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What is dry ice and why is it called so ...

What is dry ice and why is it called so ?

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### Step-by-Step Solution: 1. **Definition of Dry Ice**: - Dry ice is the common name for solid carbon dioxide (CO₂). 2. **Properties of Dry Ice**: - Unlike regular ice (which is solid water), dry ice does not melt into a liquid when heated. ...
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ICSE-SOME P-BLOCK ELEMENTS -SHORT ANSWER TYPE QUESTIONS
  1. With the help of a balanced chemical equation, show that B(OH)3 behave...

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  2. Write the resonance structures of CO(3)^(2-)" and "HCO(3)^(-).

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  3. What is dry ice and why is it called so ?

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  4. Write the names and electronic configuration of all the elements belon...

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  5. Why is the atomic radius of gallium smaller than that of aluminium?

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  6. How do the Density property vary on moving down the group 13?

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  7. How do the Melting and boiling points property vary on moving down the...

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  8. How do the Metallic character property vary on moving down the group 1...

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  9. Why are the second and third ionisation energies of group 13 elements ...

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  10. What is inert-pair effect? Illustrate with an example.

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  11. Why does the stability of + 3 oxidation state decrease on moving down ...

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  12. Atomic size increases down a group of the periodic table. Explain.

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  13. Why does gallium have higher ionisation energy than aluminium?

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  14. Boron does not form ionic compounds containing B^(2+) ions. Comment on...

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  15. In the structure of diborane,

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  16. Why do boron halides act as Lewis acids ?

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  17. Arrange BF3, BCl3, B Br3, BI3 in the decreasing order of Lewis acid ch...

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  18. Why is boron trifluoride a weaker Lewis acid as compared to B Br3 and ...

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  19. Discuss the structure of aluminium chloride.

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  20. Inspite of being electron deficient, boron halides do not exist as dim...

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