MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Bohr's Model of an Atom

The number of...

Question

The number of unpaired electrons in the complex ion $[C o F_{6}]^{3 -}$ is (atomic no. $C o = 27)$ :

A

0

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

B

2

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

C

3

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

D

4

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

Open in App

Solution

The correct option is D 4
Co(Z=27) has observed electronic configuration [Ar] $3 d^{7} 4 s^{2}$ . $C o^{3 +}$ has electronic configuration [Ar] $3 d^{6} 4 s^{0}$ . $[C o F_{6}]^{3 -}$ is a high spin complex and contains 4 unpaired electrons.

Suggest Corrections

thumbs-up

2

Similar questions

Q. The number of unpaired electrons in the complex ion

[C o F_{6}]^{3 -}

[Atomic number of

C o = 27

Q. The number of unpaired electrons in the complex ion

[C o F_{6}]^{3 -}

is
(Atomic number Co=27)

Q. Write the hybridisation and number of unpaired electrons in the complex

[C o F_{6}]^{3 -}

. (Atomic No. of Co

= 27

Q. The number of unpaired electrons in Co in the complex ion

{[C o {(C_{2} O_{4})}_{3}]}^{3 -}

is [Atomic number of

C o = 27

]

Q. (a) Write the formula of the following coordination compound :

Iron(III) hexacyanoferrate(II)

(b) What type of isomerism is exhibited by the complex

[C o (N H_{3})_{5} C l] S O_{4}

?

(c) Write the hybridisation and number of unpaired electrons in the complex [

C o F_{6}]^{3 -}

. (Atomic No. of Co = 27)

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Bohr's mode of an atom

PHYSICS

Watch in App

explore_more_icon

Explore more

Bohr's Model of an Atom

Standard X Physics

Join BYJU'S Learning Program

CrossIcon