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Which among the following is a Lewis aci...

Which among the following is a Lewis acid?

A

`NH_3`

B

`BF_3`

C

`H_2O`

D

`NH_4+`

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • Which of the following is a Lewis acid?

    A
    `AICI_(3)`
    B
    `MgCI_(2)`
    C
    `CaCI_(2)`
    D
    `BaCI_(2)`

  • Which of thef following is not Lewis acid

    A
    `BF_(3)`
    B
    `AlCl_(3)`
    C
    `FeCl_(3)`
    D
    `PH_(3)`
    • AAKASH INSTITUTE ENGLISH-MOCK TEST 13-Exercise
    1. Which among the following is a Lewis acid?

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    2. The species which can act both as Bronsted acid and base is

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    3. An example of a strong electrolyte is

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    4. For a weak acid HA of concentration C(mol l^-1) and degree of dissocia...

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    5. In the given irreversible reaction, H2O+HCl to H3O^++Cl^- the species ...

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    6. pH of a 0.001 M NaOH solution will be

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    7. pH of a solution is 5. Thus. the concentration of hydroxyl ion in the ...

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    8. The dissociation constant of an acid, HA is 1 x 10^-5 The pH of 0.1 M ...

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    9. 100 mL of 0.01 M solution of NaOH is diluted to 1 litre. The pH of res...

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    10. At 80 ^(@ ) C , pure distilled water has [H3O^(+) ]= 1 xx 10 ^(-6) ...

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    11. The pH of a solution obtained by mixing 50 mL of 2N HCI and 50 mL of 1...

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

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    13. Ionic product of water increases, if

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    14. The hydrogen ion concentration of 0.1 M solution of acetic acid, which...

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    15. A monobasic weak acid solution which is 0.002 M has pH value equal to ...

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    16. In which of the following the solubility of AgCl will be minimum ?

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    17. If the solubility of Mg(OH)2 in water is S mol L^-1 then its Ksp will ...

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    18. Aqueous solution of sodium acetate is

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    19. An acidic buffer solution can be prepared by mixing the solutions of

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    20. Degree hydrolysis (h) of a salt of weak acid and a strong base is give...

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