Fill in the blanks by choosing the appropriate word(s) from those given in the brackets: [four…

Fill in the blanks by choosing the appropriate word(s) from those given in the brackets: [four, three, remains same, propane, $ns^{1-2}$, increases, six, propan-2-ol, $(n-1)d^{1-10}$, two, decreases, Clemmensen’s, Wolff-Kishner] The variation and magnitude of oxidation state in coordination complexes is due to the participation of inner ____ electrons in addition to outer ____ electrons.