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underset(OH)underset(|)(CH(2)=CHCHCH(2)C...

`underset(OH)underset(|)(CH_(2)=CHCHCH_(2)CH_(2)OH)overset(MnO_(2))rarrA,A` is

A

`CH_(2)=Chunderset(O)underset(||)C CH_(2)CH_(2)OH`

B

`CH_(2)=Chunderset(OH)underset("| ")"CH"CH_(2)CHO`

C

`CH_(2)=Chunderset(O)underset(||)C CH_(2)CHO`

D

`CH_(2)=Chunderset(O)underset(||)C CH_(2)overset(O)overset(||)COH`

Text Solution

Verified by Experts

The correct Answer is:
A
There is oxidation of alcohol at allylic or benzylic position by `MnO_(2).`
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CH_2=CH underset(OH)underset(|)CHCH_2CH_2OH overset(MnO_2)to A, A is

Which of the following is the correct ease of dehydration ? I CH_(3) - CH_(2)-CH_(2)-underset(OH)underset(|)(CH_(2)) , II CH_(3)-CH_(2)-overset(OH)overset(|)(CH)-CH_(3) , III CH_(2) = CH -overset(OH)overset(|)(CH)-CH_(3) , IV

The IUPAC name of CH_(3)-underset(OH)underset(|)(CH)-CH_(2)-CH_(2)-CH_(2)-overset(Br)overset(|)underset(Br)underset(|)(C)-CH_(3)

Give the IUPAC names of the following : (i) CH_(3)-underset(OH)underset(|)(CH)-CH_(2)-Cl (ii) CH_(3)-CH_(2)-CH_(2)-underset(C_(6)H_(5))underset(|)overset(OH)overset(|)(C)-CH_(2)-CH_(3) (iii) CH_(3)-overset(OH)overset(|)(CH)-underset(CH_(3))underset(|)(CH)-CH_(3) (iv) CH_(3)-CH_(2)-overset(CH_(2)Cl)overset(|)(CH)-CH_(2)-OH (v) CH_(3)-CH_(2)-overset(CH_(2)OH)overset(|)(CH)-CH_(2)-CH_(3) (vi) CH_(3)-underset(OH)underset(|)(CH)-CH=CH_(2) (vii) CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C)-CH_(2)-CH_(2)-OH (viii) CH_(3)-underset(Br)underset(|)overset(CH_(3))overset(|)(C)-underset(Br)underset(|)overset(CH_(3))overset(|)(C)-CH_(2)-CH_(2)-OH (ix) CH_(3)-CH=CH-underset(OH)underset(|)(CH)-CH_(2)-CH_(3) (x) CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C)-CH_(2)-underset(OH)underset(|)(CH)-CH_(3) (xi) CH_(3)-O-underset(CH_(3))underset(|)(CH)-CH_(3) (xii) CH_(3)-underset(CH_(3))underset(|)(CH)-CH_(2)-OH

CH_(2)-CH-underset(OH)underset("| ")"CH"-underset(OH)underset("| ")"CH"_(2)overset(MnO_(2))rarr Product is :-

Arrange the folowing alkanols 1,2 and 3 in order of their reacitivity towards acid catalysed dehydration. CH_(3)-underset(CH_(3))underset(|)(CH)-CH_(2)-underset(OH)underset(|)(CH_(2)) CH__(3)-overset(OH)overset(|)underset(CH_(3))underset(|)C-CH_(2)-CH_(3) (CH_(3))_(2)CH-overset(OH)overset(|)(CH)-CH_(3)

CH_(3)-underset(CH_(3))underset(|)(CH)-CH=CH-CH_(2)-overset(O)overset(||)(C)-OH

MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-ALCOHOLS, PHENOLS AND ETHERS-PRACTICE EXERCISE (Exercise 2 (MISCELLANEOUS PROBLEMS))
  1. R-CH(2)-CH(2)OH can be converted into RCH(2)CH(2)COOH the correct seq...

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  2. Among the following compounds which can be dehydrated very easily is-

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  3. In the following reaction which bonds are cleaved? CH(3)CH(2)-overse...

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  4. Consider the following reaction,

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  6. The best method to prepare cyclohexene from cyclohexanol is by using

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  7. In the above dehydration reaction .^(18)C will be in

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  8. underset(OH)underset(|)(CH(2)=CHCHCH(2)CH(2)OH)overset(MnO(2))rarrA,A ...

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  9. Two aromatic compounds having formula C(7)H(8) O which are easily iden...

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  10. Select the schemes A, B C out of I. acid catalysed hydration II. H...

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  11. The major product obtained on interaction of phenol with sodium hydrox...

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  12. Ester A(C(4)H(8)O(2))+underset("(2 parts)")(CH(3)MgBr)overset(H(3)O^(+...

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  13. Which of the following compound would not evolve CO(2) when treated wi...

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  14. CH(3)-overset(CH(3))overset("| ")underset(CH(3))underset("| ")"C "-u...

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  15. Phenol is heated with C Cl(4) and alkaline KOH when salicylic acid is ...

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  16. Which of the following would yield a secondary alcohol after the indic...

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  17. Phenol on reaction with CHCl(3) and NaOH give salicylaldehyde. Interme...

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  18. In the presence of dry HCl gas, CH(3)CHO condenses with C(2)H(5)OH to ...

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  19. In the reaction , The products are

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  20. Which one of the following reaction would produce secondary alcohol?

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