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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
The reaction sequence given below gives products R. The structure of the product R isA. B. C. D. |
| Answer» Correct Answer - D | |
| 102. |
The `IUPAC` name of `C_(6)H_(5)COCl` isA. benzoyl chlorideB. benzene chloroketoneC. benzene carbonyl chlorideD. chlorophenyl ketone |
| Answer» Correct Answer - C | |
| 103. |
In the reaction, the structure of the product `T` is: A. B. C. D. |
| Answer» Correct Answer - D | |
| 104. |
Arrange the following acids in order of their increasing acidity A. ` III lt IV lt II lt I `B. `III lt II lt IV lt I `C. `I lt II lt III lt IV`D. `II lt III lt I lt IV` |
| Answer» Correct Answer - A | |
| 105. |
Methyl benzoate can be prepared byA. `C_(6)H_(5)COOH+CH_(3)OHoverset(H^(+))to`B. `C_(6)H_(5)COCl+CH_(3)OHoverset("Pyridine")to`C. `C_(6)H_(5)COOH+CH_(2)N)(2)to`D. all of the above |
| Answer» Correct Answer - D | |
| 106. |
Arrange the following acid in order of increasing acidity A. `I gt II gt III gt IV`B. `II gt III gt I gt IV`C. `III gt II gt IV gt I`D. `III gt IV gt II gt I` |
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Answer» Correct Answer - D Due to ortho effect, `o-` nitrobenzoic acid is the strongest acid. Further since electron-with drawing group such as `NO_(2)` increases while the acid strength w.r.t. parent acid. `:.` the over all acidity increases in the order `C lt D lt B lt A` |
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| 107. |
Methyl benzoate can be prepared byA. `C_(6)H_(5)COOH + CH_(3)OH overset(H^(+))rarr`B. `C_(6)H_(5)COCl + CH_(3)OH overset("Pyridine")rarr`C. `C_(6)H_(5)COOH + CH_(2)N_(2) rarr`D. All the above methods |
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Answer» Correct Answer - D All options are correct |
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| 108. |
When glycolic acid is subjected to reduction with `HI`, the product formed is :A. Acetic acidB. formic acidC. iodoacetic acidD. None of the above |
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Answer» Correct Answer - A `{:(" "CH_(2)OH" "CH_(3)),(" | " overset(2HI)(rarr.)" | "+I_(2)+H_(2)O),(" "COOH" "COOH),(" Acetic acid"):}` |
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| 109. |
An amide is heated with a mixture of `NaNO_(2)//HCl`, the gas product isA. `N_(2)O`B. `N_(2)`C. `NH_(3)`D. `O_(2)` |
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Answer» Correct Answer - B `RCONH_(2) + HNO_(2) rarr RCOOH + N_(2) uarr + H_(2)O` |
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| 110. |
Weakest acid among the following isA. Acetic acidB. PhenolC. WaterD. Acetylene |
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Answer» Correct Answer - D Order of acidic nature is `HC -= CH lt H_(2)O lt` Phenol `lt CH_(3)COOH` |
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| 111. |
An aqueous solution of urea is:A. acidicB. basicC. neutralD. amphoteric |
| Answer» Correct Answer - C | |
| 112. |
Which of the following is least acidic ?A. `C_(2)H_(5)OH`B. `CH_(3)COOH`C. `C_(6)H_(5)OH`D. `ClCH_(2)COOH` |
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Answer» Correct Answer - A Order of acidic strength is `C_(2)H_(5)OH lt C_(6)H_(5)OH lt CH_(3)COOH lt ClCH_(2)COOH` |
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| 113. |
The compound (X) is :A. `(CH_(3)CO)_(2)O`B. `BrCH_(2)-COOH `C. `CH_(3)COOH`D. OHC-COOH |
| Answer» Correct Answer - A | |
| 114. |
