Assertion A- The boiling point of HF is higher than that of H 2 O- Reason R- The hydrogen bond strength in HF is lower than that in H 2 O -A- A is false but R is trueB- A and R are true and R is the correct explanation of AC- A and R are true and R is not the correct explanation of AD- A is true- R is false

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Hydrides of Nitrogen

Assertion A: ...

Question

$Assertion - --------- -$ (A): The boiling point of HF is higher than that of $H_{2} O$ .
$Reason - ------ -$ (R): The hydrogen bond strength in HF is lower than that in $H_{2} O$ .

A and R are true and R is the correct explanation of A

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A and R are true and R is not the correct explanation of A

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A is true, R is false

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A is false but R is true

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Solution

The correct option is D
A is false but R is true

Due to stronger hydrogen bonding in water, it has a higher boiling point.

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$A s s e r t i o n - --------- -$ (A): The boiling point of HF is higher than that of $H_{2} O$
$R e a s o n - ------- -$ (R): The hydrogen bond strength in HF is lower than that in $H_{2} O$

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Assertion––––––––––– (A): The boiling point of HF is higher than that of H2O. Reason–––––––– (R): The hydrogen bond strength in HF is lower than that in H2O.

The correct option is D A is false but R is true Due to stronger hydrogen bonding in water, it has a higher boiling point.

$Assertion - --------- -$ (A): The boiling point of HF is higher than that of $H_{2} O$ .
$Reason - ------ -$ (R): The hydrogen bond strength in HF is lower than that in $H_{2} O$ .

The correct option is D
A is false but R is true

Due to stronger hydrogen bonding in water, it has a higher boiling point.