Which of the following is a bimolecular react | vedclass

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(B) bimolecular reaction is an elementary reaction that involves the simultaneous collision of two reactant species.$(A)$ $N_2 + 3H_2 \rightarrow 2NH_

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$2HI \rightarrow H_2 + I_2$

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(B) bimolecular reaction is an elementary reaction that involves the simultaneous collision of two reactant species.$(A)$ $N_2 + 3H_2 \rightarrow 2NH_3$ is a complex reaction involving $4$ molecules.$(B)$ $2HI \rightarrow H_2 + I_2$ is an elementary bimolecular reaction as it involves the collision of $2$ molecules of $HI$.$(C)$ $NH_4NO_2 \rightarrow N_2 + 2H_2O$ is a unimolecular decomposition.$(D)$ $2NO + O_2 \rightarrow 2NO_2$ is a termolecular reaction.Therefore, the correct option is $(B)$.

Which of the following is a bimolecular reaction?

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