Question

Calculate individual and average oxidation number (if required) of the marked element of the following compounds.

(1) $F NO _{3}$

(2) $CaOCl _{2}$

(3) $\underline{ Xe } O _{3} F _{2}$

(4) $Li Al H _{4}$

(5) $Na _{3} AlF _{6}$

(6) $\underline{P}_{4}$

(7) $\underline{ O }_{3}$

(8) $I _{(14}\left( IO _{3}\right)_{3}$

(9) $Fe _{3} O _{4} \quad$ (10) $CsI _{3}$

(11) $KO _{3}$

(12) $\underline{O}_{2} F_{2}$

(13) $H _{2} \underline{ SiF }_{6}$

(15) $POCl _{3}$

(16) $\underline{ Si }( OH )_{4}$

(17) $Mg _{2} \underline{ C }_{3}$

(18) $Ca _{2}$

(19) $Be _{2} \underline{ C }$

Answer 1

Individual and average oxidation number of the marked element of the above compounds are below —

(1) +5

(2) 0 (-1, +1)

(3) +8

(4) +3

(5) +3

(6) 0 (0,0,0,0)

(7) 0 (0,-1, +1) (8) +3,+5

(8) +3, +5

(9) 8/3 (+2, +3)

(10) –1/3

(11) –1/3

(12) +1 (+1, +1)

(13) +4

(14) +3

(15) +5

(16) +4

(17) –4/3 (0, –4, 0)

(18) –1 (–1, –1)

(19) –4