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A piece of filter paper dipped in Pb(NO3...

A piece of filter paper dipped in `Pb(NO_3)_2` solution turns black when it is brought in the gas

A

`Cl_2`

B

`H_2 S`

C

`SO_2`

D

`N_2`

Text Solution

Verified by Experts

The correct Answer is:
B
`Pb(NO_3)_2 + H_2 S to underset("Black")(PbS)darr + 2HNO_3`
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  1. Mark the compound which is acid?

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  2. H2 S gas is obtained by treating H2 SO4 with

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  3. A piece of filter paper dipped in Pb(NO3)2 solution turns black when i...

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  4. H2 S gas turns litmus paper

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  5. Which of the following gives white precipitate with H2 S

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  6. In laboratory HCl gas is obtained by heating the following compounds

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  7. Which of the following is most volatile?

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  8. On heating manganese dioxide with conc. HCI, which of the following is...

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  9. In aqua-regia preparation (3HCI+ HNO3 to ....) the resulting products ...

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  10. Which of the following gases can be dried by conc. H2SO4 ?

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  11. The type of bonding in HCl molecule is

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  12. Which of the following pair will give chlorine gas most quickly, upon ...

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  13. Hydrochloric acid at 25^@C is

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  14. The reaction of KMnO4 and HCl results in

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  15. When NaCl is heated with conc. H2 SO4 and solid K2 Cr2 O7 we get

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  16. One of the product of reaction between solid KMnO4 and conc. HCl is

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  17. It has been observed that gaseous HCl is very poor conductor of electr...

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  18. Dilute solution of HCl cannot be concentrated beyond 22.2% by boiling ...

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  19. Aqua-regia contains conc. HCl and conc. HNO3 in the ratio of

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  20. HCl is dried by

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