1 Which of the following primary and secondary valencies are

Last updated: 7/2/2023

1 Which of the following primary and secondary valencies are not correctly marked against the compound a Cr NH3 6 Cl3 p 3 s 6 b K PtCl4 p 2 s 4 c Pt NH3 Cl p 2 s 4 d Cu NH3 4 SO4 p 4 s 4