Choose the correct statement.

Question

Choose the correct statement. (A) [Co(NH3)6]2+ is oxidised to diamagnetic [Co(NH3)6]3+ by the oxygen in air (B) Tetrahedral complexes are more stable than octahedral complexes (C) [Fe(CN)6]3- is stable but [FeF6]3- is unstable (D) The [Cu(NH3)4]2+ ion has a tetrahedral geometry and is diamagnetic

Tardigrade Admin · Accepted Answer

(b) Tetrahedral complexes are less stable than octahedral complexes.
(c)

[F e (CN)_{6}]^{3 -}

and

[F e F_{6}]^{3 -}

both are stable but former is more stable.
(d)

[C u (N H_{3})_{4}]^{2 +}

has square planar geometry and is paramagnetic

Q. Choose the correct statement.

$[C o (N H_{3})_{6}]^{2 +}$ is oxidised to diamagnetic $[C o (N H_{3})_{6}]^{3 +}$ by the oxygen in air

Tetrahedral complexes are more stable than octahedral complexes

$[F e (CN)_{6}]^{3 -}$ is stable but $[F e F_{6}]^{3 -}$ is unstable

The $[C u (N H_{3})_{4}]^{2 +}$ ion has a tetrahedral geometry and is diamagnetic

(b) Tetrahedral complexes are less stable than octahedral complexes.
(c) $[F e (CN)_{6}]^{3 -}$ and $[F e F_{6}]^{3 -}$ both are stable but former is more stable.
(d) $[C u (N H_{3})_{4}]^{2 +}$ has square planar geometry and is paramagnetic

Q. Choose the correct statement.

[Co(NH3​)6​]2+ is oxidised to diamagnetic [Co(NH3​)6​]3+by the oxygen in air

Tetrahedral complexes are more stable than octahedral complexes

[Fe(CN)6​]3− is stable but [FeF6​]3− is unstable

The [Cu(NH3​)4​]2+ ion has a tetrahedral geometry and is diamagnetic

(b) Tetrahedral complexes are less stable than octahedral complexes. (c) [Fe(CN)6​]3− and [FeF6​]3− both are stable but former is more stable. (d) [Cu(NH3​)4​]2+ has square planar geometry and is paramagnetic

$[C o (N H_{3})_{6}]^{2 +}$ is oxidised to diamagnetic $[C o (N H_{3})_{6}]^{3 +}$ by the oxygen in air

$[F e (CN)_{6}]^{3 -}$ is stable but $[F e F_{6}]^{3 -}$ is unstable

The $[C u (N H_{3})_{4}]^{2 +}$ ion has a tetrahedral geometry and is diamagnetic

(b) Tetrahedral complexes are less stable than octahedral complexes.
(c) $[F e (CN)_{6}]^{3 -}$ and $[F e F_{6}]^{3 -}$ both are stable but former is more stable.
(d) $[C u (N H_{3})_{4}]^{2 +}$ has square planar geometry and is paramagnetic