Assertion: [Fe(H2O ) 6]2+ is sp3d2 hybridised and paramagnetic complex ion. Reason: [Fe(H2O)6]2+ has four unpaired electrons as H2O is a weak field ligand.

Question

Assertion: [Fe(H2O ) 6]2+ is sp3d2 hybridised and paramagnetic complex ion. Reason: [Fe(H2O)6]2+ has four unpaired electrons as H2O is a weak field ligand. (A) If both assertion and reason are true and reason is the correct explanation of assertion. (B) If both assertion and reason are true but reason is not the correct explanation of assertion. (C) If assertion is true but reason is false (D) If both assertion and reason are false.

Tardigrade Admin · Accepted Answer

Due to presence of unpaired electrons, it is paramagnetic in nature <img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/chemistry/513c1f89d0ff173a0b8a59f63124f4b1-.png" />

Q. Assertion : [Fe(H2​O)6​]2+ is sp3d2 hybridised and paramagnetic complex ion. Reason : [Fe(H2​O)6​]2+ has four unpaired electrons as H2​O is a weak field ligand.

If both assertion and reason are true and reason is the correct explanation of assertion.

If both assertion and reason are true but reason is not the correct explanation of assertion.

If assertion is true but reason is false

If both assertion and reason are false.

Due to presence of unpaired electrons, it is paramagnetic in nature

Q. Assertion : $[F e (H_{2} O)_{6}]^{2 +}$ is $s p^{3} d^{2}$ hybridised and paramagnetic complex ion.
Reason : $[F e (H_{2} O)_{6}]^{2 +}$ has four unpaired electrons as $H_{2} O$ is a weak field ligand.