Carboxylic Acids and Its Derivatives · Chemistry · MHT CET

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MCQ (Single Correct Answer)

1

Which among the following is dicarboxylic acid?

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2

Identify ' $B$ ' in the following sequence of reactions.

Acetic acid $\xrightarrow[\Delta]{\text { Thionyl chloride }} \mathrm{A} \xrightarrow{\text { Ammonia }} \mathrm{B}$

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3

Which among the following has highest boiling point?

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4

Identify the product formed in the following reaction. $\left(\mathrm{CH}_3 \mathrm{CO}\right)_2 \mathrm{O} \xrightarrow{\mathrm{H}_2 \mathrm{O}}$ Product

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5

Identify the product formed in the following reaction. $\mathrm{C}_6 \mathrm{H}_5-\mathrm{CH}_2-\mathrm{CH}_3 \xrightarrow[\text { ii) } \mathrm{H}_3 \mathrm{O}^{+}]{\text {i) alk. } \mathrm{KMnO}_4}$ Product

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6

Which among the following is NOT dicarboxylic acid?

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7

Identify ' $A$ ' in the following reaction.

A + Acetic anhydride $\xrightarrow{\mathrm{H}^{+}}$Aspirin + Acetic acid

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8
$$ \text { Identify substrate ' } S \text { ' in the following reaction. } $$

$$ \mathrm{S} \xrightarrow{\text { Dimethylcadmium }} \text { Propanone }+ \text { Cadmium chloride } $$

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9

In a reaction,

$$ \left(\mathrm{CH}_3\right)_2 \mathrm{CHMgBr}+\mathrm{CO}_2 \xrightarrow[\text { ether }]{\text { dry }} \mathrm{A} \xrightarrow[\text { dilHCl }]{\mathrm{H} . \mathrm{OH}} \mathrm{~B} \text {. } $$

Find the product ' B ' of above reaction.

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10

Identify the reagent used in the following reaction.

Benzoic acid $\xrightarrow{\text { Reagent }}$ Benzoyl chloride + Phosphorus oxychloride + Hydrogen chloride

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11

Identify the product ' B ' in following reaction.

Dry ice $\xrightarrow[\text { dry ether }]{\mathrm{CH}_3 \mathrm{MgBr}} \mathrm{A} \xrightarrow{\mathrm{H}_3 \mathrm{O}^{+}} \mathrm{B}$

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12

Which from following compounds is obtained when acetamide is warmed with bromine and excess conc. $\mathrm{KOH}_{(\mathrm{aq})}$ solution?

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13

Methyl propanoate on hydrolysis with dil NaOH forms a salt that on further acidification with conc. HCl forms

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14

Identify the correct decreasing order of boiling points for different organic compounds from following.

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15

Which among the following functional groups is reduced by diborane?

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16

Which among the following is NOT dicarboxylic acid?

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17

Identify the product ' B ' in the following sequence of reactions.

$$ \text { Methylpropanoate } \xrightarrow[\text { dil. } \mathrm{NaOH}]{\Delta} \mathrm{A} \xrightarrow[\text { Conc. } \mathrm{HCl}]{\mathrm{H}^{+}} \mathrm{B} $$

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18

Cyclohexene on oxidation with $\mathrm{KMnO}_4$ in dil. $\mathrm{H}_2 \mathrm{SO}_4$ forms

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19

Identify the product formed in the following reaction.

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20

Identify the product X in the following reaction. Ethanoyl chloride $\xrightarrow{\mathrm{H}_2 \mathrm{O}} \mathrm{X}$

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21

Which among the following is NOT dicarboxylic acid?

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22

Identify the product formed in the following reaction.

$\mathrm{CH_3CH_2MgBr}$ $$\mathrm{\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{ii)\,dil.\,HCl}^{i)\,dry\,ice/dry\,ether}}}$$ $\mathrm{product}$

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23

Identify product 'B' in the following reaction.

Sodium phenoxide $\xrightarrow[6 \mathrm{~atm}]{\mathrm{CO}_2, 398 \mathrm{~K}} \mathrm{~A} \xrightarrow{\mathrm{H}_3 \mathrm{O}^{+}} \mathrm{B}$

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24

Select the correct increasing order of boiling points of alcohols, amines and carboxylic acids of comparable molar mass from the following.

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25

Which compound from following has highest boiling point?

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26

What is the product obtained when phenylethene is treated with $\mathrm{KMnO}_4$ in dilute $\mathrm{H}_2 \mathrm{SO}_4$ ?

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27

Which among the following is a pair of monocarboxylic acids?

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28

Which from following compounds is NOT a mono carboxylic acid?

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29

Which from following is NOT a dicarboxylic acid?

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30

Which of the following is a tricarboxylic acid?

