1.

Consider the elements : Cs, Ne, I and F only : (a) Identify the element that exhibits only – ve oxidation state. (b) Identify the element that exhibits only + ve oxidation state. (c) Identify the element that exhibits both + ve and – ve oxidation states. (d) Identify the element which neither exhibits – ve nor + ve oxidation state.

Answer» WERS are :a) FB) CSC) ID) NE.


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