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. |
For the reaction, `A_((g))+2B_((g))hArr 3C_((g))+3_((g)),K_(p)=0.05" atm at "1000K`. The value of `K_(c)` is represented byA. `5xx10^(-4)R`B. `(5xx10^(-4))/(R)`C. `5xx10^(-5)R`D. `(5xx10^(-5))/(R)` |
| Answer» Correct Answer - D | |
| 2. |
The number of Faradays needed to reduce 4 g equivalents of ` Cu^(2+)` to Cu metal will beA. 1B. 2C. `1//2`D. 4 |
| Answer» Correct Answer - D | |
| 3. |
The arrangement ABC ABC….is referred to asA. octahedral close packingB. hexagonal close packingC. tetrahedral close packingD. cubic close packing |
| Answer» Correct Answer - D | |
| 4. |
An example of dibasic acid isA. orthophosphorous acidB. orthophosphoric acidC. hypophosphorous acidD. pyrophosphoric acid. |
| Answer» Correct Answer - B | |
| 5. |
Equanil is an example ofA. artificial sweetenersB. tranquilizersC. antihistaminesD. antifertility drugs . |
| Answer» Correct Answer - B | |
| 6. |
The ratio of average speed of an oxygen molcule to the RMS speed of a nitrogen molecule at the same temperature isA. `((3pi)/(7))^(1//2)`B. `((7)/(3pi))^(1//2)`C. `((3)/(7pi))^(1//2)`D. `((7pi)/(3))^(1//2)` |
| Answer» Correct Answer - B | |
| 7. |
Air contains 21% of oxygen by volume. The number of moles of `O_(2)` present in 5L of air at STP conditionsA. `2.23xx10^(-1)`B. `4.68xx10^(-4)`C. `4.68xx10^(-2)`D. `0.0234` |
| Answer» Correct Answer - C | |
| 8. |
With rise in temperature, viscosity of a liquidA. increasesB. decreasesC. remains constantD. may increase or decrease |
| Answer» Correct Answer - B | |
| 9. |
Elements of group 14 exhibit oxidation state ofA. `+4` onlyB. `+2 and +4` onlyC. `+1 and +3 only`D. `+2` only |
| Answer» Correct Answer - B | |
| 10. |
Which of the following pairs form the same osazone ?A. Glucose and fructoseB. Glucose and galactoseC. Glucose and arabinoseD. Lactose and maltose |
| Answer» Correct Answer - A | |
| 11. |
The substance used as a adsorbentt in the columnA. `Na_(2)O`B. `Na_(2)SO_(4)`C. `Al_(2)O_(3)`D. alum. |
| Answer» Correct Answer - C | |
| 12. |
Which one has the highest melting point ?A. Ionic crystalB. Molecular crystalC. Covalent crystalD. Metallic crystal |
| Answer» Correct Answer - C | |
| 13. |
In the following question, a statement of assertion is followed by a statement of reason. Mark the correct choice. Assertion : In any ionic solid [MX] with schottky defects, the number of positive and negative ions are same. Reason : Equal number of cation and aniojn vacancies are present .A. Both assertion and reason are true and reason is the correct explanation of assertion .B. Both assertion and reason are true but reason.C. Assertion is true but reason is false.D. Both assertion and reason are false. |
| Answer» Correct Answer - A | |
| 14. |
Which of the following is not an artificial sweetener ?A. SucraloseB. AlitameC. SaccharinD. Sucrose |
| Answer» Correct Answer - D | |
| 15. |
Match the column I with column II and mark the appropriate choice. A. ` A to ii, B to I, C to iv, D to iii`B. `A to iii, B to iv, C to I, D to ii`C. `A to ii, B to iv, C to iii, D to i`D. `A to iv , B to I, C to iii, D to ii` |
| Answer» Correct Answer - A | |
| 16. |
Lanthanoids are-A. 14 elements in the sixth period (atomic no. 90 to 103) that are filling 4f sublevelB. 14 elements in the seventh period (atomic no. 90 to 103 ) that are filling 5f sublevelC. 14 elements it the sixth period (atomic no. 58 to 71) that are filling the 4f sublevelD. 14 elements in the seventh period (atomic no. 50 to 71) that are filling 4f sublevel. |
