In the ground state of cobalt atom $(Z = 27)$ there are ....... unpaired electrons and thus the atom is.......
$2$, diamagnetic
$2$, paramagnetic
$3$, diamagnetic
$3$, paramagnetic
The correct formula of permanganic acid is
$(a)$ Answer the following questions :
$(i)$ Which element of the first transition series has highest second ionisation enthalpy ?
$(ii)$ Which element of the first transition series has highest third ionisation enthalpy ?
$(iii)$ Which element of the first transition series has lowest enthalpy of atomisation ?
$(b)$ Identify the metal and justify your answer.
$(i)$ Carbonyl $M(CO)_5$ $(ii)$ $MO_3F$
Which one of the following does not correctly represent the order of property indicated against it
$Cu(CN)_4^{2 - }$ is colourless as it absorbs light in
Find the species having the magnetic moment value of $5.92\ BM$