The pair of isoelectronic species among the following is
(a) `N_(2)^+` and `CN^(-)`
(b) `O_(2)` and `N_(2)^(+)`
(c)`CO` and `N_(2)`
(d)`CN^(-)` and `O_(2)`

The number of paramagentic species among the following is O_(2), CO, N_(2), C_(2), CsO_(2), BaO_(2), CO_(2)

Compare the relative stabilities and magnetic behaviour of the following species (a) O_(2)^(Θ) and N_(2)^(o+) (b) O_(2)^(2-) and N_(2)^(Θ) (c ) O_(2)^(2-) and N_(2)^(2-) .

Which of the following species have the same bond order? (A) CN^(-) and CN^(+) (B) O_(2)^(-) and CN^(-) (C) NO^(+) and CN^(-) (D) CN^(-) and NO^(-)

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

Highest bond order among the following molecules C_(2) , N_(2), O_(2), F_(2) is for

Give the formulae of the stable binary compounds that would be formed by the combination of following pairs of elements. (a) Ca and N_(2) (b) Li and O_(2) (c ) Ca and Cl_(2) (d) K and O_(2)

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)

Give the formulae of the stable binary compounds that wouid be formed by the combination of following pairs of elements. (a) Mg and N_(2)" " (b) Li and O_(2) (c) Al" and "Cl_(2)" (d) K and "O_(2)

Which of the following species have same bond order and same shape (a) N_(3)^(Θ) (b) O_(3) (c ) CO_(2) (d) NO_(2)^(Θ) .