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31

Which of the following compounds is obtained when cyclohexene is oxidized using $\mathrm{KMnO}_4$ in dilute $\mathrm{H}_2 \mathrm{SO}_4$ ?

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32

Which from following compounds is obtained when acyl chloride is hydrolysed with water?

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33

Which among the following is NOT dicarboxylic acid?

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34

Identify '$$\mathrm{A}$$' in the following reaction.

A+ Acetic anhydride $$\xrightarrow{\mathrm{H}^{+}}$$ Aspirin + Acetic acid

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35

Identify the reagent used in the following reaction.

Benzoic acid $$\xrightarrow[\Delta]{\text { Reagent }}$$ Benzoyl chloride + Phosphorous oxychloride + Hydrogen chloride

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36

Which among the following is a pair of monocarboxylic acids?

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37

Which among the following compounds has highest boiling point?

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38

Which among the following is dicarboxylic acid?

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39

Select the CORRECT increasing order of boiling points of alcohols, amines and carboxylic acids of comparable molar mass from the following.

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40

Methyl propanoate on hydrolysis with dil $$\mathrm{NaOH}$$ forms a salt which on further acidification with conc. $$\mathrm{HCl}$$ forms _________.

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41

Identify the product obtained in the following reaction.

$$\left(\mathrm{CH}_3 \mathrm{CO}\right)_2 \mathrm{O} \stackrel{\mathrm{H}_2 \mathrm{O}}{\longrightarrow} \text { Product }$$

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42

Identify the product of following reaction.

Benzoyl chloride $$\stackrel{\mathrm{H}_2 \mathrm{O}}{\longrightarrow}$$ product

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43

Which of the following is tricarboxylic acid?

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44

Which from following statements is TRUE about $$\mathrm{CH}_3 \mathrm{CH}\left(\mathrm{NH}_2\right) \mathrm{CH}_2 \mathrm{COOH}$$ molecule?

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45

Identify the product '$$B$$' in the following reaction.

Cumene $$\mathrm{\mathrel{\mathop{\kern0pt\longrightarrow} \limits_\Delta ^{KMn{O_4}\,.\,KOH}}}$$ A $$\mathrm{\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{}^{{H_3}{O^ + }}}}$$ B

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46

Identify the reagent '$$A$$' used in the following conversion.

Ethyl bromide $$\stackrel{\mathrm{A}}{\longrightarrow}$$ Ethylpropanoate

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47

Which among the following has the lowest boiling point?

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48

Identify the product '$$\mathrm{B}$$' in the following reaction.

Dry ice $$\mathrm{\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{Dry\,ether}^{C{H_3}MgBr}}}$$ A $$\mathrm{\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{dil.\,HCl}^{{H_2}O}}}$$ B

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49

Identify the product 'B' in the following series of reactions.

$$\mathrm{CH_3COOH+CH_3CH_2OH}$$ $$\stackrel{\mathrm{H}^{+}}{\rightleftharpoons} A \xrightarrow[\mathrm{Ni} / \mathrm{Pd}, \Delta]{\mathrm{H}_2}$$ B

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50

Which of the following carboxylic acids has lowest boiling point?

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51

Identify the products of following reaction :

$$\mathrm{C}_6 \mathrm{H}_5 \mathrm{COOC}_2 \mathrm{H}_5 \xrightarrow[\text { dil. } \mathrm{H}_2 \mathrm{SO}_4]{\Delta}$$

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52

Identify product '$$\mathrm{B}$$' in following reaction.

Cumene $$\xrightarrow[\Delta]{\mathrm{KMnO}_4, \mathrm{KOH}} \mathrm{A} \xrightarrow{\mathrm{H}_3 \mathrm{O}+} \mathrm{B}$$

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53

Which of the following alkenes on oxidation by $$\mathrm{KMnO}_4$$ in dil. $$\mathrm{H}_2 \mathrm{SO}_4$$ forms adipic acid?

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54

Which among the following is a pair of dicarboxylic acids?

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55

Identify the product 'P' of following reaction.

Ethanoyl chloride $$\buildrel {{H_2}O} \over \longrightarrow $$ P

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56

Identify compound $$\mathrm{A}$$ used in following reaction.

Benzoic acid $$\underset{\Delta}{\stackrel{A}{\longrightarrow}}$$ Benzoyl chloride + Phosphorous oxychloride + Hydrogen chloride

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57

Which among the following is strongest acid?

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58

Which among the following compounds has highest boiling point?

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59

The number of pi-bonds present in benzoic acid molecule are

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60

Soaps are the sodium or potassium salts of higher fatty acids, containing number of carbon atoms more than,

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61

Which among the following compounds is obtained when ethane nitrile is acid hydrolysed?

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