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Consider the compounds, BCl(3) and C Cl(...

Consider the compounds, `BCl_(3)` and `C Cl_(4)`.How will they behave with water? Justify.

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Being a Lewis acid, `BCl_(3)` readily undergoes hydrolysis. Boric acid is formed as a result.
`BCl_(3)+3H_(2)Orarr3HCl+B(OH)_(3)`
`C"C"l_(4)` completely resists hydrolysis. Carbon does not have any vacant orbital. Hence, it cannot accept electrons from water to form an intermediate. When `C"C"l_(4)` and water are mixed, they form separate layers.
`C"C"l_(4)+H_(2)Orarr`No reaction
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NCERT-THE P-BLOCK ELEMENTS -EXERCISE
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  2. Why does boron trifluoride behave as a Lewis acid?

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  3. Consider the compounds, BCl(3) and C Cl(4).How will they behave with w...

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  4. Is boric acid a protic acid? Explain.

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  5. Explain what happens when boric acid is heated.

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  6. Describe the shapes of BF(3) and BH(4)^(ө). Assign the hybridisation o...

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  7. Write reaction of justify amphoteric nature of aluminium.

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  8. What are electron-deficient compounds? Are BCl(3) and SiCl(4) electron...

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  9. Write the resonance structure of CO(3)^(2-) and HCO(3)^(ө).

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  10. What is the state of hybridisation of carbon in (a)CO(3)^(2-), (b) dia...

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  13. Suggest reasons why the B–F bond lengths in BF(3) (130 pm) and BF(4 )^...

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  14. If B-Cl bond has a dipole moment, explain why BCl(3) molecule has zero...

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  15. AlF(3) is insoluble in anhydrous HF but dissolves on addition of NaF. ...

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  16. Suggest a reason as to why CO is poisonous.

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  18. Explain structures of diborane and boric acid.

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