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Q.

Given below are two statements.
Statement I :  Cr2+is oxidising and Mn3+ is reducing in nature.
Statement II :  Sc3+ compounds are repelled by the applied magnetic field.
In the light of the above statements, choose the most appropriate answer from the options given below.

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a

Both statement I and statement II are correct.

b

Statement I incorrect but statement II is correct

c

Statement I correct but statement II is incorrect

d

Both statement I and statement II are incorrect

answer is D.

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Detailed Solution

Cr+2Cr+3

3d4 3d3(t2gHalf-filled)

(R.A.)Mn+3Mn+2

3d4 3d5(Half-filled 'd' orbital). (O.A.)

Sc+3 is diamagnetic
Diamagnetic substances are repelled by the applied magnetic field.

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