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Give two chemical tests to distinguish b...

Give two chemical tests to distinguish between benzaldehyde and benzoic acid.

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Benzoic acid gives a brisk effervescene with saturated `NaHCO_(3)` solution but benzaldehyde fails to respond to this test.
`underset("Benzoic acid")underset()(C_(6)H_(5)COOH)+NaHCO_(3)rarrunderset("Sod. benzoate")underset()(C_(6)H_(5)COONa)+H_(2)O+underset("effervesence")underset("Brisk")underset()(CO_(2))`
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DINESH PUBLICATION-CARBOXYLIC ACIDS -QUESTIONS FROM BOARD EXAMINATIONS
  1. How will you convert (i) Ethanal to 2-hydroxypropanoic acid. (ii) ...

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  2. Why is ethanal soluble in water ?

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  3. Give two chemical tests to distinguish between benzaldehyde and benzoi...

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  4. Why is carboxylic acid a stronger acid than phenol ?

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  5. Write chemical equation to illustrate Hell-Volhard-Zelinsky reaction.

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  6. The IUPAC name of (CH(3))(2) CHCOOH is:

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  7. How will you convert benzoic acid into benzene ?

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  8. Complete the following reactions : (i) R-CH(2)COOHoverset(X(2)//"Red...

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  9. How will you convert benzoic acid into benzaldehyde ?

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  10. Name the reagents used in the following reactions ?

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  11. How will your convert: (i) Acetic acid to methane (ii) Benzoic aci...

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  12. Arrange the following compounds in increasing order of acidic strength...

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  13. Give a suitable example of H.V.Z. reaction.

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  14. Arrange the following in increasing order of acidic strength : (CH(3...

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  15. Distinguish between CH(3)CH(2)COOH" and "HCOOH.

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  16. Why is pKa of F-CH(2)COOH lower than that of Cl-CH(2)COOH?

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  17. Account for the following : (i) Benzoic acid does not undergo Friede...

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  18. Write the reaction involved in the following : (i) Hell-Volhard zeli...

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  19. Write structures of compound A, B and C in each of the following react...

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  20. How will you convert : (i) Benzoic acid to benzaldehyde (ii) Acetoph...

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