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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-P-BLOCK ELEMENTS -GROUP 15 ELEMENTS (VERY SHORT ANSWER QUESTIONS)
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Play - Nitrogen molecule is highly stable - Why ?
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Play - Why are the compounds of bismuth more stable in +3 oxidation state ?
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Playing Now - What is allotropy ? Explain the different allotropic forms of phosphou...
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Play - How do you account for the inert character of dinitrogen ?
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Play - Explain the difference in the structures of white and red phosphorus.
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Play - How is alpha- black phosphorus prepared from red phosphorus ?
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Play - Write the difference between the properties of white phosphorus and re...
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Play - What is inert pair effect ?
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Play - Explain why is NH(3) basic while "BiH"(3) is only feebly basic.
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Play - Arrange the hydrides of group - 15 elements in the increasing order of...
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Play - PH(3) is a weaker base than NH(3) - Explain.
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Play - A hydride of group -15 elements dissolves in water to form a bbasic so...
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Play - What happens when white phosphorus is heated with conc. NaOH solution ...
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Play - NH(3) forms hydrogen bonds but PH(3) does not - why ?
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Play - The HNH angle is higher than HPH, HAsH and HSbH angles - Why ?
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Play - How do calcium phosphide and heavy water react ?
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Play - Ammonia is a good complexing agent - Explain with an example.
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Play - A mixture of "Ca"(3)"P"(2) and "CaC"(2) is used in making Holme's sign...
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Play - Which chemical compound is formed in the brown ring test of nitrate io...
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