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ASSAM ACADEMIC CENTRE-The p-Block Elements-Example
- Why acidic character of HCIO4 higher than HCIO3?
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- Answer the following: KHF2 is known but KHCl2 is not known. Give reaso...
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- Write the chemical reaction to show that concentrated H2SO4 is an oxid...
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- Write one chemical reaction to show that conc. H2SO4 is a dehydrating ...
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- In which one of the two structures NO2^(+) and NO2^(-) the bond angle ...
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- Why ammonia is a stronger base than phosphine?
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- PCI5 is ionic in nature in solid state. Why?
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- Mention the shape of PCI5.
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- 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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