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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

${Cr}^{+ 2} \to {Cr}^{+ 3}$

$3 d^{4} 3 d^{3} (t_{2 g} Half-filled)$

$(R.A.) {Mn}^{+ 3} \to {Mn}^{+ 2}$

$3 d^{4} 3 d^{5} (Half-filled 'd' orbital). (O.A.)$

${Sc}^{+ 3}$ is diamagnetic
Diamagnetic substances are repelled by the applied magnetic field.

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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.