Identify the product S in the following series of operations : `C_(2)H_(2) underset(Hg^(2+))overset(dil. H_(2)SO_(4))rarr (P) overset(K_(2) Cr_(2) O_(7) // H^(+))rarr (Q) overset(CaCO_(3))rarr (R) overset(Delta) rarr (S)`A. Ethyl alcoholB. acetaldehydeC. acetoneD. acetic acid |
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Answer» Correct Answer - C `CH -= underset(Hg^(2+))overset(Dil. H_(2)SO_(4))rarr underset((P))(CH_(3)CHO) overset(K_(2)Cr_(2)O_(7) //H^(+))rarr underset((Q))(CH_(3)COOH) overset(CaCO_(3))rarr underset((R))((CH_(3)COO)_(2)Ca) overset(Delta)rarr underset((S))(CH_(3)COCH_(3))` |
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| 115. |
Acetamide is amhoteric in nature. Hence it can react with limited amount ofA. HClB. HgOC. HCl as well as HgOD. NaOH |
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Answer» Correct Answer - C Factual question |
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| 116. |
Urea is a:A. monobasic acidB. dibasic acidC. monoacid baseD. diacid base |
| Answer» Correct Answer - C | |
| 117. |
The one which has least iodine value is?A. Ginger oilB. GheeC. Groundnut oilD. Sunflower oil |
| Answer» Correct Answer - B | |
| 118. |
Benzalkonium chloride is a:A. cationic surfactant and antisepticB. anionic surfactant and soluble in most of organic solventsC. cationic surfactant and insoluble in most of organic solventsD. cationic surfactant and antimalarial |
| Answer» Correct Answer - A | |
| 119. |
An alkyl cyanide forms an amide when it Is treated with:A. `H_(2)O + HCl`B. `NaOH+ H_(2)O`C. `H_(2)O_(2) + NaOH `D. `H_(2)SO_(4) + H_(2)O` |
| Answer» Correct Answer - C | |
| 120. |
The addition of a drop of copper sulphate solution to an alkaline solution of biuret gives:A. red colourB. violet colourC. green colourD. orange colour |
| Answer» Correct Answer - B | |
| 121. |
An unsubstituted amide is converted into the acid nitrogen by:A. HClB. `HNO_(2)`C. NaOHD. `P_(4)O_(10)` |
| Answer» Correct Answer - B | |
| 122. |
When an amide is reduced with sodium/alcohol is yieldsA. primary amineB. an alcoholC. secondary amineD. aldoxime |
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Answer» Correct Answer - A `R - overset(O)overset(||)(C) - NH_(2) + 4 [H] overset(Na//alc.)rarr underset(1^(@) "amine")(R - CH_(2) - NH_(2) + H_(2)O` |
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| 123. |
An acid present in acetum is:A. HClB. tartaric acidC. `CH_(3)COOH`D. citric acid |
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Answer» Correct Answer - C See Acetic acid |
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| 124. |
An alcohol `C_(5)H_(11)OH` on dehydration gives an alkene which on oxidation yields a mixture of a ketone and an acid. The alcohol in question isA. `H_(3)C- underset(H)underset(|)overset(OH)overset(|)(C) - underset(H)underset(|)overset(H)overset(|)(C) - underset(H)underset(|)overset(H)overset(|)(C) - CH_(3)`B. `H_(3)C- underset(H)underset(|)overset(H)overset(|)(C) - underset(H)underset(|)overset(OH)overset(|)(C) - underset(H)underset(|)overset(H)overset(|)(C) - CH_(3)`C. `H_(3)C - underset(CH_(3))underset(|)overset(H)overset(|)(C) - underset(H)underset(|)overset(OH)overset(|)(C) - CH_(3)`D. `H_(3)C - underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C) - underset(H)underset(|)overset(H)overset(|)(C) - OH` |
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Answer» Correct Answer - C `{:(" "H" "OH),(" |"" |"),(H_(3)C-C-C-CH_(3) underset(Delta)overset(H_(2)SO_(4))(rarr)H_(3)C-C=C-CH_(3)),(" |"" |"" |"" |"),(" "CH_(3)""H" "CH_(3)""H),(" "darr""[O]),(" "CH_(3)),(" |"),(" "H_(3)C-C=O+CH_(3)COOH):}` |
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| 125. |
