Which of the following statements is incorrect?

Options

A. The stability constant of `[Co(NH_(3))_(6)]^(3+)` is greater that of `[Co(NH_(3))_(6)]^(2+)`
B. The cyano complexes are far more stable than those formed by halide ions
C. The stability of halide complexes follows the order `I^(-) lt Br^(-) lt Cl^(-)`
D. The stability constant of `[Cu(NH_(3))_(4)]^(2+)` is greater than that of `[Cu(en)_(2)]^(2+)`

Answer

B