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NCERT TELUGU-THE P-BLOCK ELEMENTS -Exercises
- Write the balanced chemical equation for the reaction of Cl(2) with ho...
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- Discuss the general characteristics of Group - 15 elements with refere...
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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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- NH(3) forms hydrogen bonds but PH(3) does not - why ?
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- How is nitrogen prepared in the laboratory ? Write the chemical equa...
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- How is ammonia manufactured by Haber's process ? Explain the reactions...
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- Illustrate how copper metal can give different products on reaction wi...
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- Give the resonating structures of NO(2) and N(2)O(5).
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- The HNH angle is higher than HPH, HAsH and HSbH angles - Why ?
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- Why does R(3)P=O exist but R(3)B=O does not (R = alkyl group) ?
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- Explain why is NH(3) basic while "BiH"(3) is only feebly basic.
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- Nitrogen exists as diatomic molecule and phosphorus as P(4) - Why ?
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- Write the difference between the properties of white phosphorus and re...
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- Why does nitroggen show catenation properties less than phosphorus ?
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- Give the disproportionation reaction of H(3)PO(3).
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- Can PCl(5) act as an oxidising as well as a reducing agent? Justify.
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- Justify the placement of O, S, Se, Te and Po in the same group of the ...
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- Why is dioxygen a gas but sulphur a solid ?
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- Knowing the electron gain enthalpy values for O to O^(-) and O to O^(2...
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- Which aerosols deplete ozone?
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