Paramagnetism is not exhibited by
$CuSO_4. 5H_2O$
$CuCl_2. 5H_2O$
$CuI$
$NiSO_4 ,6H_2O$
How would you account for the irregular variation of ionisation enthalpies (first and second) in the first series of the transition elements?
Compare the general characteristics of the first series of the transition metals with those of the second and third series metals in the respective vertical columns. Give special emphasis on the following points:
$(i)$ electronic configurations,
$(ii)$ oxidation states,
$(iii)$ ionisation enthalpies, and
$(iv)$ atomic sizes.
Which of the following statement is Correct
Find the species having the magnetic moment value of $5.92\ BM$
${V_2}{O_5}$ is useful as catalyst in