St. Britto Hr. Sec. School - Madurai
12th Chemistry weekly Test - 2 ( Transition and Inner Transition Elements )-Aug 2020
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Why do transition metals have high enthalpy of hydration?
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Why do zirconium and Hafnium exhibit similar properties?
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What is lanthanide contraction and what are the effects of lanthanide contraction?
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What are actinides? Give three examples.
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Explain the oxidation states of 3d series elements.
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Justify the position of lanthanides and actinides in the periodic table.
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Justify the position of lanthanides and actinides in the periodic table.
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Explain why compounds of Cu2+ are coloured but those of Zn2+ are colourless.
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What are inner transition elements?
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Which is the most common oxidation state of lanthanoides?
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Explain why compounds of Cu2+ are coloured but those of Zn2+ are colourless.
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Describe the preparation of potassium dichromate.
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Which metal in the 3d series exhibits +1 oxidation state most frequently and why
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Calculate the magnetic moment of Fe3+ ion (Atomic no. of Fe = 26)