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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
- Electronic configuration of a transition element X in +3 oxidation s...
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- The electronic configuration of Cu (II) is 3d^9 whereas that of Cu (I)...
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- Complete the following:
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- Generally transition elements form coloured salts due to the presence ...
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- On addition of small amount of KMnO4 to concentrated H2SO4, a green oi...
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- The magnetic nature of elements depends on the presence of unpaired el...
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- Which of following oxidation state is common for all lanthanide ?
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- Which of the following reactions are disproportionation reactions ? (...
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- The commercial name of calcium sulphate is-
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- There are 14 elements in actinoid series. Which of the following eleme...
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- The number of moles of KMnO4 that will be needed to react with one ...
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- Which of the following is amphoteric oxide? Mn2O7, CrO3, Cr2O3, CrO, V...
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- Gadolinium belongs to 4f series. It’s atomic number is 64. Which of th...
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- Interstitial compounds are formed when small atoms are trapped inside ...
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- The magnetic Moment is associated with its spin angular momentum and o...
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- How does KMnO4 act as a powerful oxidizing agent in neutral, alkaline ...
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- Which of the following statements is not correct ?
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- When acidified K2Cr2O7 solution is added to Sn^(2+) salts than Sn^(2+...
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- Fe shows an oxidation state of +1 in :
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- Why do elements in the same group have similar physical and chemical p...
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