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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
- Which of the following ions has smallest radius ?
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- Draw lewis dot structure of nitrous acid HNO2
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- Draw lewis dot structure of CH4
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- Draw lewis dot structure of phosphoric acid H3PO4
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- Which metal has lowest melting point? Cs Hg Mn Cu
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- The maximum oxidation state of Os is ?
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- The outer shell electronic configuration of Gd (Z = 64) is
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- The stable oxidation state of Ce (Z = 58) is
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- What happens when: KMnO4 is heated at 746 K ?
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- Chromyl chloride is :
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- What is the maximum oxidation state shown by Manganese in its compound...
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- Complete the chemical reaction : S2O3^(2-)+ Cr2O7^(2-)+ H^(+) rarr
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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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