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When wine is exposed to air it becomes s...

When wine is exposed to air it becomes sour due to

A

Bactena

B

Oxidation of `C_(2) H_(5) OH t o CH_(3) C O O H`

C

Virus

D

Formic acid formation

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The correct Answer is:
B
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AAKASH INSTITUTE- ALCOHOLS, PHENOLS AND ETHERS-Exercise
  1. Which one of the following compounds would not be easily oxidised by ...

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  2. Which of the following alcohols can be most easily dehydrated?

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  3. When wine is exposed to air it becomes sour due to

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  4. Starch is converted to maltose by

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  5. Rectified spirit is a mixture of

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  6. Methanol and ethanol can be distinguished by

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  7. In Reimer Tiemann reaction dichlorocarbene acts as

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  8. Carbolic acid is

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  9. Which of the following is a trihydric phenol ?

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  10. Which of the following is the strongest acid ?

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  11. Electrophilic subsitution reaction in phenol take place at :

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  12. The following reaction is known as : Phenol overset(1.CHCl(3)//NaO...

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  13. What amount of bromine will be required to convert 2g of phenol into 2...

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  14. Identify the product Z in the following sequence of reactions "pheno...

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  15. Phenol can be distinguished from ethanol by the following reagents exc...

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  16. The most suitable convenient method of separation of o-and p-nitrophen...

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  17. Neutral FeCl(3) gives purple colour with

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  18. Asqirin is obtained by the reaction of salicylic acid with

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  19. Zine powder . In the above reaction X will be

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  20. The ionization constant of a phenol is higher than that of ethanol bec...

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