Home
Class 12
CHEMISTRY
Assertion : The free gases Cr atom has s...

Assertion : The free gases `Cr` atom has six unpaired electrons.
Half-filled `'s'` orbital has greater stability.

A

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

B

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

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

Text Solution

Verified by Experts

The correct Answer is:
C

`""_24 Cr to [Ar] 3d^4 4s^2`
`Cr to [Ar] 3d^5 4s^1`
Full-filled s-orbital has greater stability.
Promotional Banner

Topper's Solved these Questions

  • THE d-AND f- BLOCK ELEMENTS

    ERRORLESS|Exercise Past Years Questions |55 Videos
  • SURFACE CHEMISTRY

    ERRORLESS|Exercise ASSERTION AND REASON|14 Videos
  • THE P -BLOCK ELEMENTS (NITROGEN, OXYGEN, HALOGEN AND NOBLE FAMILY)

    ERRORLESS|Exercise ASSERTION & REASON|22 Videos

Similar Questions

Explore conceptually related problems

The free gaseous Cr atom has six unpaired electrons. Half-filled s-orbital has greater stability.

Which has no unpaired electrons?

Assertion : O_(2) is paramagnetic. Reason : It has one unpaired electron.

The species which has four unpaired electron is:

The following pair of elements has half-filled d-orbitals

Which of the following has an unpaired electron in it

Which of the following has maximum unpaired electrons ?

In the grouns statem carbon atom has ow manuy unpaired electron (s0 ?