Which of the following is wrong statement?
Ni(CO)4 has oxidation number +4 for Ni
Ni(CO)4 has zero oxidation number for Ni
Ni is metal
CO is gas
H2C2O4 + KMnO4 in acidic medium reacts to have change in oxidation number of Mn from
7 to 5
2 to 7
5 to 7
7 to 2
D.
7 to 2
In the above given reaction, change in oxidation number is from +7 to +2.
Frenkel and Schottky defects are
nucleus defects
non-crystal defects
crystal defects
nuclear defects