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Give one test to distinguish between ace...

Give one test to distinguish between acetone and acetic acid.

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Acetone on treatment with `I_(2)` and NaOH gives yellow precipitates of iodoform.
`I_(2)+2NaOHtoNaOI+NaI+H_(2)O`
`CH_(3)COCH_(3)underset(-3NaOH)overset(3NaOI)toCl_(3)COCH_(3)overset(NaOH)tounderset("Iodoform (Yellow ppt.)")(CHI_(3))+CH_(3)COONa`
This reaction is not given by acetic acid.
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ICSE-ALDEHYDES, KETONES AND CARBOXYLIC ACIDS-EXERCISE (PART-II DESCRIPTIVE QUESTIONS) (VERY SHORT QUESTIONS)
  1. Mention one important use of methanoic acid.

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  2. Give one chemical test to distinguish between formic acid and acetic a...

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  3. Give one test to distinguish between acetone and acetic acid.

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  4. Give a balanced equation and name the products when acetic acid is tre...

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  5. What is observed when formic acid is added to Tollens' reagent?

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  6. Arrange the following in the increasing order of acidic strength, Wa...

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  7. Why lower carboxylic acids are soluble in water?

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  8. How will you detect the presence of a carboxylic acid ?

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  9. Carboxylic acids contain carbonyl group but do not show the nucleophil...

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  10. Which reagent directly converts carboxylic acids to alcohols?

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  11. Give one example of Hell-Volhard Zelinsky (HVZ) reaction.

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  12. How can you distinguish between an alcohol and an acid?

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  13. Mention a use of either esters of benzoic acid or of sodium benzoate.

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  14. Write one chemical test to distinguish between phenol and benzoic acid...

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  15. Why is pure acetic acid known as glacial acetic acid?

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  16. How would you distinguish between oxalic acid and glucose by one chemi...

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  17. The value for Ka1, and Ka2, (dissociation constants) of oxalic acid ar...

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  18. What happens when sodiumhydroxide is heated to 150°C with carbon monox...

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  19. Arrange the following compounds in an increasing order of their reacti...

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  20. How would you complete the following observation ? Write the complete ...

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