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The correct statement with respect to dinitrogen is - (1) It can be used as an inert diluent for reactive chemicals (2) It can combine with dioxygen at 25°C (3) N2 is paramagnetic in nature (4) Liquid dinitrogen is not used in cryosurgery

1. (1) It can be used as an inert diluent for reactive chemicals
2. (2) It can combine with dioxygen at 25°C
3. (3) N2 is paramagnetic in nature
4. (4) Liquid dinitrogen is not used in cryosurgery

Correct answer: (2) It can combine with dioxygen at 25°C

Solution

Dinitrogen can react with dioxygen under certain conditions, such as at elevated temperatures, leading to the formation of nitrogen oxides, which is a significant reaction in combustion processes.

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