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This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Calculate the electrode potential at 25∘ C of Cr+3,Cr2O2−7 electrode at pOH=11 in a solution of 0.01 M both in Cr3+ and Cr2O2−7.Cr2O2−7+14H++6e−→2Cr3++7H2OE∘=1.33 V |
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Answer» Calculate the electrode potential at 25∘ C of Cr+3,Cr2O2−7 electrode at pOH=11 in a solution of 0.01 M both in Cr3+ and Cr2O2−7. |
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| 2. |
37 Vapour pressur of water is 360mm of Hg. How much urea should be added to 200ml water to reduce its vapour pressure by 0.5%? |
| Answer» 37 Vapour pressur of water is 360mm of Hg. How much urea should be added to 200ml water to reduce its vapour pressure by 0.5%? | |
| 3. |
assertion equivalent weiggt of NH3 in the rxn N2-NH3 is 17/3 while that of N2 is 28/6 how this eq weight identified |
| Answer» assertion equivalent weiggt of NH3 in the rxn N2-NH3 is 17/3 while that of N2 is 28/6 how this eq weight identified | |
| 4. |
Does the Wave nature of matter main that electron like a wave in the atom? |
| Answer» Does the Wave nature of matter main that electron like a wave in the atom? | |
| 5. |
The product obtained on oxidation of sodium borohydride by iodine is: |
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Answer» The product obtained on oxidation of sodium borohydride by iodine is: |
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| 6. |
The maximum number of isomers (including stereoisomers) that are possible during monochlorination of the following compound are |
Answer» The maximum number of isomers (including stereoisomers) that are possible during monochlorination of the following compound are  |
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| 7. |
Which law states that, 'The ratio between the volumes of the reactant gases and the gaseous products can be expressed in simple whole numbers.' |
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Answer» Which law states that, 'The ratio between the volumes of the reactant gases and the gaseous products can be expressed in simple whole numbers.' |
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| 8. |
The number and type of bonds between two carbon atoms in calcium carbide are |
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Answer» The number and type of bonds between two carbon atoms in calcium carbide are
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| 9. |
Why sigma bond is symmetrical and pie is asymmetrical? Why rotation around sigma is possible not around pie? |
| Answer» Why sigma bond is symmetrical and pie is asymmetrical? Why rotation around sigma is possible not around pie? | |
| 10. |
ethene +br2 in the presence of ccl4 and dark give |
| Answer» ethene +br2 in the presence of ccl4 and dark give | |
| 11. |
Calculatethe pH of the resultant mixtures:a)10 mL of 0.2M Ca(OH)2+ 25 mL of 0.1M HClb)10 mL of 0.01M H2SO4+ 10 mL of 0.01M Ca(OH)2c)10 mL of 0.1M H2SO4+ 10 mL of 0.1M KOH |
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Answer» Calculate a) b) c) |
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| 12. |
Is there any relation between bond length and dipole |
| Answer» Is there any relation between bond length and dipole | |
| 13. |
5.6 litres of a gas weighs 1 g at STP. The gas can be: |
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Answer» 5.6 litres of a gas weighs 1 g at STP. The gas can be: |
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| 14. |
What are fillers and what role these fillers play in soap? |
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Answer» What are fillers and what role these fillers play in soap? |
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| 15. |
What is the difference between molarity and normality? |
| Answer» What is the difference between molarity and normality? | |
| 16. |
In hydrogen atom, the de Broglie wavelength of an electron in the second Bohr orbit is [Given that Bohr radius, a0=52.9 pm]: |
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Answer» In hydrogen atom, the de Broglie wavelength of an electron in the second Bohr orbit is [Given that Bohr radius, a0=52.9 pm]: |
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| 17. |
Major product 'P' is: |
Answer»  Major product 'P' is: |
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| 18. |
The correct ground state electronic configuration of chromium atom is |
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Answer» The correct ground state electronic configuration of chromium atom is |
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| 19. |
ntA solution of 1.25 g electrolyte in 20 g water freezes at 271.94 K. If K of water is 1.86 K kg/mol. Find the molecular mass of solute?n |
| Answer» ntA solution of 1.25 g electrolyte in 20 g water freezes at 271.94 K. If K of water is 1.86 K kg/mol. Find the molecular mass of solute?n | |
| 20. |
Which among the following compound have non-zero dipole moment? |
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Answer» Which among the following compound have non-zero dipole moment? |
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| 21. |
Molar mass of 10 gm of 2h2 |
| Answer» Molar mass of 10 gm of 2h2 | |
| 22. |
In which of the following reaction does hydrogen act as an oxidising agent? |
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Answer» In which of the following reaction does hydrogen act as an oxidising agent? |
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| 23. |
29. Henry's law constant for molality of methane in benzene at 298K is 4.27 × 105 mm Hg. Calculate the solubility of methane in benzene at 298 K under 760 mm Hg. |
| Answer» 29. Henry's law constant for molality of methane in benzene at 298K is 4.27 × 105 mm Hg. Calculate the solubility of methane in benzene at 298 K under 760 mm Hg. | |
| 24. |
Consider the following compounds in the liquid form:O2,HF,H2O,NH3,H2O2,CCl4,CHCl3,C6H6,C6H5ClWhen a charged comb is brought near their flowing stream, how many of them show deflection as per the following figure? |
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Answer» Consider the following compounds in the liquid form:O2,HF,H2O,NH3,H2O2,CCl4,CHCl3,C6H6,C6H5Cl When a charged comb is brought near their flowing stream, how many of them show deflection as per the following figure?  |
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| 25. |
Find moles of atoms in 64g of CH4? |
| Answer» Find moles of atoms in 64g of CH4? | |
