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R G PUBLICATION-THE p-BLOCK ELEMENTS-EXERCISE
- Give the disproporationation reaction of H3PO3.
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- Discuss the stability of various oxidation states of element of chalco...
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- How oxides are classified? Give one example of each oxide.
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- High concentration of ozone is highly explo-sive. Why?
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- Knowing the electron gain enthalphy values for OrarrO^- and O rarrO^2-...
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- Discuss the role of chemical factors which deptets ozone layer.
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- Why does O3 act as a powerful oxiding agent? How is O3 estimated quant...
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- Write two differences between rhombic sulpher and monoclinic sulpher.
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- Comment on the nature of S-O bonds formed in SO2 molecule. Are these b...
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- How is SO2 an air pollutant?
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- Describe the conditions of maximum yield of SO3 by contact process in ...
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- Write the formula of carnallite and fluoroaptite.
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- Account for the following: Halogen are coloured.
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- Why fluorine shows only one oxidation state of (-1)?
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- Discuss the various factors which affect the decreasing oxidising abil...
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- How Cl2 is prepared without heating? How it is prepared electrolytical...
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- How gold ornaments are cleaned by aqua re-gia? Write the reactions inv...
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- Draw the structures of chloric acid & per chloric acid. Which is more ...
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- Why the noble gases have very low boiling points?
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- Why xenon forms compound?
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