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An organic compound 'X' having molecular...

An organic compound 'X' having molecular formula `C_(5)H_(10)O` yield phenylhydrazone and gives negative response to the iodoform test and Tollens test . It produces n-pentane on reduction. 'X' could be

A

2-pentanone

B

3-pentanone

C

n-amyl alcohol

D

Pentanal

Text Solution

Verified by Experts

The correct Answer is:
B
`C_5H_(10)O`

This ketone does not give tollens’ test. Also it does not give iodoform test because it does not have `(CH_3-overset(O)overset(||)C-)` group.
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ERRORLESS-ALDEHYDES AND KETONES-PAST YEARS QUESTIONS
  1. Reaction of carbonyl compound with one of the following reagents invol...

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  2. The product formed in aldol condensation is

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  3. An organic compound 'X' having molecular formula C(5)H(10)O yield phen...

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  4. On hydrolysis of a "compound", two compounds, are obtained. One of whi...

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  5. Which of the following reagents would distinguish ciscyclopenta -1,2-d...

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  6. Of the following which is the product formed when cyclohexanone under...

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  7. Consider the reaction Identify A, X, Y and Z

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  8. Compound A,C(8)H(10)O, is found to react with NaOI (produced by reacti...

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  9. Acetaldehyde cannot exhibit

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  10. Trichloroacetaldehyde, C Cl(3)CHO reacts with chlorobenzene in presenc...

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  11. Paraldehyde is used as a

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  12. C2H5OH and RCOOC2H5 can be separated from CH3CHO using

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  13. Acetone is treated with excess of ethanol in the presence of hydrochlo...

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  14. Phenylmethanol can be prepared by reducing the benzaldehyde with :

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  15. CH3CHO and C6H5CH2CHO can be distinguished chemically by

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  16. Reaction by which benzaldehyde cannot be prepared is :

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  17. Predict the product in the given reaction

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  18. Which one is most reactive towards nucleophilic addition reaction?

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  19. Acetophenone when reacted with a base C(2)H(5)ONa yields a stable comp...

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  20. The reagent which can be used to distinguish acetopheone from benzophe...

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