MolSynapsequestion bank

MolSynapse / Question bank / Solid State / Electrical and magnetic properties of solids

JEE Advanced levelSingle correct optionDifficulty 3 of 3ss218

A paramagnetic salt obeys Curie's law, $χ \propto 1/ T$ . Its magnetic susceptibility at $150 K$ is $8.0 \times 1 0^{- 3}$ (SI, arbitrary units). Its susceptibility at $400 K$ is

A $1.2 \times 1 0^{- 3}$
B $2.1 \times 1 0^{- 2}$
C $8.0 \times 1 0^{- 3}$
D $3.0 \times 1 0^{- 3}$

Answer: D

Curie's law gives

χ_{1} T_{1} = χ_{2} T_{2}

. So

χ_{2} = 8.0 \times 1 0^{- 3} \times 150/400 = 3.0 e - 03

; susceptibility falls as the temperature rises since thermal motion disturbs alignment of the moments.

Practice Solid State More on Electrical and magnetic properties of solids

Previous questionNext question

More questions on Electrical and magnetic properties of solids

In magnetite, Fe3O4 (an inverse spinel), the tetrahedral sites hold one high-spin Fe^3+ and the octahedral sites hold one Fe^2+ and one Fe^3... JEE Advanced level
A 3d-series ion of charge +3 has a spin-only magnetic moment of 5.92 BM. The ion is JEE Advanced level
Three solids X, Y and Z have the following band structures: X has a filled valence band, an empty conduction band and a gap of 0.7 eV; Y has... JEE Advanced level
Using the spin-only formula, which of the following ions have a magnetic moment greater than 3.0 BM? JEE Advanced level
Which of the following statements about magnetic ordering are correct? JEE Advanced level