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V PUBLICATION-The p-BLOCK ELEMENTS-QUESTION BANK
- Why does ozone act as a powerful oxidising agent?
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- How is 'O3' estimated quantitatively?
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- Mention three areas in which H2SO4plays an important role.
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- Write the conditions to maximise the yield of H2SO4 in contact process...
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- Why is Ka2 less than Ka1 for H2SO4 in water.?
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- Give the reason for the bleaching property of chlorine.
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- Name two poisonous gases that 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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- Balance the following equation: 'XeF6 + H2O -> XeO2F2 +HF
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- Why has it been difficult to study the chemistry of radon?
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- Discuss the general characteristics of Group 15 elements with referenc...
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- Why does the reactivity of nitrogen differ from phosphorus?
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- Discuss the trends in chemical reactivity of group 15 elements.
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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 resonating structures of NO2 and N2 O5
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- The HNH angle value is higher than HPH, HAsH and HSbH angles. Why?
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