pBlock ElementsII 1 Question 37
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37. Amongst the trihalides of nitrogen, which one is least basic?
======= ####37. Amongst the trihalides of nitrogen, which one is least basic?
3e0f7ab6f6a50373c3f2dbda6ca2533482a77bed (a) $\mathrm{NF}_{3}$
(b) $\mathrm{NCl}_{3}$
(c) $\mathrm{NBr}_{3}$
(d) $\mathrm{NI}_{3}$
$(1987,1 \mathrm{M})$
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Solution:
- The electron withdrawing inductive effect of halogen decreases electron density on nitrogen, lowers basic strength. Since, fluorine is most electronegative, $\mathrm{NF}_{3}$ is least basic.
