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Which has the highest molar heat of vapo...

Which has the highest molar heat of vaporisation?

A

HF

B

HCl

C

HBr

D

HI

Text Solution

Verified by Experts

The correct Answer is:
A
Due to extensive H-bonding in HF(l) more energy is required to convert a given amount (say one mole) of HF from liquid to vapour state. Thus out of different hydrogen halides, molar enthalpy of vaporisation of HF is maximum.
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DINESH PUBLICATION-THE HALOGEN FAMILY-REVISION
  1. As the atomic number of halogens increases. The halogens

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  2. Which statement is correct about halogens ?

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  3. Which has the highest molar heat of vaporisation?

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  4. Which one of the following reacts with glass ?

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  5. A 500 g toothpaste sample has 0.2 g fluoride concentration. What is th...

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  6. The type of bonding in HCl molecule is

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  7. Which of the following bonds will be most polar?

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  8. Elements of which of the following groups will form anions most readil...

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  9. The strongest hydrogen bonding exists in

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  10. When chlorine is passed over dry slaked lime at room tempreture, the m...

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  11. In the manufacture of bromine from sea water the mother liquor contain...

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  12. Which halogen can be purified by sublimation ?

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  13. Oxidation of thisulphate (S(2)O(3)^(2-)) ion by iodine gives

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  14. Fluorine is a better oxidising agent than Br2. It is due to

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  15. When cold NaOH reacts with Cl(2) which of the following is formed

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  16. Hydrogens bonding does not play any role in boiling of

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  17. Which of the following species has four lone..

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  18. Amongst NO3^(-), AsO3^(3-), CO3^(2-), ClO3^(-), SO3^(2-) and BO3^(3-) ...

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  19. Which of the following set has the strongest tendency to form anions?

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  20. Which of the following sequence represents the correct increasing orde...

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