Number of pseudo halides among the following is
\(CN^{-} ,SCN^{-};CNO^{-};C_{2}O_{4}^{-2};S_{2}O_{3}^{-2};N_{3}^{-};I_{3}^{-},O_{2}^{-}\)

Which of the following is not a pseudo halide ion? 1) \(CNO^{-}\) 2) \(CN^{-}\) 3) \(SCN^{-}\) 4) \(S^{2-}\)

Find the number of mixed oxides among the following: Mn_(3)O_(4),Fe_(3)O_(4),Co_(3)O_(4),Mn_(2)O_(3),MnO_(2),Fe_(2)O_(3),NiO,CrO_(2),CrO_(3) ,

Number of gaseous oxides among the following at room temperature is: (a) N_(2)O (b) NO (c) N_(2)O_(3) (d) NO_(2) (e) N_(2)O_(5) (f) P_(4)O_(6) (g) P_(4)O_(10) (h) SO_(2) (i) SO_(3)

Which of the following can act as ambidentate ligand? I^(-),NO_(2)^(-),CN^(-),SCN^(-),C_(2)O_(4)^(2-),NH_(3),en,H_(2)O

Number of acidic oxides among the following is: (a) N_(2)O (b) NO (c) N_(2)O_(3) (d) N_(2)O_(4) (e) N_(2)O_(5) (f) P_(4)O_(6) (g) P_(4)O_(10) (h) SO_(3) (i) B_(2)O_(3) (j) CO

Number of acids having central atom in +3 oxidation state among the following is (a) HNO_(2) (b) HNO_(3) (c) H_(3)PO_(2) (d) H_(3)PO_(3) (e) H_(3)PO_(4) (f) H_(4)P_(2)O_(5) (g) H_(4)P_(2)O_(7) (h) H_(2)SO_(3) (i) H_(2)S_(2)O_(7) (j) H_(2)S_(2)O_(8) (k) H_(2)SO_(4)