JEE PYQ: P Block Elements Question 30
Question 30 - 2020 (06 Sep Shift 1)
The correct statement with respect to dinitrogen is:
(1) $\text{N}_2$ is paramagnetic in nature.
(2) it can combine with dioxygen at $25$ $^\circ$C.
(3) liquid dinitrogen is not used in cryosurgery.
(4) it can be used as an inert diluent for reactive chemicals.
Show Answer
Answer: (4)
Solution
(a) $\text{N}_2$ is diamagnetic in nature. (b) $\text{N}_2 + \text{O}_2 \xrightarrow{2000\text{K}} \text{NO}(g)$. (c) Liquid $\text{N}_2$ is used in cryosurgery. (4) Because of its inertness, it is used where an inert atmosphere is required.
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