Super alloys are usually
Iron based
Nickel based
Cobalt based
Based on all of these
Why do the transition elements exhibits variable oxidation states?
Write a note on halide compounds of transition elements.
Chloride of which of the following element is coloured
Assertion : Transition metals are good catalysts.
Reason : $V_2O_5$ or $Pt$ is used in the preparation of $H_2SO_4$ by contact process.
Least reactive metal is