Which of the following has a triple bond?

{C H}_{4}

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{C O}_{2}

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{N H}_{3}

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N_{2}

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O_{2}

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Solution

The correct option is D $N_{2}$
Option $D$ is the correct answer.
$N_{2}$ has five electrons in its outermost shell. Of them three forms bond, (a triple bond) with another Nitrogen atom (which also has five electrons in its outermost shell). Thus a nitrogen molecule has a triple bond between two nitrogen atoms and a lone pair on each nitrogen atom.

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Similar questions

How many covalent bonds are present in the following compounds?

(i) $C O_{2}$

(ii) $H_{2} O$

(iii) $C H_{4}$

(iv) $N_{2}$

(v) $N H_{3}$

Among

N_{2}, C l_{2}, N H_{3}, a n d O_{2}

a

\begin{matrix} Gas & a (L^{2} a t m m o l^{- 2}) N_{2} & 1.390 O_{2} & 1.360 N H_{3} & 4.170 C H_{4} & 2.253 \end{matrix}

C O_{2}, C H_{4}, C O, N H_{3}, water vapour, N_{2} O, O_{2}, S O_{2}, N_{2}, hydrofluorocarbons, O_{3}, C F C

N_{2}, {C l}_{2}, {N H}_{3}, O_{2}

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