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Identify the compound A, X and Z in the ...

Identify the compound A, X and Z in the following.

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`H_3underset (X) BO_3 overset (Heat) underset (370K) to HBO_2 overset (Hat) underset ( gt 370K) to B_2 underset (Z) O_3`
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PATHFINDER-SOME P-BLOCK ELEMENTS-QUESTION BANK
  1. What happens when Silicon is heated with methyl chloride at high tempe...

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  2. Identify the compound A, X and Z in the following. A+2HCl+5H2O to 2N...

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  3. Identify the compound A, X and Z in the following.

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  4. Complete the following: ---+3LiAiH4 to ---+3LiF+3AiF3

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  5. Complete the following: ---+6H2O to---+6H2

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  6. Complete the following: ---+3O2 overset (triangle) to B2O3+3H2O

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  7. Describe the shapes of BF3 and BF4^

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  8. Is boric acid a protonic acid ? Explain.

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  9. What is importance of highly pure silicon? How can it be prepared?

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  10. Alkanes are large in number but Sillanes are comparatively few- Why?

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  11. What are silicates? Give one example each of orthosilicate and pyrosil...

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  12. What happens when (Give equation) Calcium carbonate is strongly heat...

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  13. What happens when (Give equation) Carbon monoxide gas is passed oven...

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  14. Why is the CO2 molecule non polar?

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  15. Write down the condition and equation of the reaction between ammonia ...

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  16. A mixture of CO and CO2 gas is there. How would you convert the whole ...

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  17. A mixture of CO and CO2 gas is there. How would you convert the whole ...

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  18. Which compound on heating gives pure BF3?

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  19. What are Carbogen and smelling salt? Give one use of each of them.

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  20. Between AIF3 and AlCl3 which has greater melting point?

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