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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
- The yellow solution (X) is
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- The yellow solution (X) is
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- Which of the following compounds will give a yellow precipitate with i...
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- The yellow solution (X) is
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- The oxidation state of Cr in compound CrO5 is
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- Describe the formation of Coal
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- Why is helium placed in p-block elements although its last electron en...
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- The atomic numbers of three lanthanide elements X,Y and Z are 65,68 a...
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- Ce (Z = 58) and Yb (Z = 70) exhibit stable +4 and +2 oxidation states ...
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- Which of the following statements is not true?
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- The questions given below consist of an Assertion and the Reason. Use ...
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- Assertion : Cuprous salts are diamagnetic. Reason : Cu has 3d-filled...
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- Electronic configuration of Fe^2+.........
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- Assertion : La(OH)3 is less basic than Lu(OH)3 . Reason : Basic charac...
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- Assertion : FeCl3 reacts with KCNS to give blood red colouration. Re...
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- 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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