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Which of the following salt liberates a ...

Which of the following salt liberates a colourless gas on acidification with dil. `H_(2)SO_(4)` ?

A

`KNO_(2)`

B

`Na_(2)CO_(3)`

C

`NaNO_(2)`

D

`NaHCO_(3)`

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The correct Answer is:
B, D
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RESONANCE-QUALITATIVE ANALYSIS (ANION)-Exercise-2
  1. B(3)^(3-)+Conc.H(2)SO(4)+CH(3)-CH(2)-OH overset(ignite)rarr(A) What ...

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  2. a=difference in the oxidation number of Cl in the product X and produc...

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  3. Which of the following salt liberates a colourless gas on acidificatio...

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  4. Which of the following salts release reddish brown gas when heated in ...

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  5. Which of the following can decompose on heating to give CO(2) ?

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  6. Metals which do not give flame test ?

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  7. In the following diagram bunsen flame the (X ) represent.

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  8. Metal salts, which respond to Borax bead test ?

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  9. Which of the following gases turn lime water milky when passed through...

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  10. Then A may have :

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  11. S^(2-) " and" SO(3)^(2-) can be distinguished by :

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  12. Which statements is/are correct about sodium nitroprusside test ?

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  13. Which statement(s) is /are correct about Brown ring test ?

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  14. Which of the following metal chlordie will give chromyl chloride test ...

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  15. Which of the following will be completely or partially dissolved in NH...

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  16. Reddis-brown gas is obtained when the following are treated with conc....

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  17. Each of these are added to a mixture of aqueous solutions of iodide an...

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  18. underset("(mixture of two anions)")A underset("excess of "BaCl2)overse...

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  19. 'A' can be

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  20. In step-III if Pb(CH(3)CO O)(2) is added without acidifying the soluti...

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