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Which of the following gases turns the a...

Which of the following gases turns the acdified potassium dischromate paper green

A

HCl

B

`H_(2)S`

C

`CO_(2)`

D

`SO_(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
`K_(2)Cr_(2)O_(7) +4H_(2)SO_(4) +2O_(2) to K_(2) SO_(4) +Cr_(2)(SO_(4))_(3)+4H_(2)O`
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ERRORLESS -S AND P BLOCK ELEMENTS-Ordinary thinking (Alkali metals)
  1. Characterstic feature of alkali metals is

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  2. The correct formula of hypo is

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  3. Which of the following gases turns the acdified potassium dischromate ...

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  4. Which of the following does not illustrate the anomalous properties of...

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  5. Which of the following has density greater than water?

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  6. The valence shell electronic configuration of alkali metals is

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  7. The strongest reducing agent is

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  8. One of the following salts will give an alkaline solution on dissolvin...

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  9. The most electropositive element in alkali metals is .

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  10. Composition of borax (Tincal) is

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  11. Which of the following is formed when CO(2) gas is passed through an a...

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  12. Sodium hydride (NaH) when dissolved in water, produces

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  13. Which one of the following salts gives aqueous solution which is weakl...

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  14. Sn is dissolved in excess of NaOH solution, the compound obtained is

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  15. The word 'alkali' is used for alkali metals indicates

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  16. Potassium nitrate is called

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  17. Which of the following is most reducing agent

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  18. Which of the following has smaller size

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  19. Sodium pyrophosphate is represented by which of the following formula

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  20. Based on lattice energy and other considerations which one of the foll...

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