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. |
Which of the following statement does not hold true for the following reaction?xCu3P+yCr2O2−7+zH+→Cu2++H3PO4+Cr3+ |
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Answer» Which of the following statement does not hold true for the following reaction? |
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| 2. |
R-CO-R' REACTING WITH CONC.H2SO4 GIVES ? R-CO-R' REACTING WITH DIL. H2SO4 GIVES ? R-OH REACTING WITH CONC.H2SO4 GIVES ? R-OH REACTING WITH DIL.H2SO4 GIVES ? SYMMETRICAL ETHER REACTING WITH HI GIVES ? UNSYMMETRICAL ETHER REACTING WITH HI GIVES ? |
| Answer» R-CO-R' REACTING WITH CONC.H2SO4 GIVES ? R-CO-R' REACTING WITH DIL. H2SO4 GIVES ? R-OH REACTING WITH CONC.H2SO4 GIVES ? R-OH REACTING WITH DIL.H2SO4 GIVES ? SYMMETRICAL ETHER REACTING WITH HI GIVES ? UNSYMMETRICAL ETHER REACTING WITH HI GIVES ? | |
| 3. |
Which of the following compound has the largest equilibrium constant for the addition of water ? |
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Answer» Which of the following compound has the largest equilibrium constant for the addition of water ? |
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| 4. |
The product D of the reaction CH3ClKCN−−−→(A)H2O−−→(B)NH3−−−→(C)△−→(D)is |
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Answer» The product D of the reaction |
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| 5. |
Following figure shows two processes A and B for a gas. If ΔQA and ΔQB are the amount of heat absorbed by the system in two cases and ΔUA and ΔUB are changes in internal energies respectively, then |
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Answer» Following figure shows two processes A and B for a gas. If ΔQA and ΔQB are the amount of heat absorbed by the system in two cases and ΔUA and ΔUB are changes in internal energies respectively, then |
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| 6. |
Oxidation states of +2 or +4 cannot be shown by: |
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Answer» Oxidation states of +2 or +4 cannot be shown by: |
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| 7. |
Which one of the following react with phenol to form anisole? |
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Answer» Which one of the following react with phenol to form anisole? |
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| 8. |
13. How to find n-factor by oxidation number |
| Answer» 13. How to find n-factor by oxidation number | |
| 9. |
11. Caesium and chloride ions are in contact along body diagonal in body centered cubic lattice .the edge length of unit cell is 350pm and Cs has a radius of 133 .hence radius of cl ion is |
| Answer» 11. Caesium and chloride ions are in contact along body diagonal in body centered cubic lattice .the edge length of unit cell is 350pm and Cs has a radius of 133 .hence radius of cl ion is | |
| 10. |
16. how around a carbon atom bond forms with another carbon as tetrahedral manner |
| Answer» 16. how around a carbon atom bond forms with another carbon as tetrahedral manner | |
| 11. |
What are the major properties of HCP lattice (like coordination number , packing efficiency etc.)? |
| Answer» What are the major properties of HCP lattice (like coordination number , packing efficiency etc.)? | |
| 12. |
The average osmotic pressure of human blood is 7.8 bar at 30°C.the concentration of aqueous Nacl solution that could be used in the blood stream is |
| Answer» The average osmotic pressure of human blood is 7.8 bar at 30°C.the concentration of aqueous Nacl solution that could be used in the blood stream is | |
| 13. |
How to find facial and meridional isomers |
| Answer» How to find facial and meridional isomers | |
| 14. |
48. determine the degree of association for the reaction in aqueous medium. if observed mean molar mass of HCHO and C6 h12 o6 is 150 . |
| Answer» 48. determine the degree of association for the reaction in aqueous medium. if observed mean molar mass of HCHO and C6 h12 o6 is 150 . | |
| 15. |
40 Major product and total no. of products when 3 methyl cyclohexene reacts with HBr and also when 3 bromo cyclohexene reacts with HBr and why the difference? |
