R G PUBLICATION-THE p-BLOCK ELEMENTS-EXERCISE
- 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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- "Though size increases rapidly from N to P of group 15th elements but ...
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- Why does R3P=0 exist but R3N=0 does not?
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- Disuss the acidic characters of oxides of ni-togen and phoshorus.
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- How pure N2 gas is prepared in laboratory? Write the necessary equatio...
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- Discuss the optimum conditions for the manu-facture of ammonia.
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- How ammonia helps in the detection of metal ions is solution?
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- What will happen when lead nitrate is strongly heated? Write the neces...
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- How nitric acid is prepared by Ostwald method? Write the necessary rea...
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- Write two characteristics each from white phos-phorus and red phosphor...
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- Write the reaction for the laboratory prepara-tion of phosphine. How p...
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- What is Holme's signals? Write its use
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