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CHHAYA PUBLICATION-P-BLOCK ELEMENTS-VERY SHORT ANSWER - TYPE QUESTIONS
- Write the electronic configuration of Bi with noble gas core.
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- Write names of two important minerals of phosphorus.
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- Which one among the pnicogent is a typical metal ?
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- Which group - 15 elements has the lowest ionisation enthalpy ?
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- Which one of group - 15 elements has the lowest boiling point?
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- Which of the group - 15 hydrides is the strongest base ?
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- PCI(5) exists but NCI(5) does not. Why ?
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- Which one of group -15 hydrides is the stronger boiling points?
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- Which nitrogen halide does not undergo hydrolysis ?
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- Explain why N(2) is very less reactive at normal temperature .
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- Explain why NO(2) forms dimer .
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- H(3)PO(2) possess reducing property - why ?
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- How can it be proved that PH(3) possess basic property ?
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- R(3) P = O exists but R(3) N = O does not - why ?
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- How does PCl(5) exist in the solid state ?
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- Phosphoric acid is syrupy liquid - why ?
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- Explain why BiH(3) is the strongest reducing agent among the hydri...
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- Which group-16 elements has the highest electronegativity ?
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- Which of the group-15 hydrides has the highest electronegativity ?
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- H(2)S is more acidic than H(2)O why ?
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