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Select Lewis acid and Lewis base from th...

Select Lewis acid and Lewis base from the following :
`Cu^(2+) , H_(2)O, BF_(3),OH^(-)`

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DINESH PUBLICATION-EQUILIBRIUM-Very Short Answer Question
  1. Water is amphoteric according to which concept?

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  2. Write the conjugate acid and base for H(2)O

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  3. Define pH value of a solution.

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  4. Can a neutral solution have pH equal to 7 at all the temperature ?

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  5. Write conjugate acid for the following : "(i) " C(2)H(5)NH(2) " ...

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  6. Can we prepare a solution with pH more than 14 ?

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  7. Give an example of acidic buffer.

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  8. Lewis acids are called electrophiles. Why?

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  9. Select Lewis acid and Lewis base from the following : Cu^(2+) , H(2)...

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  10. Mention the conjugate acid for each of the following : OH^(-),CH(3)C...

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  11. Arrange the following in increasing order of base strength. KOH, NH(...

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  12. On the basis of the pH values classify the following as strong acids, ...

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  13. AICI(3) is the an acid according to which concept ?

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  14. Give two example of cations which can act as Lewis acids.

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  15. Define solubility product.

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  16. Write the solubility product expression for : (i) BaCO(3) (s) hArr B...

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  17. When does a salt get precipitated in solution ?

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  18. The K(sp) value of a salt is high. What does it indicate ?

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  19. Out of pure water and 0.1 M KCI in which silver chloride will dissolve...

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  20. Out of ZnS and CuS which has more K(sp) value ?

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