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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
- Sodium chloride is used to clear snow from roads. Explain.
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- Assertion : Zn^(2+) and Cu^(2+) are colourless. Reason : Both Zn^(2+) ...
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- Assertion : There is a continuous decrease in size among lanthanoids. ...
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- Assertion : Lanthanoids show a limited number of oxidation states wher...
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- Pt^(4+) is less/more stable than Ni^(4+) .
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- Match the element in Column I with the property mentioned in Column II
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- Find x in the following figures.
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- The answer to each of the following questions is a single- digit-integ...
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- The number of electrons present in the 4f-subshell of Gd (Z = 64) is
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- Write the iupac name of the compound : Li[Al H4]
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- The number of paramagnetic ions among Ti^(3+), Cr^(3+), Ti^(4+), Fe^(2...
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- The magnetic moment of a transition metal ion is found to be 4.90 BM. ...
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- The oxidation number of Mn in the product of alkaline oxidative fusion...
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- In neutral or faintly alkaline solution, 8 moles of permanganate anion...
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- 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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