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A colourless organic compound gives bris...

A colourless organic compound gives brisk effervescence with a mixture of sodium nitrite and dil. `HCl`. It could be

A

Oxalic acid

B

acetic acid

C

urea

D

glucose

Text Solution

Verified by Experts

The correct Answer is:
C
`NaNO_(2) + HCl rarr HNO_(2) + NaCl`
`underset("Urea")(H_(2)NCONH_(2)) + HNO_(2) rarr CO_(2) + NH_(3) + H_(2)O + N_(2)`
`CO_(2)` gas evolves with brisk effervescence
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DINESH PUBLICATION-CARBOXYLIC ACIDS AND THEIR DERIVATIVES-Unit test
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  3. Consider the following reactions I. II. CH(3)CH(2)Br overset(KCN)...

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  4. Which of the following does not give HVZ reaction

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  5. When CH(2) = CH - COOH is reduced with LiAlH(4), the compound obtained...

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  6. CH(3)COOH overset(NH(3))rarr rarr? Product of the reaction is isomer...

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  7. The main product obtained in the reaction of acetamide and HNO(2) is

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  8. Match list I with list II and choose the correct answer from the codes...

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  9. CH(3)CH(2)OH underset(I)overset(Cu.573 K)rarr x underset(II)overset([O...

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  10. CH(3)CN overset(H(2)O)rarr X overset("diazomethane")rarr Y X and Y a...

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  11. What is D in the above sequence ?

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  12. Which one of the following compound gives aspirin on reacting with ace...

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  13. Consider the acidity of the carboxylic acids I. PhCOOH II. O - NO(...

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  14. o-toluic acid on reaction with Br(2) +Fe gives

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  15. 4-methyl benzene sulphonic acid reacts with sodium acetate to give

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  16. Formic acid and acetic acid are distinguished by

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  17. Oxalic acid when reduced with zinc and H(2)SO(4) gives

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  18. A colourless organic compound gives brisk effervescence with a mixture...

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  19. Hydrogenation of C(6)H(5)CHOH - COOH over Rh - Al(2)O(3) catalyst in m...

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  20. The correct order of increasing acid strength of the compounds (a) C...

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