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ASSAM ACADEMIC CENTRE-The p-Block Elements-Example
- Write the conditions to maximize the yield of H2SO4 by contact process...
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- Give reasons: The bond dissociation energy of F2 is less than that of ...
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- Give two examples of anomalous behaviour of fluorine?
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- Sea is the greatest source of some halogens. Comment.
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- Explain the bleaching action of Cl2.
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- Name two poisonous gases which can be prepared from chlorine gas.
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- Why is ICL more reactive than I2?
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- Why is Helium used in diving apparatus?
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- Complete the following equation: XeF6 + H2O rarr.
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- Why has it been difficult to study the chemistry of radon?
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- Mention the general characteristics of groups 15 elements with referen...
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- Why does the reactivity of nitrogen differ from phosphorous?
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- Why does NH3 form hydrogen bond but PH3 does not?
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- How is nitrogen prepared in the laboratory? Write the chemical equatio...
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- How is ammonia manufactured industrially?
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- Illustrate how copper metal can give different products on reaction wi...
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- Give the reasonating structures of NO2 and N2O5.
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- Why does R3P=0 exist but R3N=0 does not?
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- Explain why NH3 is basic while BiH3 is only feebly basic.
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- Nitrogen exists as diatomic molecule and phosphorous as P4.
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