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. |
Only two isomeric monochloro derivatives are possible for : -A. n-PentaneB. 2,4 -Dimethyl pentaneC. TolluneD. 2,3-Dimethyl butane |
| Answer» Correct Answer - D | |
| 2. |
Of the five isomeric hexanes, the isomer which can give two monochlorinated compounds isA. n-HexaneB. 2,3-Dimethyl butaneC. 2,2-DimethylbutaneD. 2-Methylpentane |
| Answer» Correct Answer - B | |
| 3. |
For the formation of two different organic compounds the only correct combination isA. (I),(ii),(R)B. (IV),(i),(P)C. (II),(iii),(Q)D. (IV),(ii),(R) |
| Answer» Correct Answer - B | |
| 4. |
The only correct combination in which the reaction does not proceed through redox mechanism.A. (I),(ii),(R)B. (IV),(i),(P)C. (II),(iv),(S)D. (II),(ii),(R) |
| Answer» Correct Answer - C | |
| 5. |
For the formation of silver mirror the only correct combination is :A. (IV), (ii) ,(R)B. (II),(ii),(R)C. (III),(i),(R)D. (I),(ii),(R) |
| Answer» Correct Answer - D | |
| 6. |
Silver Miror test is given by which one of the following compounds?A. AcetaldehydeB. AcetoneC. FormaldehydeD. Benzophenone |
| Answer» Correct Answer - A::C | |
| 7. |
Observe the following compound and select +ve & -ve test respectively A. `+ + + -`B. `+ + + + `C. ` + - + -`D. `+ - - + ` |
| Answer» Correct Answer - A | |
| 8. |
The best and latest technique for isolation, purification and separation of organic compound isA. chromatographyB. Steam distillationC. crystallisationD. vacuum distilation |
| Answer» Correct Answer - A | |
| 9. |
Which of the following compound will not react with `I_(2)//OH^(-)`A. B. C. D. `CH_(3)-CHO` |
| Answer» Correct Answer - C | |
| 10. |
The following two compounds I and II can be distinguished by using reagent (a) aq. `NaHCO_(3)` (b) Neutral `FeCl_(3)` (c) Blue litmus solution (d) Na metal (e) HCl/`ZnCl_(2)` anhydrousA. a or cB. b or eC. d or eD. c or d |
| Answer» Correct Answer - B | |
| 11. |
An organic compound with 68.9 % of C and 4.92 % of H, is aromatic and gives `CO_(2)` with `NaHCO_(3)`. The organic compound isA. B. C. D. |
| Answer» Correct Answer - A | |
| 12. |
Which of the following tests could be performed to distinguish between 1-butyne and 2-butyne. ?A. `Ag^(+)//NH_(3)`B. `Br_(2)//C Cl_(4)`C. `H_(2)//Pt`D. `Hg^(+2)//H_(2)SO_(4)` |
| Answer» Correct Answer - A | |
| 13. |
A fractional column is used in :A. sublimationB. distillationC. fractional distillationD. simple distillation. |
| Answer» Correct Answer - C | |
| 14. |
What simple laboratory test could be performed to distinguished between 1-pentyne and 2-pentyne ?A. the addition of `Ag^(+)` in ammoniaB. the addition of `H_(2)SO_(4)` in `Hg^(+2)`C. the addition of `Br_(2)` in `C Cl_(4)`D. the addition of `H_(2)` on a Pt catalyst |
| Answer» Correct Answer - A | |
| 15. |
The following statements is true only under some specific conditions. Write the condition for it "Two volatile and miscible liquids can be separated by fractional distillation into pure components."A. they have low boiling pointsB. the difference in their boiling points is largeC. the boiling points of the liquids are close to each otherD. they do not form azeotropic mixture |
| Answer» Correct Answer - D | |
| 16. |
Chromatogrphy technique is used for the separation ofA. small samples of mixturesB. plant pigmentsC. dye stuffsD. all of the above |
| Answer» Correct Answer - D | |
| 17. |
Simple distillation involves all the following process except A. change of stateB. boilingC. condensationD. evaporation |
| Answer» Correct Answer - D | |
| 18. |
The equivalent wieght of an acid is equal toA. Molecular weight x acidityB. Molecular weight x basicityC. molecular weight/basicityD. molecular weight /acidity |
| Answer» Correct Answer - C | |
| 19. |
Oils are purified by:A. Fractional distillationB. Steam distillationC. vacuum distilationD. Simple distillation. |
| Answer» Correct Answer - B | |
| 20. |
6 g of the organic compound on heating with NaOH gave `NH_(3)` which is neutralised by 200 mL of 1 NHCl. Percentage of nitrogen isA. 0.12B. 0.6C. 0.4667D. 0.2667 |
| Answer» Correct Answer - C | |
| 21. |
Anthracene is purified byA. FiltrationB. distillationC. crystallisationD. Sublimation |
| Answer» Correct Answer - D | |
| 22. |
Lucas reagent is `,`A. anhydrous `CaCl_(2)` and conc. HClB. anhydrous `ZnCl_(2)` and conc. HClC. anhydrous `AlCl_(3)` and conc. HClD. anhydrous `PdCl_(2)` and conc. HCl |
