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Anhydrous formic acid is prepared by:...

Anhydrous formic acid is prepared by:

A

heating NaOH with CO at 483K under pressure

B

heating glycerol with oxalic acid at high temperature

C

catalytic oxidation of ethane in presence of a catalyst

D

heating lead formate in a current of hydrogen sulphide

Text Solution

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The correct Answer is:
D
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OP TANDON-CARBOXYLIC ACIDS AND THEIR DERIVATIVES-Objective questions
  1. Acid form sodium salt, with the evolution of carbon dioxide on treatme...

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  2. Choose the weakest acid among the following :

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  3. Anhydrous formic acid is prepared by:

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  4. By heating a mixture of ethylene, carbon monoxide and steam at high te...

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  5. Cyanogen on hydrolysis with dil. HCl gives:

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  6. Maleic acid on catalytic reduction gives:

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  7. When benzene is heated with air at 500^(@)C in the presence of V(2)O(5...

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  8. Ammonium succinate on strong heating gives:

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  9. Acetic acid dissolved in benzene shows a molecular mass of:

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  10. CH(3)COOH+CH(2) =C=Oto (X) (X) is most probably:

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  11. The correct order of acidic strength of the following compound is : ...

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  12. Action of formic acid on Tollen's reagent shows:

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  13. Propionic acid when reacted with bromide m the presence of phosphorus ...

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  14. Formic acid can be distinguished from acetic acid by its reaction with...

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  15. A compound undergoes the following sequence of reactions: C(3)H(5)No...

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  16. Maleic acid and fumaric acid:

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  17. Which of the following is most effective for the hydrolysis of an este...

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  18. An unsubstituted amide is converted into the acid nitrogen by:

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  19. Which of the following reactions would give a good yield of hydrocarbo...

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  20. Which of the following methods cannot be used for the preparation of a...

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