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Original solution of salt or mixture sho...

Original solution of salt or mixture should not be prepared in concentrated `HNO_(3)` because it:

A

is highly corrosive

B

oxidises `H_(2)S` to S in IInd group

C

undergoes disproportionation reaction

D

converts sulphide of `Ba,Sr` and `Pb` into insoluble sulphates

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The correct Answer is:
B, D
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GRB PUBLICATION-SALT ANALYSIS-Multiple Objective Type
  1. Which of the following statement(s) is/are correct with respect to bro...

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  2. Select the incorrect statement(s).

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  3. Original solution of salt or mixture should not be prepared in concent...

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  4. White precipitate of PbSO(4) gets dissolved in:

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  5. What final product(s) is/are formed in the following series of reactio...

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  6. Which of the following sulphides do not dissolve in 50% HNO(3) but dis...

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  7. Which of the following statement(s) is/are correct?

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  8. Which of the following can be used to regulate the concentration of OH...

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  9. Select the correct statement(s).

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  10. Which of the following statement(s) is/are not correct?

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  11. Which of the following will give the same colour in oxidising flame as...

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  12. Ni +H(2)SO(4) (hot and concentrated) rarr X(g). The liberated gas (sel...

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  13. Co^(2+)+KCN (not in excess) rarr Precipitate. Select the correct state...

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  14. Potassium ferrocyanide is used for testing :

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  15. Which of the following statements is/are correct?

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  16. Which of the following imparts green/apple green colour to the Bunsen ...

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  17. Which of the following compound gives X gas with addition of dilute HC...

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  18. Which of the following anion(s) gives white ppt. with CaCI(2) in aqueo...

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  19. Which of the following acid is/are evolve CO(2) gas from carbonate sal...

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  20. Which of the following reagent(s) form ppt. with Na(2)CO(3)?

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