Which of the following is the weakest reducing agent
Which of the following has highest paramagnetic character
Transition metals show paramagnetism
Amongst $TiF_6^{2 - },CoF_6^{3 - },C{u_2}C{l_2}$ and $NiCl_4^{2 - }$ (Atomic number $Ti = 22,$ $Co = 27,$ $Cu = 29,$ $Ni = 28$). The colourless species are
Which of the following compounds show colour due to $d-d$ transition?