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Which of the following does not give bri...

Which of the following does not give brick red ppt. with Fehling solution ?

A

`HCHO`

B

`HCOOH`

C

Glucose

D

Fructose

Text Solution

Verified by Experts

The correct Answer is:
A, B, C, D
`HCOOH` gives this test due to presence of
`H-overset(O) overset(|)(C)-` group Fructose gets converted into glucose in basic medium which reponds to Fehling's solution test due to presence of `-CHO` group.
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NARAYNA-PRACTICAL ORGANIC CHEMISTRY-MCQ_TYPE
  1. An organic compound has the structure It will give

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  2. The most reactive among the following pairs towards NaOH is

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  3. CH(3)-overset(O)overset(||)(C)-C(2)H(5) & CH(3)-overset(O)overset(||)(...

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  4. Which of the these can be distinguished by adding HCl or Na(2)CO(3)?

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  5. Which of the following reactions occur during the detection of nitorge...

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  6. A compund reacts with CHCl(3) and KOH gives offensive smelling compoun...

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  7. HCOOH and HCHO may be distinguished by

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  8. Benzaldehyde and CH(3)COCl can be distinguished by

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  9. Acetic acid and CH(3)COCl can be distinguished by

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  10. An organic compund contains 52% carbon. If could be

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  11. Which of the following will evolve CO(2) on reaction with NaHCO(3)?

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  12. Which of the following wil give benzoic acid on acidic hydrolysis?

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  13. Which of the following does not give brick red ppt. with Fehling solut...

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  14. Which of the following compounds can be purified by steam distillation...

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  15. Which of the following compounds can be purified by vaccum distillatio...

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  16. Chromatography technique is used in the separation of:

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  17. Mixed melting point of an organic compound is determine to

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  18. Compound 'P'(C(10)H(12)O) evolves H(2) gas with Na metal. It reaches w...

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  19. Compound (X)C(9)H(10)O in inert to Br(2)//"CC"l(4). Vigorous oxidation...

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  20. Which is/are the correct method for separatig a mixture of benzoic aci...

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