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BETTER CHOICE PUBLICATION-THE P-BLOCK ELEMENTS-QUESTION BANK
- Define inert pair effect.
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- Unlike "In"^+, Tl^+ is most stable with respect to disproportionation...
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- Explain inert pair effect with example.
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- A mixed oxide of iron and chromium, FeO.Cr2O3 is fused with sodium car...
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- Bismuth is a strong oxidising agent in the pentavalent state.
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- Explain why the first elements of a group differ from other elements o...
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- Why does Nitrogen show anomalous behaviour in its group ?
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- Nitrogen exists as diatomic molecule and phosphorous acts as tetra ato...
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- Why does the reactivity of nitrogen differ from phosphorus?
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- Give reasons for the low reactivity of nitrogen molecule.
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- Why does NH3 form hydrogen bond but PH3 does not?
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- PH3 has lower boiling point than NH3. Why?
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- Although fluorine is much more electronegative than hydrogen yet the d...
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- NCl3 is an endothermic compound while NF3 is an exothermic compound. e...
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- Explain some important characteristics of white and yellow phosphorus.
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- Why does nitrogen show catenation properties less than phosphorus ?
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- Unlike Phosphorus, nitrogen shows little tendency for catenation. Why?
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- Though nitrogen exhibits + 5 oxidation state, it does not form penta-h...
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- In the structure of HNO3 molecule, N-O bond (121 pm) is shorter that N...
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- SF6 molecule is kinetically an inert substance. Explain why?
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