| Answer» Correct Answer - C | |
| 17. |
What is the main composition of matte?A. CuSB. CuOC. `Cu_(2)S`D. `Cu_(2)O` |
| Answer» Correct Answer - C | |
| 18. |
Which of the following pairs of structures represents facial and meridional isomers resectively ?A. B. C. D. |
| Answer» Correct Answer - A | |
| 19. |
Back bonding in `BF_(3)` does not afectA. planarity, lewis acidic strength and bond angleB. bond length, hybridisation and bond strengthC. bond angle, planarity, geometryD. Lewis acidity, bond length, bond order (B-F) |
| Answer» Correct Answer - C | |
| 20. |
Which of the following is incorect?A. HydrogengtDeuteriumgtTritium, (%relative abundance)B. Hydrogen`lt`Deuterium`lt`Tritium,(density/g `L^(-1)`)C. Hydrogen`lt`deuterium`lt`tritium,(boiling ponit/K)D. HydreogengtDeuteriumgttritium,(melting point/K) |
| Answer» Correct Answer - D | |
| 21. |
In the long form of the periodic table, the transition metals are placed inA. s-blockB. f-blockC. d-blockD. s and p- block. |
| Answer» Correct Answer - C | |
| 22. |
Which of the following statement are correct ? (i) Smaller the gold number of lyophilic colloid, larger will be its protective power (ii) Lyophilic sols , in contrast to lyophobic sols are easily coagulated on addition of small amounts of electrolytes. (iii) Ferric chloride solution is used to stop bleeding from a fresh cut because it coagulating the blood (iv) The flocculatin value of arsenious sulphide sol is independent of the anion of the coagulatingA. (i),(ii) and (iii)B. (i) , (iii) and (iv)C. (ii) , (iii) and (iv)D. (i),(ii) and (iv) |
| Answer» Correct Answer - B | |
| 23. |
The method of zone refining of metals is based on the principle ofA. greater mobility of pure metal than that of impurityB. higher melting point of the impurity than that of pure metalC. greater noble character of solid metal than that of impurityD. greater solubility of the impurity in the molten state than in the solid. |
| Answer» Correct Answer - D | |
| 24. |
Which of the following is a fat soluble vitamin ?A. Vitamin AB. Vitamin CC. PyridoxineD. Vitamin -B- complex |
| Answer» Correct Answer - A | |
| 25. |
Antiseptic Chloroxylenol isA. 4-chloro-3. 5- dimethylphenolB. 3- chloro-4, 5- dimethylphenolC. 4-chloro-2, 5- dimethylphenolD. 5-chloro -3, 4- dimethylphenol |
| Answer» Correct Answer - A | |
| 26. |
Which of the following is the most impure form of iron ?A. Bessemer ironB. SteelC. Pig ironD. Wrought iron |
| Answer» Correct Answer - C | |
| 27. |
MgO crystallized as rock salt. The number of nearest oxide ions to `Mg^(2+)` ion isA. twoB. fourC. sixD. twelve |
| Answer» Correct Answer - C | |
| 28. |
Name of the drug whose structure given below is A. ChloramphenicolB. vancomycinC. penicillinD. ofloxacin |
| Answer» Correct Answer - C | |
| 29. |
Which of the following structure is correctly drawn according to fundamental idea of VSEPR theory?A. B. C. D. |
| Answer» Correct Answer - C | |
| 30. |
In which of the following ionisation processes, the bond order has increased and the magnetic behaviour has changed?A. `N_(2)toN_(2)^(+)`B. `C_(2) to C_(2)^(+)`C. `NO to NO^(+)`D. `O_(2) to O_(2)^(+)` |
| Answer» Correct Answer - C | |
| 31. |
Out off `N_(2)O,SO_(2),I_(3)^(+),I_(3)^(-),H_(2)O,NO_(2)^(-),N_(3)^(-)`, the linear species are:A. `NO_(2)^(-),I_(3)^(+),H_(2)O`B. `N_(2)O,I_(3)^(+),N_(3)^(-)`C. `N_(2)O,I_(3)^(-),N_(3)^(-)`D. `N_(3)^(-),I_(3)^(-),NO_(2)^(-)` |
| Answer» Correct Answer - C | |