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Nitrous Oxide

Which of the ...

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Which of the following trihallides of nitrogen has the highest dipole moment, and why? 1) NF3; 2) NBr3; 3) NI3; 4) NCl3.

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Q. Assertion :Amongst the trihalides of nitrogen,

N F_{3}, N C l_{3}, N B r_{3}

N I_{3}, N F_{3}

is least basic. Reason: In

N F_{3}

, the fluorine has the highest value of electronegativity and thus the lone pair of electrons on N-atoms is strongly bound.

Read the above assertion and reason and choose the correct option regarding it.

Q. The figure above represents any of the four trihalides of nitrogenf,

N F_{3}, N C l_{3}, N B r_{3}

N I_{3}

, where the X represents the halogen atoms. Here is some additional information regarding the elements involved.

Element	Electronegativity	Atomic Radius
$N$	$3.0$	$70 p m$
$F$	$4.0$	$64 p m$
$C l$	$3.0$	$99 p m$
$B r$	$2.8$	$114 p m$
$I$	$2.5$	$133 p m$

Of the four nitrogen trihalides, only one is not a molecular dipole. Which one is the nonpolar molecule, and why is it nonpolar?

Q. The figure above represents any of the four trihalides of nitrogen,

N F_{3}, N C l_{3}, N B r_{3}

N I_{3}

X

represents the halogen atoms. Here is some additional information regarding the elements involved.

Element	Electronegativity	Atomic Radius
$N$	$3.0$	$70 p m$
$F$	$4.0$	$64 p m$
$C l$	$3.0$	$99 p m$
$B r$	$2.8$	$114 p m$
$I$	$2.5$	$133 p m$

Of the four introgen trihalides, only one is not a molecular dipole. Which one is the nonpolar molecule, and why is it nonpolar?

Q. The hydrolysis of

N F_{3}

doesn't takes place where as hydrolysis of

N B r_{3}

N I_{3}

N C l_{3}

Q. Which out of

N H_{3}

N F_{3}

has higher dipole moment and why?

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