Urea is converted into ammonia and carbon dioxide by the enzyme:A. diastaseB. ureaseC. lipaseD. amylase |
| Answer» Correct Answer - B | |
| 126. |
In the reaction `CH_(3)CH_(2)COONH_(4)`overset(P_(2)O_(5))to(A)overset(H^(+)//H_(2)O)to(B)` (A) and (B) are:A. `CH_(3)CH_(2)CONH_(2), CH_(3)CH_(2)COO^(-)`B. `CH_(3)CH_(2)COONH_(2) , CH_(3)CH_(2)COOH`C. `CH_(3)CH_(2)CN,CH_(3)CH_(2)COO^(-)`D. `CH_(3)CH_(2)CN,CH_(3)CH_(2)COOH` |
| Answer» Correct Answer - D | |
| 127. |
Identify Z `CH_(3)COONH_(4) overset(Delta)rarr X overset(P_(2)O_(5))rarr Y overset(H_(2)O //H^(+))rarr Z`A. `CH_(3)CH_(2)CONH_(2)`B. `CH_(3)CN`C. `(CH_(3)CO)_(2)O`D. `CH_(3)COOH` |
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Answer» Correct Answer - D `CH_(3) COONH_(4) underset(-H_(2)O)overset(Delta) rarr underset((X))(CH_(3)CONH_(2)) underset(-H_(2)O)overset(P_(2)O_(5))rarr underset((Y))(CH_(3)C) = N overset(H_(2)O //H^(+))rarr underset((Z))(CH_(3)COOH)` |
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| 128. |
`H_(2)NCONH_(2) overset(Delta)rarr`?A. `NH_(3) + CO_(2)`B. UrethaneC. BiuretD. Urotropin |
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Answer» Correct Answer - C `2H_(2) N - underset("Urea")overset(O)overset(||)(C) - NH_(2) underset(-NH_(3))overset(Delta)rarr H_(2) N - overset(O)overset(||)(C) - underset("Biuret")(NH ) - overset(O)overset(||)(C) - NH_(2)` |
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| 129. |
In the given reaction [X ] will be :A. `HOOC-CH_(2)-CH_(2)-overset(OH)overset(|)"CH"-CH_(3)`B. `CH_(3)-CH_(2)-CH_(2)-CH_(2)-COOH`C. `HO-CH_(2)-CH_(2)-CH_(2)-COOH`D. `CH_(3)-CH_(2)-underset(OH)underset(|)"CH"-CH_(2)-COOH` |
| Answer» Correct Answer - A | |
| 130. |
Among the following the strongest acid isA. `CH_(3) COOH`B. `CH_(2) ClCH_(2)COOH`C. `CH_(2)ClCOOH`D. `CH_(3)CH_(2) COOH` |
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Answer» Correct Answer - C Due to `-I` group present at `alpha-` carbon. |
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| 131. |
Tick the statement which is not true about carboxylic acids.A. Higher carboxylic acids are odourlessB. Benzoic acid is insoluble in waterC. Acetic acid exists as dimer in vapour phaseD. Carboxylic acids show higher boiling points than alcohols of comparable molecular masses |
| Answer» Correct Answer - B | |
| 132. |
Which of the following reactions would give a good yield of hydrocarbon product ?A. `RCOOKoverset("Electrolysis")to`B. `RCOOAgoverset(Br_(2))to`C. `CH_(3)CH_(3)underset(hv)overset(Cl_(2))to`D. `(CH_(3))_(3)C-Cloverset(C_(2)H_(5)OH)to` |
| Answer» Correct Answer - A | |
| 133. |
The major product U in the following reaction is : A. B. C. D. |
| Answer» Correct Answer - B | |
| 134. |
The major product of the reaction is : A. B. C. D. |
| Answer» Correct Answer - C | |
| 135. |
The major product of the following reaction is : A. B. C. D. |
| Answer» Correct Answer - A | |
| 136. |
`CH_(3)COOH+CH_(2) =C=Oto (X)` (X) is most probably:A. `(CH_(3)CO)_(2)O`B. `CH_(3)COOCH_(2)CH_(3)`C. `CH_(3)CH_(2)COOCH_(3)`D. `(COOH)_(2)` |
| Answer» Correct Answer - A | |
| 137. |
`CH_(3)COOH+CH_(2) =C=Oto (X)` (X) is most probably:A. `(CH_(3)CO)_(2)O`B. `CH_(3)COOCH_(2)CH_(3)`C. `CH_(3)CH_(2)COOCH_(3)`D. `(COOH)_(2)` |
| Answer» Correct Answer - A | |
| 138. |
The general formula of `C_(n)H_(2n)O_(2)` could be for open chainA. diolsB. diketonesC. carboxylic acidsD. dialdehydes |
| Answer» Correct Answer - C | |
| 139. |
Which of the following compounds will not form an anhydride ?A. Propandioic acidB. Succine acidC. Hexandioic acidD. cis-But-2-en-1, 4-dioic acid |
