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In the aqueous solution of MgCl2-...

In the aqueous solution of `MgCl_2-`

A

The number of `Mg^(2+) and Cl^¯` ions are equal

B

The number of `Mg^(2+)` is half that of `Cl^¯` ions

C

The number of `Mg^(2+)` ions is double that of `Cl^¯` ions

D

None of these

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The correct Answer is:
B
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MOTION-IONIC EQUILIBRUIM-Exercise -1
  1. The conjugate acid of NH2^- is

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  2. Out of the following, amphiprotic species are I. HPO(3)^(2-) II. OH^(-...

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  3. In the aqueous solution of MgCl2-

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  4. Ostwald’s dilution law gives satisfactory results for -

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  5. For a binary weak electrolyte, the degree of dissociation is proportio...

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  6. Ostwald dilution law of weak electrolyte HA can be given as :

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  7. The value of PkW" at "25^@C is -

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  8. Kw for water at 25^(@)C is equal to 10^(-14). What is its value at 90^...

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  9. Select the correct statement-

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  10. For an acid solution the [OH^(-)] is

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  11. The aqueous solution whose pH =0 is-

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  12. Pure water ionises as 2H2O (?) Leftrightarrow H3O^+ (a)+OH^¯" (aq)...

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  13. The pKw of water at 50^@C is 13.40. An aqueous solution at 50^@C has p...

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  14. For a 100 ml solution of 10–2 M NaOH the ratio pH: pOH would be –

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  15. How many moles of HCl must be removed from 1 litre of aqueous HCl solu...

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  16. 4.0 g of NaOH and 4.9 g of H(2)SO(4) are dissolved in water and volume...

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  17. Nicotinic acid (K(a)=1.4xx10^(-5)) is repersented by the formula HNiC....

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  18. A monoprotic acid in a 0.1 M solution ionizes to 0.001%. Its ionisatio...

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  19. If the concentration of the weak monoprotic acid HA is C mmol L^(-1) ...

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  20. The formula to calculate pKa for acetic acid is

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