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Standard X

Chemistry

Polar Molecules

Which of the ...

Question

Which of the following exists as associated molecules due to hydrogen bonding?

N H_{3}

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H_{2} O

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H F

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H C l

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Solution

The correct options are
A $N H_{3}$
B $H_{2} O$
C $H F$
Due to good extent of hydrogen bonding (hydrogen bonding is more favoured if the hydrogen is attached to an electronegative atom) in A, B and C options, they exist in chains or in groups attached through hydrogen bonding.

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Similar questions

Q. Explain the hydrogen bonding in molecules of

H F,

H_{2} O

and

N H_{3}

Q. Which of the following exists as a liquid at room temperature only due to the formation of associated hydrogen bonded molecules?

Q. Represent with the help of neat diagrams hydrogen bonding if present in the molecules of

H F

- H_{2} O

H F

- {N H}_{3}

, aniline

-

aniline,

H_{2} O

- C_{2} H_{5} O H

H_{2} O

- {C H}_{3} {O C H}_{3}

H_{2} O

- H_{2} {S O}_{4}

H_{2} O

- N a C l

Question 04

Hydrogen bonds are formed in many compounds e.g., $H_{2} O, H F, N H_{3}$ . The boiling point of such compounds depends to a extent on the strength of hydrogen bond and the number of hydrogen bonds. The correct decreasing order of the boiling points above compounds is

(a) $H F > H_{2} O > N H_{3}$

(b) $H_{2} O > H F > N H_{3}$

(d) $N H_{3} > H_{2} O > H F$

Q. What type of bond exists between

H F

{N H}_{3}

C_{2} H_{5} O H

molecules

?

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Which of the following exists as associated molecules due to hydrogen bonding?

The correct options are A NH3 B H2O C HFDue to good extent of hydrogen bonding (hydrogen bonding is more favoured if the hydrogen is attached to an electronegative atom) in A, B and C options, they exist in chains or in groups attached through hydrogen bonding.

The correct options are
A $N H_{3}$
B $H_{2} O$
C $H F$
Due to good extent of hydrogen bonding (hydrogen bonding is more favoured if the hydrogen is attached to an electronegative atom) in A, B and C options, they exist in chains or in groups attached through hydrogen bonding.