InterviewSolution
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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.
| 1. |
When propionic acid is treated with aqueous sodium becarbonate, `CO_(2)` is liberated. The carbon of `CO_(2)` comes fromA. methyl groupB. carboxylic acid groupC. methylene groupD. bicarbonate |
| Answer» Correct Answer - D | |
| 2. |
On strong heating, ammonium acetate givesA. acetamideB. methyl cyanideC. ureaD. formamide |
| Answer» Correct Answer - A | |
| 3. |
Ethanol reacts with acetyl chloride to formA. ethyl chlorideB. acetic acidC. methyl acetateD. ethyl acetate |
| Answer» Correct Answer - D | |
| 4. |
The weakest acid among the following isA. acetic acidB. phenolC. waterD. acetylene |
| Answer» Correct Answer - D | |
| 5. |
Which one of the following compounds gives carboxylic acid with `HNO_(2)`?A. `C_(6)H_(5)-overset(O)overset(||)(C)-Cl`B. `C_(6)H_(5)CONH_(2)`C. `CH_(3)-overset(O)overset(||)(C)-O-overset(O)overset(||)(C)-CH_(3)`D. `CH_(3)COOC_(2)H_(5)` |
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Answer» Correct Answer - B `C_(6)H_(5)overset(O)overset(||)(C)-NH_(2)overset(HNO_(2))toC_(6)H_(5)-overset(O)overset(||)(C)-OH+N_(2)+H_(2)O` |
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| 6. |
Which of the following is the least acidic?A. `C_(2)H_(5)OH`B. `CH_(3)CO OH`C. `C_(6)H_(5)OH`D. `ClCH_(2)CO OH` |
| Answer» Correct Answer - A | |
| 7. |
Which of the following will form acetyl chloride with `PCl_(5)`?A. `MeCOOH`B. `MeCOOMe`C. `MeCOOCOMe`D. `Me-CONH_(2)` |
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Answer» Correct Answer - A::B::C Acid, Ester, Anhydride on treatemtn with `PCl_(5)` give alkaneyl chloride. |
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| 8. |
Match the column - `{:("Column I","Column II"),((A)." "RCNoverset("reduction")to,(P)" "1^(@)" Amine"),((B)." "RCNunderset((ii)H_(2)O)overset((i)CH_(3)MgBr)to,(Q)." Alcohol"),((C)." "RNCoverset("hydrolysis")to,(R)." Ketone"),((D)." "RNH_(2)overset(HNO_(2))to,(S)." Acid"):}` |
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Answer» Correct Answer - A::B::C::D `R-CN overset("Reduction")toR-CH_(2)-NH_(2)` `R-CN underset((ii)H_(2)O)overset((i)CH_(3)MgBr)toR-overset(O)overset(||)(C)-R` `R-CN overset("Hydrolysis")toR-XIH_(2)+HCOOH` `R-NH_(2)overset(HN_(2)O)toR-OH` |
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| 9. |
Which one of the following compounds is least reactive with water?A. `CH_(3)-overset(O)overset(||)(C)-Cl`B. `C_(6)H_(5)-overset(O)overset(||)(C)-NH_(2)`C. `CH_(3)-overset(O)overset(||)(C)-NH_(2)`D. `C_(6)H_(5)-overset(O)overset(||)(C)-Cl` |
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Answer» Correct Answer - B Carbonyl carbon of `C_(6)H_(5)-overset(O)overset(||)(C)-overset(..)(N)H_(2) ` is less electron deficient. |
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| 10. |
Identify the end product in the following sequence of rections `CH_(3)COONH_(3)overset(Delta)toXunderset(Delta)overset(P_(2)O_(5))toYoverset(H_(2)O //H^(+))toZ`A. `CH_(3)CH_(2)CONH_(2)`B. `CH_(3)CN`C. `CH_(3)COOH`D. `(CH_(3)CO)_(2)O` |
| Answer» Correct Answer - C | |
| 11. |
On bromination, propionic acid gives two isomeric 2-bromopropionic acids. This pair is an example ofA. optical isomersB. cis-trans isomersC. chain isomersD. position isomers |
| Answer» Correct Answer - A | |
| 12. |
Which of the following is the strongest acid?A. `CF_(3)COOH`B. `CBr_(3)COOH`C. `CH_(3)COOH`D. `C Cl_(3)COOH` |
| Answer» Correct Answer - A | |
| 13. |
Which of the following is the strongest acid?A. `HCO OH`B. `CH_(3)CO OH`C. `(CH_(3))_(2)CHCO OH`D. `(CH_(3))_(3)C CO OH` |
| Answer» Correct Answer - A | |
| 14. |
Which of the following compounds will be optically active?A. `(CH_(3))_(2)CHOH`B. `CH_(3)CH_(2)CH_(2)CH_(3)`C. `CH_(3)-CHCl-CO OH`D. `(CH_(3))_(3)C Cl` |
| Answer» Correct Answer - C | |
| 15. |
Mesotartaric acid is optically inactive due toA. the presence of a plane of symmetryB. the absence of a plane of symmetryC. the presence of an axis of symmetryD. the absence of an axis of symmetry |
| Answer» Correct Answer - A | |
| 16. |
Among the given compounds, the decreasing order of r4eactivity to nucleophilic attach at carbonyl group is `CH_(3)COCl(I),CH_(3)CHO(II),CH_(3)CO OCH_(3)(III),CH_(3)CO OCOCH_(3)(IV)`A. `(I)gt(II)gt(III)gt(IV)`B. `(II)gt(I)gt(IV)gt(III)`C. `(I)gt(II)gt(IV)gt(III)`D. `(I)gt(IV)gt(III)gt(II)` |
