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Aldehydes, Ketones and Carboxylic Acids

Short Answer Type

111. But-2-en-1, 4-dioic acid exist in two isomeric forms. Write the structure of these two isomers?

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112. How will you synthesise propanoic acid from propylene?

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113.

Synthesise propanoic acid from bromoethane.

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114.

Convert ethanol into propanoic acid.

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115. Write the structure and IUPAC name of the product formed:

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116.

What is the structure of the compound A in the following reaction?

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117.

In the following sequence of reaction, A and B are two unknown compounds. Identify them.

$CH subscript 2 space equals space CH subscript 2 space rightwards arrow with Br subscript 2 on top space straight A space rightwards arrow from straight H subscript 3 straight O to the power of plus to alc. space KCN of straight B$

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118. Convert ethanol into propanoic acid.

Ethanol react with Phosphorus tribromide to form bromo ethane which on further reaction with magnesium in presence of ether form grignard reagent. Further reaction of grignard regent gives propanoic acid.

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119.

Convert benzene into benzoic acid.

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120.

What happens when carbon monoxide is added to methanol in the presence of Rh catalyst ?

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