Analysis shows that nickel oxide has the formula `Ni_(0.98)O`. What fractions of the nickel exist as `Ni^(2+)andNi^(3+)` ions ?

Analysis shows that nickel oxide has the formula Ni_(0.98)O_(1.00). What fractions of nickel exist as Ni^(2+) and Ni^(3+) ions?

Analysis shows that metal oxide has formnla M_(0.96)O_(1.00) What fractions of the metal exist as M^(2+) and M^(3+)

Experimentally it was found that a metal oxide has formula M_(0.98)O . Metal M is present in M^(2+) and M^(3+) in its oxide. Fraction of the metal which exists as M^(3+) would be

What is the oxidation state of Cr in K_(2)Cr0_(3)

The oxidation state of nickel in K_4[Ni(CN)_4] is .............. .

A substance has empirical formula CH_(2)O . Its molecular mass is 180. What is its molecular formula?

What is the oxidation state of S in H_2S_2O_7 and SO_3 ?

The sums of first and second jonization enthalpies and those of third and fourth ionization enthalpies of nickel and platinum are : Based on this information, write: The most common oxidation state for Ni and Pt and mention why they are common.

The mineral spinel has the moleculr formula Mg Al_2O_4 . In this oxide ions are present in ccp arrangement, Mg^(2+) ions occupy the tetrahedral voids while Al^(3+) ions occupy the octahedral voids. Calculate the percentage of octahedral voids occupied by Al^(3+) ions.