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NCERT TELUGU-THE P-BLOCK ELEMENTS -Intext Questions
- Write the order of thermal stability of the hydrides of group 16 eleme...
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- Why is H(2)O a liquid and H(2)S a gas ?
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- Which of the following does not react with oxygen directly ? Zn, Ti, P...
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- Complete the following reactions: (i) C(2)H(4)+O(2) to (ii) 4Al+3O...
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- Why does O(3) act as a powerful oxidising agent ?
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- How is O(3) estimated quantitatively ?
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- What happens when sulphur dioxide is passed through an aqueous solutio...
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- 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 SO(2) detected ?
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- Mention three areas in which H(2)SO(4) plays an important role.
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- Write the conditions to maximize the yield of H(2)SO(4) by contact pro...
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- Why is K(a(2)) lt lt 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 behaviour of flurine.
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- Sea is the greatest source of some halogens. Comment.
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- Give the reason for bleaching action of Cl(2) ?
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- Name some poisonous gases which can be prepared from chlorine gas.
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- Why is ICl more reactive than I(2) ?
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- Why is helium used in diving apparatus ?
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- Balance the following equation : XeF(6)+H(2)OtoXeO(2)F(2)+HF
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