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. |
Correct representation of 3-methylpent-3-en-2-ol isA. B. C. D. |
| Answer» Correct Answer - A | |
| 2. |
Which of the following is a characteristic feature of a free radical?A. It has a positive chargeB. It has a negative chargeC. It has all paired electrons.D. It has an unpaired electron. |
| Answer» Correct Answer - D | |
| 3. |
Those substaces can be separated by steam distillation which areA. steam volatile and insoluble in waterB. steam volatile and soluble in waterC. steam volatile and sparingly soluble in waterD. inliquid form in steam and solid form in water. |
| Answer» Correct Answer - A | |
| 4. |
Separation of two substances by crystallisation depends upon their differences inA. densitiesB. solubilityC. melting pointsD. boiling points |
| Answer» Correct Answer - B | |
| 5. |
Which of the following is not structure of nitromethane molecule?A. B. C. D. |
| Answer» Correct Answer - D | |
| 6. |
Maximum -I effect is exerted by the groupA. `-C_(6)H_(5)`B. `-OCH_(3)`C. `-Cl`D. `-NO_(2)` |
| Answer» Correct Answer - D | |
| 7. |
Inductive effect of which ato is taken as zero to compare inductive effect of other atoms?A. HydrogenB. ChlorineC. carbonD. oxygen |
| Answer» Correct Answer - A | |
| 8. |
Inductive effect involvesA. displacement off `sigma`-electrons resulting in polarisationB. displacement of `pi`-electrons resulting in polarisationC. delocalisation of `sigma`-electronsD. delocalisation of `pi`-electrons. |
| Answer» Correct Answer - A | |
| 9. |
Which of the followingg is an isomer of ethanol?A. MethanolB. AcetoneC. DiethyletherD. Dimethylether |
| Answer» Correct Answer - D | |
| 10. |
Which of the followingg intermediates contains three paris of electrons in its valence shell?A. CarbocationsB. CarbanionsC. Free radicalsD. Both (a) and (b) |
| Answer» Correct Answer - A | |
| 11. |
Which of the following orders correctly depicts the decreasing order of stability of carbanion?A. B. `OHC-underset(CHO)underset(|)overline(C)-CHO gt OHC- overline(C)H-CHO gt H_(3)C- underset(O)underset(||)(C)-overline(C)H-underset(O)underset(||)(C)-CH_(3) gt overline(C)H_(3)-CHO`C. `overline(C)H_(2)NO_(2) lt overline(C)H_(2)CN lt overline(C)H_(2)Cl lt overline(C)H_(2)CH_(3)`D. |
| Answer» Correct Answer - B | |
| 12. |
Stability of iso-butylene can be best explaned byA. inductive effectB. mesomeric effectC. hyperconjugative effectD. steric effect |
| Answer» Correct Answer - C | |
| 13. |
Match the column I with column II in which formula for estimation of ann element is given annd mark the appropriate choice. A. `Atov,Btoii,Ctoiv,Dtoi,Etoiii`B. `Atov,Btoiv,Ctoi,Dtoiii,Etoii`C. `Atov,Btoiv,Ctoii,Dtoi,Etoiii`D. `Atoiv,Btoiii,Ctoi,Dtoii,Etov` |
| Answer» Correct Answer - B | |
| 14. |
Assertion: Nitroalkanes and alkyl nitrites exhibit funcctional isomerism. Reason: Compounds having same molecular formula but different functonal groups are called functional isomers.A. If both assertion and reason are true and reason is the correct explanation of assertionB. If both assertion and reason are true but reason is not the correct explanation of assertionC. If assertion is true but reason is false.D. If both assertion and reason are false. |
| Answer» Correct Answer - A | |
| 15. |
The blue compound formed in the positive test for nitrogen with Lassaigne solution of an organic compound isA. `Na_(4)[Fe(CN)_(5)(NOS)]`B. `Na_(3)[Fe(CN)_(6)]`C. `Fe(CN)_(3)`D. `Fe_(4)[Fe(CN)_(6)]_(3)` |
| Answer» Correct Answer - D | |
| 16. |
1-Butene and cyclobutane showA. position isomerismB. ring-chain isomerismC. functional isomerismD. metamerism |
| Answer» Correct Answer - B | |
| 17. |
Which of the following alcohols on dehydration gives most stable carbocation?A. `CH_(3)-underset(CH_(3))underset(|)(C)H-CH_(2)OH`B. `CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C)-OH`C. `CH_(3)-CH_(2)-CH_(2)-CH_(2)OH`D. `CH_(3)-underset(OH)underset(|)(C)H-CH_(2)CH_(3)` |