| 26. |
The IUPAC name of C6H5 - CO - CH2 - CH3 |
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Answer» The IUPAC name of C6H5 - CO - CH2 - CH3 |
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| 27. |
How to obtain naphthalene from benzene? |
| Answer» How to obtain naphthalene from benzene? | |
| 28. |
20ml of 0.2M Al2(SO4)3 is mixed with 20ml of 6.6M BaCl2 the concentration of Cl- ion in solution is |
| Answer» 20ml of 0.2M Al2(SO4)3 is mixed with 20ml of 6.6M BaCl2 the concentration of Cl- ion in solution is | |
| 29. |
how to find the hybridisation for silicon carbide and the hybridisation for N3? |
| Answer» how to find the hybridisation for silicon carbide and the hybridisation for N3? | |
| 30. |
Effect of hybridisation on bond angle? |
| Answer» Effect of hybridisation on bond angle? | |
| 31. |
for zero order reaction relation between t11st/2 and t12nd/2 |
| Answer» for zero order reaction relation between t11st/2 and t12nd/2 | |
| 32. |
What are meso compound? |
| Answer» What are meso compound? | |
| 33. |
Assuming complete ionization, same moles of which of the following compounds will require the least amount of acidified KMnO4 for complete oxidation? |
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Answer» Assuming complete ionization, same moles of which of the following compounds will require the least amount of acidified KMnO4 for complete oxidation? |
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| 34. |
23. How to find that which of the following is aromatic or antiaromatic or non aromatic |
| Answer» 23. How to find that which of the following is aromatic or antiaromatic or non aromatic | |
| 35. |
19. The amount of ice that must be melt to decrease { the volume of an ice water mixture by 1cm^3, is |
| Answer» 19. The amount of ice that must be melt to decrease { the volume of an ice water mixture by 1cm^3, is | |
| 36. |
Which of the following cannot be functional isomers? |
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Answer» Which of the following cannot be functional isomers? |
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| 37. |
Where are tubules of ER present? |
| Answer» Where are tubules of ER present? | |
| 38. |
Why riversible reaction doesn't complete? |
| Answer» Why riversible reaction doesn't complete? | |
| 39. |
Given the best condition for this transformation: |
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Answer» Given the best condition for this transformation: |
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| 40. |
In a binary symmetric channel the crossover probabilities of the channel is given as 0.2, then the maximum mutual information of the channel is equal is equal to ________ bits/symbol.0.278 |
Answer» In a binary symmetric channel the crossover probabilities of the channel is given as 0.2, then the maximum mutual information of the channel is equal is equal to ________ bits/symbol.
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| 41. |
2. Hybridisation influences the bond length and bond enthalpy in organic compound .Why and how? |
| Answer» 2. Hybridisation influences the bond length and bond enthalpy in organic compound .Why and how? | |
| 42. |
A volume of 500 mL of 0.1 M CuSO4 solution is electrolysed for 5 min at a current of 0.161 A. If Cu is produced at one electrode and oxygen at the other, the approximate pH of the final solution is: |
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Answer» A volume of 500 mL of 0.1 M CuSO4 solution is electrolysed for 5 min at a current of 0.161 A. If Cu is produced at one electrode and oxygen at the other, the approximate pH of the final solution is: |
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| 43. |
2.5 g sample of bronze was dissolved in sulphuric acid to form CuSO4. To this solution excess KI was added to form CuI and I−3. The I−3 formed required 31.5 ml of 1.0 M sodium thiosulphote solution for completing titration. Determine the mass percentage of Cu in the Bronze sample (Cu: 63.5 I: 126.9) |
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Answer» 2.5 g sample of bronze was dissolved in sulphuric acid to form CuSO4. To this solution excess KI was added to form CuI and I−3. The I−3 formed required 31.5 ml of 1.0 M sodium thiosulphote solution for completing titration. Determine the mass percentage of Cu in the Bronze sample (Cu: 63.5 I: 126.9) |
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| 44. |
Reagent is: |
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Answer»
Reagent is: |
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| 45. |
WHAT IS THE SPEED THROUGH WHICH A BLACKHOLE PULLS OBJECTS TOWARDS IT? |
| Answer» WHAT IS THE SPEED THROUGH WHICH A BLACKHOLE PULLS OBJECTS TOWARDS IT? | |
| 46. |
The wavelength of sodium light in air is 589 nm. (a) Find its frequency in air. (b) Find its wavelength in water (refractive index = 1.33). (c) Find its frequency in water. (d) Find its speed in water. |
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Answer» The wavelength of sodium light in air is 589 nm. (a) Find its frequency in air. (b) Find its wavelength in water (refractive index = 1.33). (c) Find its frequency in water. (d) Find its speed in water. |
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| 47. |
The mineral colemanite is finely powdered and boiled with sodium carbonate solution. The precipitate of CaCO3 and other two products X and Y are formed. On passing a current of CO2,Y produces X. Find X and Y. |
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Answer» The mineral colemanite is finely powdered and boiled with sodium carbonate solution. The precipitate of CaCO3 and other two products X and Y are formed. On passing a current of CO2,Y produces X. Find X and Y. |
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| 48. |
Match the following1. PCl3a. 2 lone pairsA. 5 Ligands2. ClF3b. 3 lone pairsB. 3 Ligands3. XeF6c. 0 lone pairsC. 6 Ligands4. SbCl5d. 1 lone pairsD. 4 Ligands |
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Answer» Match the following |
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| 49. |
conversion of benzene to 3 ethyl bromo benzene |
| Answer» conversion of benzene to 3 ethyl bromo benzene | |
| 50. |
The electronic configurations of Eu (Atomic no. 63), Gd (Atomic No. 64) and Tb (Atomic No. 65) are: |
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Answer» The electronic configurations of Eu (Atomic no. 63), Gd (Atomic No. 64) and Tb (Atomic No. 65) are: |
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