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SHARAM PUBLICATION-D AND F BLOCK ELEMENTS-EXERCISE
- The catalyst used for olefin polymerisation is
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- The malleability and ductility of metals can be accounted due to
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- Write down the electronic configuration of gadolinium (Gd). Its atom...
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- Which of the following ions is most stable in aqueous solution ?
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- For the four successive transition elements (Cr, Mn, Fe and Co), the s...
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- Write the electronic configuration Nickel.
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- Why are most of the transition metal compounds are paramagnetic ?
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- Which of the d - block elements are not regarded as transition element...
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- Why Fe^3+ is more stable than Fe^2+ ?
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- Why are scandium salts colourless ?
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- Out of the following which one has more number of unpaired electrons ?...
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- Why enthalpy of atomisation Zn is the lowest in the first transition s...
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- Between Sc^(3+) and Cr^(3+) ion which will give colourless compound.
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- What is the general electronic configuration of d-block elements ?
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- Which metals form the alloy brass ?
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- When Ethylene reacts with alkaline solution of KMnO4 a dihydric alcoho...
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- What are alloys? Name an important alloy which contains some of the la...
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- Write the formula of one complex ion of Cu and Ni.
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- Why do transition elements exhibit variable oxidation states ?
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- Fill in the blanks : The first transition series starts with the eleme...
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