NEET Chemistry The p-Block Elements (XII) Questions Solved

BOARD

State reasons for each of the following :

(i) The N-O bond in NO2- is shorter than the N-O bond in NO3-.

(ii) SF6 is kinetically an inert substance.

(i) The resonating structure of NO2- and NO3- shows that in NO2- two bonds are sharing a double bond while in NO3-, 3 bonds are sharing a double bond. That's why NO2- has shorter bond than that of NO3-.

(ii) Because SF6 is showing steric hindrance due to 6 (six) fluorine at which make it unable to react further with any other atom.

Difficulty Level:

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