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PATHFINDER-SOME P-BLOCK ELEMENTS-QUESTION BANK
- Why is dilute H2SO4 not used in the Laboratory preparation of CO2?
02:11
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- How can you separate CO from a mixture of CO and CO2?
03:07
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- Why SiCl4 behaves as a Lewis acid?
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- What are Zeolites?
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- What is tetra chloro silico methane? How it can be prepared from Silic...
04:46
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- What are Silicones? Why are they so called?
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- What are silicates?
15:00
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- Explains why CO2 is gaseous while SiO2 is a Solid?
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- Write two uses of Silicones.
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- Why BF6^(3-) does not exist, explain.
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- White fumes appear when bottles containing anhydrous AlCl3 is opened f...
01:55
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- Explain why Ga(+1) undergoes disproportionation reaction.
07:20
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- How the oxide of group 13 differ in their nature ? State with examples...
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- Why is atomic radius of Gallium less than that of Aluminium ?
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- How can borax be prepared from colemanite ?
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- Write the correct formula of borax and structure of it's anion.
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- Explain the phenomenon : "When phenolphethaline is added to aqueous so...
05:41
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- What is the shape of BO3^(-3) ion ?
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- How will BCI3 and CCI4 will react with water ?
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- What is the type of hybridisation of Boron in diborane ?
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