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Answer» Correct Answer - A Propandioic acid will not form an anhydride as it does not form five or six membered ring `HOOC - CH_(2) - COOH underset(-2H_(2)O)rarr underset("carbon suboxide")(O = C = C = C = O)` |
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| 140. |
Which does not have a carboxyl group?A. Ascorbic acidB. AspirinC. Benzoic acidD. Pyruvic acid |
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Answer» Correct Answer - A Ascorbic acid is vitamin C and does not contains `-COOH` group |
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| 141. |
Which does not have a carboxyl group?A. benzoic acidB. lactic acidC. picric acidD. aspirin |
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Answer» Correct Answer - C Picric acid (2, 4, 6-trintrophenol) does not contain any `-COOH` group |
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| 142. |
The product formed by heating sucrose with conc. `HNO_(3)` isA. Citric acidB. lactic acidC. Sucrose nitrateD. Oxalic acid |
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Answer» Correct Answer - D `C_(12) H_(22) O_(11) underset([O])overset("Conc."HMO_(3))rarr underset("Oxalic acid")(6(COOH)_(2)) + 5 H_(2)O` |
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| 143. |
When sucrose is heated with cone. `HNO_(3)` in presence of `V_(2)O_(5)` , the product formed is:A. sucrose nitrateB. formic acidC. citric acidD. oxalic acid |
| Answer» Correct Answer - D | |
| 144. |
Lactic acid on heating with conc. `H_(2)SO_(4)` givesA. Acetic acidB. Propionic acidC. Acrylic acidD. Formic acid |
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Answer» Correct Answer - C See Lactic acid |
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| 145. |
Corrosive sublimate `(HgCl_(2))` can be used to distinguish betweenA. formic acid and acetic acidB. acetaldehyde and butanoneC. formaldehyde and propanoneD. all of the above |
| Answer» Correct Answer - A | |
| 146. |
In estrification, concentrated `H_(2)SO_(4)` acts as:A. catalystB. dehydrating agentC. hydrolysing agentD. both as a catalyst and dehydrating agent |
| Answer» Correct Answer - D | |
| 147. |
`HCOOH` reacts with conc. `H_(2)SO_(4)` to produceA. COB. `CO_(2)`C. `NO`D. `NO_(2)` |
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Answer» Correct Answer - A `HCOOH underset("Dehydration")overset("conc."H_(2)SO_(4))rarr CO + H_(2)O` |
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| 148. |
The calcium salt of which of the following acid on dry distillation gives 2, 4-dimethylpentan-3-one?A. Propionic acidB. Isobutyric acidC. Butyric acidD. Adipic acid |
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Answer» Correct Answer - B `2[(CH_(3))_(2) CHCOO]_(2) Ca overset("Dry distil")rarr (CH_(3))_(2) CH - overset(O)overset(||)(C) - CH (CH_(3))_(2) + CaCO_(3)` |
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| 149. |
`HCOOH` reacts with conc. `H_(2)SO_(4)` to give :A. `CO_(2)`B. `CO`C. oxalic acidD. acetic acid |
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Answer» Correct Answer - B See Formic acid |
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| 150. |
Which reducing agents of the following can be used for the following transformation ?A. `CH_(3) - CH = CH.COOH rarr CH_(3)CH = CH.CH_(2)OH`B. `LiAlH_(4)`C. `B_(2)H_(6)THF`D. `H_(2)//Ni` |
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Answer» Correct Answer - A Equimolar quantity of unsaturated acid and `LiAlH_(4)` reduces only `-COOH` group to `-CH_(2)OH` |
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