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Which of the following can be oxidised t...

Which of the following can be oxidised to alcohol by `KMnO_(4)` :-

A

n-pentane

B

Iso pentane

C

Neo pentane

D

propane

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The correct Answer is:
B
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Oxidation of alkenes by cleavage with the acidic or alkaline KmNO_(4) of acidic K_(2)Cr_(2)O_(7) at higher temperature yields products depending upon the nature of alkene. A hot solultion of KMnO_(4) is a strong oxidising agent which gives only ketones and carboxylic acids and not aldehydes (as they cannot be isolated). Oxidation of alkenes with OsO_(4) followed by alcoholic NaHSO_(3) or Na_(2)SO_(3) yeilds glycols. Answer the following questions: Which of the following alkenes on oxidation with hot KMnO_(4) gives cyclopentanone?

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ALLEN-CHEMISTRY AT A GLANCE-ORGANIC CHEMISTRY
  1. Kolbe's Electrolysis completed by

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  2. Iodination of methane can be carried out in presence of -

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  3. Which of the following can be oxidised to alcohol by KMnO(4) :-

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  4. CH(4)overset(Mo(2)O(3))(to)'P' (mojor) Product 'P' is -

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  5. CH(4)H(2)Ooverset(Ni)underset(1273K)(to)'P' Product 'P' is -

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  6. Alkane is known as olefine due to-

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  7. Product 'A' & 'B' are respectively-

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  8. CH(3)underset(CH(3))underset(|)overset(CH(3))overset(|)C-CH=CH(2)overs...

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  9. Which of the following compound gives CO(2) on reductive ozonolysis-

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  10. Propanal and pentan-3-one are ozonolysis product of-

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  11. Benzene is obtained by all the following reactions except

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  12. Oxidation of which of the followind arenes does not give benzoic acid

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  13. When benzene is heated with acetic anhydride in presence of anhydrous ...

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  14. Which of the following acid on decarboxylation does not from an aromat...

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  15. Among the following alkyl bromide correct order of S(N)1 reactivity is...

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  16. The product of the reaction is CH(3)-CH(2)-overset(O)overset(||)(C)-OA...

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  17. Reaction I^(st) and II^(nd) are

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  18. Which of the following compound undergo hydrolysis most easily :

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  19. Consider the reaction: CH(3)-CH(2)-CH(2)-Br+NaCNtoCH(3)CH(2)CH(2)-C...

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  20. Which of the following compound will give curdy precipiate with AgNO(3...

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