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Which of the following are Lewis acids? ...

Which of the following are Lewis acids? `H_2O, BF_3, H^+ and NH_4^+`

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`BF_(3) and H^(+)` are Lewis acids.
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Why does BF_3 behave as Lewis acid?

Classify the following species into Lewis acids and Lewis bases and show how these act as Lewis acid/base: (1) OH^(-) (2) F^(-) (3) H^(+) (4) BCl_(3) .

Which of the following have zero dipole moment and why? CO_(2),CHCl_(3),C Cl_(4),H_(2)O,p(CH_(3)C_(6)H_(4)CH_(3)),BF_(3),NH_(3) .

Is there any change in hybridisation of B and N atoms as a result of the following reaction? BF_3 + NH_3 rarr F_3. NH_3

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Balance the following equations Fe + H_2O to Fe_3O_4 + H_2

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Why BF_3 acts as a Lewis acid?

CHHAYA PUBLICATION-EQUILIBRIUM-SOLVED NCERT EXERCISE
  1. The reaction CO(g)+3H(2)(g) hArr CH(4)(g)+H(2)O(g) is at equilibrium a...

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  2. What is meant by the conjugate acid-base pair? Find the conjugate acid...

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  3. Which of the following are Lewis acids? H2O, BF3, H^+ and NH4^+

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  4. What will be the conjugate bases for the Bronsted acids: HF,H(2)SO(4) ...

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  5. Write the conjugate acids for the following Bronsted bases: NH(2)^(-),...

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  6. The species: H(2)O,HCO(3)^(-),HSO(4)^(-) and NH(3) can act both as Bro...

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  7. Classify the following species into Lewis acids and Lewis bases and sh...

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  8. The concentration of hydrogen ion in a sample of soft drink is 3.8xx10...

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  9. The pH of a sample of vinegar is 3.76. calculate the concentration of ...

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  10. The ionisation constant of HF< HCOOH and HCN at 298K are 6.8xx10^(-4),...

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  11. The ionisation constant of phenol is 1.0xx10^(-10). What is the concen...

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  12. The first ionisation constant of H(2)S is 9.1xx10^(-8). Calculate the ...

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  13. The ionisation constant of acetic acid is 1.74xx10^(-5). Calculate the...

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  14. It has been found that pH of a 0.01 (M) solution of an organic acid is...

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  15. Assuming complete dissociation, calculate the pH of the following solu...

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  16. Assuming complete dissociation, calculate the pH of the following solu...

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  17. Calculate the pH of 0.002(M) HBr solution

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  18. 0.002(M) KOH

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  19. Calculate the pH of the following solution: 2g of TIOH dissolved in ...

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  20. Calculate the pH of the following solution: 0.3 g of Ca(OH)(2) disso...

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