CPU 3 - Introduction To Acid Derivatives (Carboxylic Acids And Acid Derivatives) - Class 12 MCQ

What is the increasing order of reactivity of the followings towards base catalysed hydrolysis reaction?

I. CH₃CONH₂
II. CH₃COOCH₃

IV. C₆H₅COCl

In the reaction given below, the major organic product formed is

In the reaction given below, the major organic product is

One or More than One Options Correct Type

Direction (Q. Nos. 7-10) This section contains 4 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONE or MORE THAN ONE are correct.

Q. 

Which reagent(s) can convert benzoic acid into corresponding acid chloride?

Which reaction condition can convert butanoic acid into methyl butanoate?

What is/are correct regarding the following acyl substitution reaction

Which is/are not a suitable nucleophilic substitution reaction ?

Comprehension Type

Direction (Q. Nos. 11-13) This section contains a paragraph, describing theory, experiments, data, etc.
Three questions related to the paragraph have been given. Each question has only one correct answer among the four given options (a), (bj, (c) and (d).

Passage

In a nucleophilic acyl substitution reaction, a more reactive acid derivative is spontaneously converted into a more stable acid derivative :

Here X^- could be Cl^-, Br^- , RO^-, RCOO^- or . The reaction is found to be bimolecular. 

Q. 

The leaving ability of X^- is in order of

In a nucleophilic acyl substitution reaction, a more reactive acid derivative is spontaneously converted into a more stable acid derivative :

Here X^- could be Cl^-, Br^- , RO^-, RCOO^- or . The reaction is found to be bimolecular. 

Q. 

If X is Cl, the increasing order of reactivity of the following with CH₃ONa is

In a nucleophilic acyl substitution reaction, a more reactive acid derivative is spontaneously converted into a more stable acid derivative :

Here X^- could be Cl^-, Br^- , RO^-, RCOO^- or . The reaction is found to be bimolecular. 

Q. 

How benzoic acid X be most efficiently be converted into 2-phenyl propene?

Statement Type

Direction (Q. Nos. 14-17) This section is based on Statement I and Statement II. Select the correct answer from the codes given below.

Q. 

Statement I : Ethanoic anhydride on heating with ammonia gives ethanamide.

Statement II : Amide is more stable acid derivative than anhydride.

Statement I : CH₃COOH when treated with   is formed.

Statement II : In Fischer esterification, protonated acid undergo nucleophilic attack by alcohol in the slow, rate determining step.

Statement I : 1-butene, when treated with acetic acid in the presence of H₂SO₄, produces racemic mixture of 2-butylpropanoate.

Statement II : Acetic acid undergo electrophilic addition at olefinic bond in the presence of an acid catalyst.

Statement I : In the following reaction,

 Racemic mixture of esters.

Statement II : Alcohol (P) undergo nucleophilic addition on protonated acetic acid.

One Integer Value Correct Type

Direction (Q. Nos. 18-21) This section contains 4 questions. When worked out will result in an integer from 0 to 9 (both inclusive).

Q. 

A polycarboxylic acid (X) has neutralisation equivalent of 65.5. X when treated with excess of SOCI₂ followed by excess of CH₃ONa(aq), gives ester of molar mass 318. What is the basicity of original acid?

Dicarboxylic acid HOOC —(CH₂)_n —COOH on heating alone undergo cyclisation giving cyclic anhydride. For this reaction, what should be the minimum values of n?

If one of the isomer of a hydrocarbon on treatment with hot, concentrated alkaline, KMnO₄ followed by acidic work up gives phthalic acid without loss of any carbon atoms, how many total isomers of hydrocarbon are possible, each containing a phenyl ring?

If disodium salt of propanedioic acid is treated with excess of COCI₂ a cyclic compound X is formed. How many lone pair of electrons are present in X?