The oxidation number of nickel in K4[Ni(CN)4] is -

Related MCQs

• A complex compound in which the oxidation number of a metal is zero is -
• Oxygen has (+) oxidation number only in –
• Magnets attract magnetic substances are iron, nickel, cobalt, etc. They can also repel -
• When a spoon is to be electroplated with nickel the spoon is -
• Which of the following produces highest amount of energy upon oxidation?
• Nitrogen forms a variety of compounds in all oxidation states ranging from -
• An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is–
• The umber of neutrons present in an element having mass number 226 and atomic number 88 is–
• Atoms having the same number of protons but different number of neutrons are called :
• Atomic number of an atom gives the number of which of the following?