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R G PUBLICATION-THE p-BLOCK ELEMENTS-EXERCISE
- What is aqua regia?
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- Why interhalogens are more reactive than halogens?
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- Write the formula of the first noble gas compound.
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- In the solid phase of phosphorus penta chlo-ride the structure of cati...
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- Why fluorine formes only one oxacid HOF?
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- Write the structure of ICl4^-
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- In which one of the two structures NO2^(+) and NO2^(-) the bond angle ...
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- Give one chemical reaction to show that all the bonds in PCI5 molecule...
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- Ammonia is a good complexing agent. Why?
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- SF6 is used as a gaseous electrical isulator, explain.
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- Why are elements of 16 group called Chalcogen?
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- Concentrated nitric acid turns yellow on exposure to sunlight, why?
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- CIF3 exists but FCI3 does not why?
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- Answer the following: why is helium-oxygen mixture preferred over air ...
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- Give one use of CIF3
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- Why the N-O bond in NO2^- is short or than the N-O bond in NO3^-?
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- Both O2 and F2 stabilize high oxidation states but the ability of oxyg...
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- What will happen when: Water solution of phosphine is exposed to light...
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- What will happen when: Alumina reacts with aquous solution of sodium h...
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- What will happen when: Aque regia reacts with platinum?
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