Home
Class 12
CHEMISTRY
Assertion (A) : Whenever half-filled or ...

Assertion (A) : Whenever half-filled or fully filled configuration of the metal is disturbed after removing the electrons, a high value of I.E. is observed.
Reason (R) : Paramagnetic substances are repelled by the magnetic field where as diamagnetic substances are attracted by the magnetic field.

A

Both Assertion (A) and Reason (R) are correct statements, and Reason (R) is the correct explanation of the Assertion (A).

B

Both Assertion (A) and Reason (R) are correct statements, but Reason (R) is not the correct explanation of the Assertion (A).

C

Assertion (A) is correct, luut Reason (R) is incorrect statement.

D

Assertion (A) is incorrect, but Reason (R) is correct statement

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • THE D-AND F-BLOCK ELEMENTS

    U-LIKE SERIES|Exercise LONG ANSWER QUESTIONS-II (5 marks each)|21 Videos
  • SURFACE CHEMISTRY

    U-LIKE SERIES|Exercise SELF ASSESSMENT TEST ( SECTION A)|7 Videos
  • THE P-BLOCK ELEMENTS

    U-LIKE SERIES|Exercise SELF ASSESSMENT TEST ( SECTION A)|7 Videos

Similar Questions

Explore conceptually related problems

Assertion : Diamagnetic substances are not attracted by magnetic field. Reason : Diamagnetic substances have no unpaired electrons.

Assertion:Paramagneic substances get poorly attracted in magnetic field. Reason: Because magnetic dipoles are aligned along external magnetic field weakly.

Assertion:Iron, cobalt, nickel and CrO_2 are called ferromagnetic substances . Reason:Ferromagnetic substances are weakly attracted by magnetic field

Assertion In water, value of magnetic field decreases. Reason: Water is a diamagnetic substance. When diamagnetic material is placed in

Assertion: Paramagnetic substances get weakly attracted to a magnet. Reason: They have tedency to from a region of strong magNetic field to weak magnetic Held.

A: Superconducting magnets are gainfully exploited in running magnetically levitated superfast trains. R: Superconductors are diamagnetic substances which get repelled by strong external magnetic field.

A perfectily diamagnetic sphere has a small spherical cavity at its centre, which is filled with a paramagentic substance. The whole system is places in a uniform magnetic field vecB Then the field inside the paramagnetic substance is