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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
- Explain the following: NO2 dimerises to N2O4.
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- Give two methods of preparation of NH3 and three important uses of NH3...
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- Draw the structures of XeO4
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- Fluorine exhibits only - 1 oxidation state whereas other halogens exhi...
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- What is the oxidation number of central atom K2[Zn (OH)4 ]
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- Noble gases have low boiling points. Explain.
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- What are interhalogen compounds ? Give example.
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- What are the interhalogen compounds ? Why are these more reactive than...
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- Explain the manufacture of sulphuric acid by contact process.
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- Describe the commerical uses of sulphuric acid.
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- NH3 is a strong base but NF3 does not show any basic property. Why?
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- What is laughing gas ?
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- Draw the structure of XeF4 . What is the state of hybridisation of Xe ...
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- Why does bond angle decreases in the hydrides of nitrogen family while...
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- Why are halogens coloured ?
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- How will ozone oxidise the following : Lead sulphide to lead sulphate
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- How will ozone oxidise the following : Potassium nitrite to potassium ...
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- What is the oxidation number of central atom Mn3 (CO)12
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- What is tailing of mercury ?
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- All the five bonds in PCl5 are not equivalent justify.
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