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प्रश्न
The elements of 3d transition series are given as: Sc Ti V Cr Mn Fe Co
Answer the following: Which element is a strong oxidising agent in +3 oxidation state and why?
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उत्तर
Mn is a strong oxidising agent in the +3 oxidation state because it achieves the stable 3d5 configuration in the +2 oxidation state.
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संबंधित प्रश्न
The elements of 3d transition series are given as: Sc Ti V Cr Mn Fe Co
Answer the following: Write the element which shows maximum number of oxidation states. Give reason.
Comment on the statement that elements of the first transition series possess many properties different from those of heavier transition elements.
Why do transition elements show variable oxidation states ? In 3d series (Sc to Zn), which elements shows the maximum number of oxidation state and why ?
Explain why Mn2+ is more stable than Fe2+ towards oxidation to +3 state. (At. no. of Mn = 25, Fe = 26)
Why does copper not replace hydrogen from acids?
The complex showing a spin-span magnetic moment of 2.82 B.M. is :-
A complex in which dsp2 hybridisation takes place is ______.
Assertion (A): Transition metals have high enthalpy of atomisation.
Reason (R): Greater number of unpaired electrons in transition metals results in weak metallic bonding.
What is the oxidation state of chromium in chromate ion and dichromate ion?
Explain the magnetic properties of d-block (or transition) elements.
