Question

Determine the oxidation states of the bold-faced elements in each of the following compounds.
a. K2Cr2O7
b. NaClO4
c. H2SO3
d. Fe2O3
e. Mg(NO3)2
f.Ba(IO3)2
g. H3PO4

Answer 1

oxidation states of elements:

a. K2Cr2O7 K⁺, Cr⁺⁶, O^-2

b. NaClO4 Na⁺, Cl⁺⁷, O^-2

v. H2SO3 H⁺, S⁺⁴, O^-2

d. Fe2O3 Fe⁺³, O^-2

e. Mg (NO3) 2 Mg⁺², N⁺⁵, O^-2

f.Ba (IO3) 2 Ba⁺², I⁺⁵, O^-2

g. H3PO4 H⁺, P⁺⁵, O^-2