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Hydrogen bonding does not play role in t...

Hydrogen bonding does not play role in the boiling point of :

A

`NH_(3)`

B

`H_(2)O`

C

`HI`

D

`HF`

Text Solution

Verified by Experts

The correct Answer is:
D
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Hydrogens bonding does not play any role in boiling of

In general boiling point of covalent compounds is affect due to increasing molecular weight and hydrogen bonding. Thus it is obversed that the boiling point of octanol is greater that water while that of methanol is lesser than water. The other properties which are considerably affected due to hydrogen bond formation are acidic nature, melting point, anamalous behaviour of water below 4^(@)C ., It is therefore concluded that hydrogen bonding palys a vutal role in explaning many observable facts. Q. Which among the following has maximum boiling point?

In general boiling point of covalent compounds is affect due to increasing molecular weight and hydrogen bonding. Thus it is obversed that the boiling point of octanol is greater that water while that of methanol is lesser than water. The other properties which are considerably affected due to hydrogen bond formation are acidic nature, melting point, anamalous behaviour of water below 4^(@)C ., It is therefore concluded that hydrogen bonding palys a vutal role in explaning many observable facts. Q. Which of the following statements is true?

The hydrogen bond is an electrostatic attractive force between covalently bonded hydrogen atom of one molecule and an electronegative atom like (F,O,N) of other molecule. Hydrogen bond is nearly an electrostatic attractive force and not a normal chemical bond. It is very weak (2-10 kcal/mol) as compared to a colvent bond (strength 50-100 kcal/mol). In intramolecular hydrogen bonding, the two or more than two molecules of the same or different substances are linked to form polymeric aggregate. Intermolecular hydrogen bonding increases the boiling point of the compound and also its solubility in water. Intramolecular hydrogen bonding occurs within two atoms of the same molecule. Intramolecular hydrogen bonding is also called chelation, since it involves ring formation. intramolecular hydrogen bonding decreases the boiling point of the compound and also its solubility in water. Which among the following has lowest boiling point?