| Answer» Correct Answer - B | |
| 23. |
Fehling solution isA. `AgNO_(3)` solution +NaOH solution +`NH_(4)OH`B. Alkaline solution of Cupric ion complexed with citrate ionC. Copper sulphate + sodium potassium tartarate +NaOHD. Copper sulphate solution |
| Answer» Correct Answer - C | |
| 24. |
Which of the following will not give positive test with `CHCl_(3)//KOH`.A. `CH_(3)-CH_(2)-NH-CH_(3)`B. `CH_(3)-CH_(2)-CH_(2)-NH_(2)`C. D. `CH_(3)-overset(CH_(3))overset(|)(CH)-NH_(2)` |
| Answer» Correct Answer - A | |
| 25. |
Molisch reagent is used to identify following compound ?A. GlucoseB. RaffinoseC. D-oxyriboseD. all of the above |
| Answer» Correct Answer - D | |
| 26. |
A positive carbylamine test is given by:A. N,N -dimethylanilineB. 2,4 -dimethylanilineC. N -methyl-o-methylanilineD. N-methylaniline |
| Answer» Correct Answer - B | |
| 27. |
Which of the following compound will give smell of `NH_(3)` with conc. NaOHA. `CH_(3)-CH_(2)-underset(O)underset(||)(C)-NH_(2)`B. `CH_(3)-underset(O)underset(||)(C)-CH_(2)-NH_(2)`C. D. `CH_(3)-CH_(2)-underset(O)underset(||)(C)-OH` |
| Answer» Correct Answer - A | |
| 28. |
Nitrogen containing organic compound when fused with sodium metal formsA. `NaNO_(2)`B. NaCNC. `NaNH_(2)`D. NaNC |
| Answer» Correct Answer - B | |
| 29. |
Which of the following would produce effervescence with sodium bicarbonate ?A. B. C. D. All of these |
| Answer» Correct Answer - D | |
| 30. |
Compound X isA. `H_(3)C-C-=C-CH_(3)`B. `CH_(2)=CH-CH=CH_(2)`C. `CH_(3)-CH_(2)-C-=CH`D. |
| Answer» Correct Answer - C | |
| 31. |
When one mole of the given compound reats with sodium metal then how many moles of `H_(2)` gas will release A. 1 moleB. 1.5 moleC. 2 moleD. 0.5 mole |
| Answer» Correct Answer - D | |
| 32. |
Number of moles of hydrogen will required for complete hydrogenation of one mole of following compound A. 6B. 7C. 5D. 3 |
| Answer» Correct Answer - C | |
| 33. |
Which of the following hydrocarbons give same product on hydrogenation.A. 2-methyl hex-1-ene & 3-Methyl hex-3 -eneB. 3-Ethyl hex-1-en-4-yne & 2-Methylhept 3-ene-4-eynC. 3-Ethylcylcoprop-1-ene & 1,2-Dimethylcycloprop-1-eneD. 2-Methylbut-2-ene & 1,2-Dimethylcycloprop -1-ene |
| Answer» Correct Answer - D | |
| 34. |
Correct statements (s) about is /areA. It gives coloured solution with neutral `FeCl_(3)` solutionB. It liberates `H_(2)` gas with Na metalC. It gives positive iodoform test.D. It forms sweet smelling compound with alcohols. |
| Answer» Correct Answer - A::B::C | |
| 35. |
Product M cannot respond with :A. 2,4 -DNPB. Ammonical silver nitrateC. Sodium hypoioditeD. Sodium bicarbonate |
| Answer» Correct Answer - D | |
| 36. |
How many alkene on catalytic hydrogenation given isopentane as a product?A. 2B. 3C. 4D. 5 |
| Answer» Correct Answer - B | |
| 37. |
Number of moles of ozone used for one mole of the given unsaturated hydrocarbons ?A. 1B. 2C. 3D. 4 |
| Answer» Correct Answer - C | |
| 38. |
The degreen of unsaturation of followng compound `C_(n)H_(12)O,C_(3)H_(5)N,C_(4)H_(8)O` are respectively.A. 4,3,2B. 3,2,1C. 2,1,3D. 2,2,3 |
| Answer» Correct Answer - B | |
| 39. |
Ammonical `AgNO_(3)` gives white ppt after reaction with any compound then this reflects the presence ofA. One-CHO groupB. One tripe bondC. A terminal alkyleneD. Compound is unsaturated |
| Answer» Correct Answer - C | |
| 40. |
An alkene `(A) overset("Ozonolysis")to (##RES_CHM_SIPOC_E02_002_Q01.png" width="80%"> , A isA. B. C. D. |
| Answer» Correct Answer - C | |
| 41. |
In sulphur estimation, 0.157 g of an organic compound gave 0.4813 g of barium sulphate. What is the percentage of sulphur in the compound?A. 0.387B. 0.185C. 0.421D. 0.019 |
| Answer» Correct Answer - C | |
| 42. |
In the Dumas method for the estimation of nitrogen , 0.0237 grams of organic compound gave 2.21 mL of nitrogen at 754.32 mm of Hg pressure at `18^@C` . (Aqueous tension at `18^(@)C ` is 15.4 mm of Hg) therefore the percentage of nitrogen in the compound isA. 0.2067B. 0.106C. 0.112D. 0.139 |
| Answer» Correct Answer - B | |
| 43. |
During estimation of nitrogen present in an organic compound by Kjeldahl’s method, the ammonia evolved from 0.5 g of the compound in Kjeldahl’s estimation of nitrogen, neutralized 10 mL of 1 M `H_(2)SO_(4)`. Find out the percentage of nitrogen in the compound.A. 0.84B. 0.56C. 0.72D. 0.34 |
| Answer» Correct Answer - B | |