| Answer» Correct Answer - B | |
| 18. |
Hyperconjugation is not possible inA. `CH_(3)-CH=CH_(2)`B. `CH_(2)=CH_(2)`C. D. `CH_(3)-underset(CH_(3))underset(|)(C)=underset(CH_(3))underset(|)(C)-CH_(3)` |
| Answer» Correct Answer - B | |
| 19. |
The IUPAC name of the compound shown below is A. 2-bromo-6-chlorocyclohex-1-eneB. 6-bromo-2-chlorocyclohexeneC. 3-bromo-1-chlorocyclohexeneD. 1-bromo-3-chlorocyclohexene |
| Answer» Correct Answer - C | |
| 20. |
The correct IUPAC name of the following compound is A. 2-ethyl-1-chlorocyclohexanolB. 4-chloro-5-ethylcyclohexanolC. 4-hydroxy-2-ethyl-1-chlorocyclohexaneD. 4-chloro-3-ethylcyclohexanol |
| Answer» Correct Answer - D | |
| 21. |
Which of the following is the correct IUPAC name?A. 3-Ethyl-4,4-dimethylheptaneB. 4,4-Dimethyl-3-ethylheptaneC. 5-Ethyl-4,4-dimethylheptaneD. 4,4-Bis(methyl)-3-ethylheptane |
| Answer» Correct Answer - A | |
| 22. |
What is the relationship between the structures shown ? A. Structural isomersB. Geometrical isomersC. Conformational structureD. Identical structructures |
| Answer» Correct Answer - C | |
| 23. |
Heterolysis of a carbon-chlorine bond producesA. two free radicalsB. two carbocationsC. one cation and one anionD. two carbanions. |
| Answer» Correct Answer - C | |
| 24. |
Which type of hybridisation of each carbon is there in the compound? `CH_(3)-CH=CH-CN`A. `sp^(3),sp^(2),sp^(2),sp`B. `sp^(3),sp^(2),sp^(2),sp^(3)`C. `sp^(3),sp^(2),sp^(3),sp^(3)`D. `sp^(3),sp^(2),sp,sp^(3)` |
| Answer» Correct Answer - A | |
| 25. |
Which of the following represents 3-methylpenta-1,3-diene?A. `CH_(2)=CH(CH_(2))_(2)CH_(3)`B. `CH_(2)=CHCH(CH_(3))CH_(2)CH_(3)`C. `CH_(3)CH=C(CH_(3))CH=CH_(2)`D. `CH_(3)CH=C(CH_(3))_(2)` |
| Answer» Correct Answer - C | |
| 26. |
IUPAC name of the compound A. 2,3-dimethylheptaneB. 3-methyl-4-ethyloctaneC. 5-ethyl-6-methyloctaneD. 4-ethyl-3-methyloctane. |
| Answer» Correct Answer - D | |
| 27. |
Assertion: The name of the hybrocarbon `(CH_(3))_(2)CHCH_(2)CH_(2)CH(CH_(3))CH_(2)CH_(3)` is 2,5-dimethylheptane and not 3,6-dimethylheptane. Reason: Numbering should be done in such a way that sum of the locants on the parennt chain is lowest possible number.A. If both assertion and reason are true and reason is the correct explanation of assertionB. If both assertion and reason are true but reason is not the correct explanation of assertionC. If assertion is true but reason is false.D. If both assertion and reason are false. |
| Answer» Correct Answer - A | |
| 28. |
IUPAC name of `(CH_(3))_(3)C-CH=CH_(2)` isA. 2,2-dimethylbut-3-eneB. 2,2-dimethylpent-4-eneC. 3,3-dimethylbut-1-eneD. hex-1-ene |
| Answer» Correct Answer - C | |
| 29. |
What are the hybridization and shapes of the following molecules? (i) `CH_(3)F` (ii) `HC-=N`A. (i) `sp^(2)`, trigonal planar, (ii) `sp^(3)`, tetrahedralB. (i) `sp^(3)`, tetrahedral, (ii) sp, linearC. (i) sp, linear, (ii) `sp^(2)`, trigonal planarD. (i) `sp^(2)`, trigonal planar, (ii) `sp^(2)`, trigonal planar |
| Answer» Correct Answer - B | |
| 30. |
Correct name for the given compound `CH_(3)-CH_(2)-underset(CH_(2)CH_(3))underset(|)(C)H-CH_(2)-underset(CH_(3))underset(|)(C)H-CH_(2)-CH_(3)` isA. 3-ethyl-5-methylheptaneB. 5-ethyl-3-methylheptaneC. 1,1-diethyl-3-methylpentaneD. 3-methyl-5,5-diethylpentane |
| Answer» Correct Answer - A | |
| 31. |
Hyperconjugation isA. `sigma-pi` conjugationB. noticed due to delocalisation of `sigma and pi` bondC. no bond resonanceD. all the above |
| Answer» Correct Answer - D | |
| 32. |
Which of the following correctly matched the bond line and condensed structure of the compounds ? A. (i) onlyB. (ii) onlyC. (i) and (ii) onlyD. (i),(ii) and (iii) |
| Answer» Correct Answer - D | |