Polyhalide Ions

Which of the following is a polyhalide ion ?

Which among the following does not 'form polyhalide ion?

Which halogen forms interhalogen compound but does not form polyhalide ion ?

Explain the following with proper reasons : (i) Fluorine cannot be prepared from fluorides by chemical oxidation. (ii) Fluorine does not from F_3^- (polyhalide) ion

Explain the following: (a) Dry chlorine does not bleach clothes. (b) Fluorine does not form F_(3)^(Ө) (polyhalide) ion. (c ) HF is least volatile and HCl is most volatile amongst hydrogen halides.

SNea || Reactions OF polyhalides

The correct order of pseudohalide , polyhalide and interhalogen are : (A) BrI_2^-,OCN^(-),IF_5 , (B) IF_5,BrI_2^-,OCN^(-) , ( C) OCN^(-),IF_5,BrI_2^(-) , (D) OCN^(-),BrI_2^(-),IF_5