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V PUBLICATION-THE p - BLOCK ELEMENTS-QUESTION BANK
- In some of the reactions, thallium resembles aluminium, whereas in oth...
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- When metal 'X' is treated with sodium hydroxide, a white precipitate (...
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- What do you understand by (a) Inert pair effect (b) allotropy (c) cate...
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- A certain salt X gives the following reactions (i) Its aqueous solutio...
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- Write balanced equation for B2H6+H2O rarr
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- Give one method for industrial preparationi and one for laboratory pre...
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- The aqueous solution of borax is
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- Boric acid is polymeric due to -----
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- Write the type of hybridisation of each carbon in the compound CH3-C...
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- Thermodynamically most stable allotrope of carbon is
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- The Elements of group 14 show ----- oxidation states
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- If the starting material for the manufacture of silicones is 'RSiCl3',...
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- How is carbon monoxide important in metallurgy?
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- What is the biological importance of H2 CO3 / HCO3^- equilibriu...
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- Give reasons: a. Silicon form compounds with coordination number of ...
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- Why does elemental silicon not form a graphite - like structure, where...
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- Silianes get easily hydrolysed whereas alkanes do not. Give reasons.
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- Diborane is an important hydride of Boron a. During a class room disc...
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- Carbon has śeveral allotropic forms. b. Prepare a short note on fulle...
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- Why does not silicon form an analogue of graphite? OR Why does element...
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