The trend of basicity of lanthanoid hydroxides:

increases across the lanthanoid series

No worries! We‘ve got your back. Try BYJU‘S free classes today!

decreases across the lanthanoid series

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

first increases and then decreases

No worries! We‘ve got your back. Try BYJU‘S free classes today!

first decreases and then increases

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C decreases across the lanthanoid series
On moving from left to right in the lanthanoid series, size of the elements decreases thereby increasing the polarising power of the cation and hence the basicity of lanthanoid hydroxides decreases.

Suggest Corrections

Similar questions

a (O H)_{3}

L u (O H)_{4}

L u^{3 +}, Y b 6 2 +, C e^{4 +}

Lanthanoid contraction is due to increase in:

Join BYJU'S Learning Program