alcohol are .... Than corresponding thiols.

A

More

B

Same

C

Either of these

D

Less

Text Solution

Verified by Experts

The correct Answer is:
A
Alcohols have intermolecular hydrogen bonding with themselves. So they have boiling point more than corresponding thiols.
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Boiling point of alcohol is more than corresponding ether. Why ?

Boiling point of alcohol is less than corresponding carboxylic acid. Why ?

(i) Boiling point of an alcohol is higher than its corresponding alkane. Explain. (ii) Why are phenols more acidic than alcohols ?

The boiling points of amines and their correspondings alcohols and acids vary in the order.

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The boiling points of alcohols are higher than those of hydrocarbons of comparable masses due to:

Assertion: The boiling points of alcohols are higher than those of hydrocarbons of comparable molecular mass. Reason Alcohols show intramolecular hydrogen bonding.

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Knowledge Check

  • The boiling points of amines and their correspondings alcohols and acids vary in the order.

    A
    `RCH_(2)NH_(2) gt RCOOH gt RCH_(2)OH`
    B
    `RCH_(2)NH_(2) gt RCH_(2)OH gt RCOOH`
    C
    `RCH_(2)NH_(2) lt RCOOH lt RCH_(2)OH`
    D
    `RCH_(2)NH_(2) lt RCH_(2)OH lt RCOOH `

  • The boiling points of amines and their corresponding alcohol and acids vary in the order

    A
    `RCH_(2) NH_(2) gt RCOOH gt RCH_(2) OH`
    B
    `RCH_(2) NH_(2) gt RCH_(2)OH gt RCOOH`
    C
    `RCH_(2) NH_(2) lt RCH_(2) OH lt RCOOH`
    D
    `RCH_(2) NH_(2) lt RCOOH lt RCH_(2) OH`

  • Assertion: The boiling points of alcohols are higher than those of hydrocarbons of comparable molecular mass. Reason Alcohols show intramolecular hydrogen bonding.

    A
    Assertion and reason both are correct statements and reason is correct explanation for assertion.
    B
    Assertion and reason both are correct statements but reason is not correct explanation for assertion.
    C
    Assertion is correct statement but reason is wrong statement.
    D
    Assertion is wrong statement but reason is correct statement.
    • ERRORLESS-ALCOHOLS, PHENOLS AND ETHERS-NCERT BASED QUESTIONS (Properties of Alcohols, Phenols and Ethers)
    1. The boiling point of alcohol are .... Than corresponding thiols.

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    2. An organic liquid A containing C,H and O has a pleasant odour with a b...

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    3. Isopropyl alcohol on oxidation forms :

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    4. The compound 'A' when trated with ceric ammonium nitrate solution give...

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    5. The reagent used in the conversion of 1-butanol to 1-bromobutane is :

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    6. Which of the following compounds is oxidised to prepare methyl ethyl k...

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    7. Lucas test is used for

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    8. Isopropy1 alochols heated at 300^(@)C with copper catayst to form

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    9. Three alcohols (i) CH3CH2CH2OH, (ii) CH3-CHOH-CH3and (iii) CH3-C...

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    10. The reagent used for the dehydration of an alcohol is

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    11. Which of the following compounds has highest boiling point ?

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    12. A compound 'A' on oxidation gave acetaldehyde , then again on oxidatio...

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    13. Catalytic dehydrogenation of a primary alcohol gives a/an

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    14. The compound which gives the most stable carbonium ion on dehydration ...

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    15. When primary alcohol is oxidised with chlorine, it produces

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    16. Amongst the following , HBr reacts fastest with .

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    17. The dehydration of 2-methyl butanol with conc. H(2)SO(4) gives

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    18. A underset(Delta)overset(Cu)larrCH3CH2OH underset(Delta)overset(Al2O3)...

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    19. In the reaction given below, X is Neopentyl alcohol overset(H(2)SO(4...

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    20. In the Victor Meyer's test, the colours given by 1^(@), 2^(@) and 3^(@...

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