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ASSAM ACADEMIC CENTRE-The p-Block Elements-Example
- Show that H3PO3 is a diprotic (or dibasic) acid.
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- Give one chemical reaction to show that all the bonds in PCI5 molecule...
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- Why NO is paramagnetic in the gaseous but diamagnetic in solid and liq...
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- Answer the following: Bismuth is a strong oxidizing agent in the penta...
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- Give one chemical reaction to show the reducing property of SO2?
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- Ammonia is a good complexing agent. Why?
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- Why nitrogen does not form NCl5?
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- Why fluorine shows only one oxidation state of (-1)?
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- Define inter halogen compounds?
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- Write the preparation of XeF2?
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- Why fluorine is a powerful oxidising agent?
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- Iodine is more soluble in KI than in water. Why?
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- What is inert pair effect?
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- In the brown ring test (for identification of NO3). Write the formula ...
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- Why is white phosphorous more reactive than red phosphorous?
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- Mention the basicity of H3PO3.
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- Why HNO2 behaves as oxidising as well as reducing agent?
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- SF6 is used as a gaseous electrical insulator. Explain.
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- H2S is less acidic than H2Te.Why?
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- Why are elements of 16 group called Chalcogen?
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