| Answer» Correct Answer - D | |
| 17. |
Cyclohexene on oxidation with conc. `KMnO_(4)` formsA. `HOOC-(CH_(2))_(4)-COOH`B. `HOOC-(CH_(2))_(3)-COOH`C. `HOOC-(CH_(2))_(3)-overset(O)overset(||)(C)-CH_(3)`D. `HOOC-(CH_(2))_(4)-CH_(3)` |
| Answer» Correct Answer - A | |
| 18. |
Statement-I: `Me_(3)C-overset(O)overset(||)(C)-OH+overset(18)(MeOH)overset(conc.H_(2)SO_(4))toMe_(3)C-overset(O)overset(||)(C)-overset(18)(OM)e` (Major) Statement-II: During esterification removed water molecule contains H of alcohol and OH of carboxylic acid.A. If both statement-I& statement-II are true but statement-II is a correct explanation of the statement I.B. If both statement-I & statement-II are true but statement-II is not a correct explanation of the statement-IC. If statement-I is true but the statement-II is falseD. If statement-I is false but the statement-II is false |
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Answer» Correct Answer - D `MeC-COOH` undergoes `A_(AC)` and where major product in ether not ester. |
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| 19. |
Which one of the following esters cannot undergo self Claisen condensation?A. `CH_(3)-CH_(2)-CH_(2)-COOC_(2)H_(5)`B. `C_(6)H_(5)COOC_(2)H_(5)`C. `C_(6)H_(11)-CH_(2)-COOC_(2)H_(5)`D. `C_(6)H_(5)-CH_(2)COOC_(2)H_(5)` |
| Answer» Correct Answer - B | |
| 20. |
Ozonolysis of a compound Agathene dicarboxylic acid gives following compounds: On complete reduction by `Na-EtOH`. Agathene dicarboxylic acid give hydrocarbon `C_(20)H_(38)` which have 5 chiral carbon it. Q. True statement about agathene dicarboxylic acid is:A. it is a saturated compoundB. it gives red colour with 2,4-dinitrophenyl hydrazineC. it gives off effervescence of `overset(12)(C)O_(2)` with `NaHoverset(14)(C)O_(3)`D. none of the above |
| Answer» Correct Answer - D | |
| 21. |
In the given reaction `CH_(3)-CH_(2)-COOHunderset((ii)." "Br_(2)//Delta)overset((i)." "AgNO_(3))to[X]` [X] will beA. Ethyl bromideB. Propyl bromideC. Propyl propanoateD. All of these |
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Answer» Correct Answer - A `CH_(3)-CH_(2)-COOHunderset((ii)." "Br_(2))overset((i)." "AgNO_(3))toCH_(3)-CH_(2)-Br` |
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| 22. |
Which one of the following on heating gives unsaturated acid:A. `alpha-`hydroxy acidB. `beta-`Hydroxy acidC. `gamma`-Hydroxy acidD. `delta`-Hydroxy acid |
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Answer» Correct Answer - B `beta-`Hydroxy acids give unsaturated acid on heating |
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| 23. |
Which of the following will undergoes decarboxylatio on heating?A. Succinic acidB. Phthalic acidC. Malonic acidD. Glutaric acid |
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Answer» Correct Answer - C 1,3-Decarboxylic & `beta-` Keto acid undergo de decarboxylation on simple heating. |
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| 24. |
Carboxylic acids undergo ionisation due toA. absence of `alpha-`hydrogenB. resonance satabilisatio of carboxylate ionC. high reactivity of compoundD. hydrogen bonding |
| Answer» Correct Answer - B | |
| 25. |
Which of the following has the maximum acidic strength?A. o-nitrobenzoic acidB. m-nitrobenzoic acidC. p-nitrobenzoic acidD. p-nitrophenol |
| Answer» Correct Answer - A | |
| 26. |
Which of the following will undergo decarboxylation easily?A. `C_(6)H_(5)CO-CH_(2)-COOH`B. `C_(6)H_(5)-CO-COOH`C. `C_(6)H_(5)-underset(OH)underset(|)(C)H-COOH`D. `C_(6)H_(5)-underset(NH_(2))underset(|)(C)H-COOH` |
| Answer» Correct Answer - A | |
| 27. |
Which will form lactone on treatment with NaOH?A. `alpha`-Bromo acidB. `beta`-Bromo acidC. `beta-`Hydr4oxy acidD. `delta`-Bromo acid |
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Answer» Correct Answer - D `gamma&delta` hydroxy acid from lactone (Cyclie Exter) on heating. |
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| 28. |
The treatment of an open chain ester with `LiAlH_(4) ` followed by acid hydrolysis produces:A. Two aldehydeB. One carboxylic acid and one alcoholC. Two alcoholsD. Two acids |
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Answer» Correct Answer - C `R-overset(O)overset(||)(C)-O-Runderset((ii)." "overset(o+)(H)_(3)O)overset((i)." "LiAlH)toR-CH_(3)-OH+R-OH` |
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