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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
- Express 2170 in roman numbers.
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- In the reaction : CrO4^(2-) + X rarr Cr2O7^(2-), X is
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- In which of the following pairs, the atomic size is almost the same ?
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- The hybridisation of Cr in Cr2O7^(2-) ion is
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- In alkaline medium, equivalent weight of KMnO4 is ,
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- What is lanthanoid contraction ?
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- In acidic medium the equivalent weight of K2Cr2O7, is :
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- Ammonium dichromate is used in fireworks. The green coloured powder bl...
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- The number of moles of KMnO4 that will be needed to react with one ...
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- The number of unpaired electrons in Ni^(2+) is :
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- The electronic configuration of terbium (IV) (At. No. 65) is
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- Which of the following statement is not correct ?
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- In the standardisation of Na2S2O3 using K2Cr2O7 by iodometry, the equi...
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- Give-one reaction in each case to show that H(2)O(2) is an reducin...
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- The basic character of the transition metal monoxides follows the orde...
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- The correct order of ionic radii of Y^(3+), La^(3+), Eu^(3+) and Lu^(3...
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- In which of the following pairs, both the ions are coloured in aqueous...
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- The number of moles of KMnO4 that will be needed to react with one ...
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- Which one of the following ions will exhibit colour in aqueous solutio...
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- The correct order of decreasing second ionisation enthalpy of Ti (22),...
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