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NCERT-THE P-BLOCK ELEMENTS-EXERCISE
- Comment on the nature of two S–O bonds formed in SO(2) molecule. Are t...
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- How is the presence of SO2 detected?
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- Mention three areas in which H2SO4 plays an important role.
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- Write the conditions to maximise the yield of H2SO4 by contact process...
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- Why is K(a(2)) ltlt K(a(1)) for H(2) SO(4) in water ?
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- Considering the parameters such as bond dissociation enthalpy, electro...
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- Give two examples to show the anomalous behavious of fluorine.
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- Sea is the greatest source of some halogens. Comment.
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- Give the reason for 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 ICI more reactive than I2?
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- Why is helium used in diving apparatus?
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- Balance the following equation: XeF6+H2OtoXeO2F2+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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