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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Write reaction showing conversion of p-bromoisopropylbenzene into p-isopropylbenzoic acid (3 steps). - Chemistry

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प्रश्न

Write reaction showing conversion of p-bromoisopropylbenzene into p-isopropylbenzoic acid (3 steps).

थोडक्यात उत्तर
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उत्तर

Step 1: Converting - Br group to - CN:

Step 2: Converting - CN group to - CONH2:

Step 3: Converting - CONH2 group to - COOH:

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Preparation of Carboxylic Acids
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पाठ 12: Aldehydes, Ketones and Carboxylic acids - Exercises [पृष्ठ २८१]

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बालभारती Chemistry [English] Standard 12 Maharashtra State Board
पाठ 12 Aldehydes, Ketones and Carboxylic acids
Exercises | Q 4.4 | पृष्ठ २८१

संबंधित प्रश्‍न

Answer the following in one sentence.

Write reaction showing conversion of benzonitrile into benzoic acid.


Answer the following in one sentence.

Name the product obtained by the oxidation of 1,2,3,4-tetrahydronaphthalene with acidified potassium permanganate.


Answer in brief.

Write reaction showing the action of the following reagent on propanenitrile:

Dilute NaOH


What is the action of the following reagent on toluene?

Alkaline KMnO4, dil. HCl and heat


What is the action of the following reagent on toluene?

CrO2Cl2 in CS2


What is the action of the following reagent on toluene?

Acetyl chloride in presence of anhydrous AlCl3.


Choose the CORRECT increasing order of the acidic strength of carboxylic acids from the following.


Identify X in the following reaction:


When a solution of Grignard reagent is added to ____________ a magnesium salt of carboxylic acid is obtained which on acidification gives carboxylic acid.


Which of the following compound gives a ketone with Grignard reagent?


Acetic anhydride is obtained from acetyl chloride by the reaction of ____________.


Identify the product C in following reaction.

\[\ce{CH3CH2COOH ->[NaOH] A ->[NaOH][CaO*\Delta] B ->[HNO3][\Delta] C}\]


Which of the following compounds on heating with potassium permanganate and dilute sulphuric acid forms adipic acid?


Identify product B in the following reaction.

\[\ce{C6H5MgBr ->[dry ice][dry ether] A ->[HOH][dil. HCl] B}\]


Write preparation of acetic acid from:

acetyl chloride


Write preparation of acetic acid from:

dry ice


In the above reaction product 'P' is:


Which of the following carboxylic acids is most reactive towards esterification?


The final product in the following sequence of reaction is


Which of the following alkenes on oxidation by KMnO4 in dil H2SO4 forms adipic acid?


Identify product B in the following reaction.

\[\ce{Cumene ->[KMnO4, KOH][\Delta] A ->[H3O+] B}\]


Write the reaction of Acetyl chloride on ethanamine.


Convert the following:

Cyclohexene into adipic acid.


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