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Which of the following can act as a lewi...

Which of the following can act as a lewis acid ?

A

`H_2O`

B

`B(OH)_3`

C

`BF_3`

D

Both (2) & (3)

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The correct Answer is:
D
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AAKASH INSTITUTE ENGLISH-EQUILIBRIUM-EXERCISE
  1. In which of the following case pH is greater than 7 ?

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  2. The compound that is not a Lewis acid is

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  3. The pH of a solution obtained by mixing 100 ml of 0.2 M CH3COOH with 1...

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  4. With increases in temperature pH of pure water

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  5. The pH of a solution increased from 3 to 6. Its [H^(o+)] will be

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  6. Which pair will show common ion effect ?

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  7. The pH of solution at 25^@C which has twice as many hydroxide ion as i...

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  8. Fear or excitement, generally cause one to breathe rapidly and it resu...

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  9. Which of the following can act as a lewis acid ?

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  10. Which of the following is an Arrhenius base ?

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  11. For a MX2 type salt if K(sp) is solubility product, then solubility ...

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  12. The compound whose 0.1 M solution is basic is

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  13. The correct order of increasing solubility of AgCI in (A) water (B...

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  14. The solubility of AgCI is

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  15. If the Kb value in the hydrolysis reaction B^(+)+H2O hArr BOH +H^+ ...

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  16. Which of the following increasing order of pH of 0.1 M solution of the...

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  17. The dissociation constant of a weak acid HA and weak base BOH are 2 x...

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  18. K(sp) of Mg(OH)2 is 4.0 xx 10^(-12). The number of moles of Mg^(2+) io...

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  19. If the solubility of Al2(SO4)3 is S , then its solubility product is

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  20. Which of the following is correct for the solution of the salt of weak...

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