List of top Chemistry Questions on d -and f -Block Elements asked in AIPMT

Magnetic moment 2.84 B.M. is given by (At. nos, Ni=28, Ti=22, Cr=24, Co=27)

Gadolinium belongs to 4f series. It's atomic number is 64. Which of the following is the correct electronic configuration of gadolinium ?

Magnetic moment 2.83 BM is given by which of the following ions? (At. no. Ti =22, Cr=24, M n=25, N i=28)

Which of the following exhibits only + 3 oxidation state ?

Identify the alloy containing a non-metal as a constituent in it

Which one of the following ions has electronic configuration $[Ar] 3d^6 ? $ (At.no. $Mn =25, Fe = 26,Co =27, Ni = 28)$

Which one of the following ions is the most stable in aqueous solution? (At. no. $Ti = 22, V = 23, Cr = 24, Mn = 25$ )

Zn gives $H_2$ gas with $H_2SO_4$ and HCI but not with $HNO_3$ because :-

General electronic configuration of lanthanides are

Which one of the following ionic species will impart colour to an aqueous solution ?

When $(NH_4)_2Cr_2O_7 $ is heated, the gas evolved is

When $CuSO_4 $ is electrolysed using platinum electrodes?

Lanthanoid contraction is caused due to