| Answer» 40 Major product and total no. of products when 3 methyl cyclohexene reacts with HBr and also when 3 bromo cyclohexene reacts with HBr and why the difference? | |
| 16. |
pressure of 1g of ideal gas A at 300K is 1 bar.when 2g of another ideal gas B is introduced in the same flask at same temperature the pressure becomes 3 bar.Find relatin between their molecular masses. |
| Answer» pressure of 1g of ideal gas A at 300K is 1 bar.when 2g of another ideal gas B is introduced in the same flask at same temperature the pressure becomes 3 bar.Find relatin between their molecular masses. | |
| 17. |
Identify Y. |
Answer» ![]() Identify Y. |
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| 18. |
Question 6(a) Write any one use of nitrogen gas.(b) Does Nitrogen flushing help in food preservation? |
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Answer» Question 6 (a) Write any one use of nitrogen gas. (b) Does Nitrogen flushing help in food preservation? |
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| 19. |
The work done in an open vessel at 300 Kelvin 56 gram iron react with dilute HCl |
| Answer» The work done in an open vessel at 300 Kelvin 56 gram iron react with dilute HCl | |
| 20. |
Which of the following is functional isomer of ? |
Answer» Which of the following is functional isomer of ? |
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| 21. |
explain why atoms with half filled and completely filles configuration are extra stable |
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Answer» explain why atoms with half filled and completely filles configuration are extra stable |
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| 22. |
When an hydrogen atom emits a photon of energy 12.08 ev its orbital angular momentum changes by _______ |
| Answer» When an hydrogen atom emits a photon of energy 12.08 ev its orbital angular momentum changes by _______ | |
| 23. |
Between naphthalene and diphenyl methane, which compound has higher resonance energy |
| Answer» Between naphthalene and diphenyl methane, which compound has higher resonance energy | |
| 24. |
Which of the following statement is not true for diborane (B2H6) |
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Answer» Which of the following statement is not true for diborane (B2H6) |
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| 25. |
Can subset be denoted by symbol epsylon |
| Answer» Can subset be denoted by symbol epsylon | |
| 26. |
Kindly explain the process (mechanism) of Beckmann-rearrangement |
| Answer» Kindly explain the process (mechanism) of Beckmann-rearrangement | |
| 27. |
Explain the termsInductive and Electromeric effects. Which electron displacementeffect explains the following correct orders of acidity of thecarboxylic acids?(a) Cl3CCOOH> Cl2CHCOOH > ClCH2COOH(b) CH3CH2COOH> (CH3)2CHCOOH > (CH3)3C.COOH |
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Answer» Explain the terms (a) Cl3CCOOH (b) CH3CH2COOH |
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| 28. |
Which solubility order is correct some say a and some say b(a) Cscl >Licl >Rbcl> Nacl> Kcl(b) Cscl >Rbcl > Nacl> Kcl> Licl |
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Answer» Which solubility order is correct some say a and some say b (a) Cscl >Licl >Rbcl> Nacl> Kcl (b) Cscl >Rbcl > Nacl> Kcl> Licl |
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| 29. |
How to find the molar mass of any molecule?? |
| Answer» How to find the molar mass of any molecule?? | |
| 30. |
how many types of bonds are there in c2h6 , 2 or 1 |
| Answer» how many types of bonds are there in c2h6 , 2 or 1 | |
| 31. |
The figure given show the conversion of substrate into product by an enzyme. In which one of the four options, the components of the reaction labeled A, B, C, D are identified correctly. |
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Answer» The figure given show the conversion of substrate into product by an enzyme. In which one of the four options, the components of the reaction labeled A, B, C, D are identified correctly. |
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| 32. |
Which of the following binary xenon fluorides produce hydrofluoric acid on hydrolysis? |
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Answer» Which of the following binary xenon fluorides produce hydrofluoric acid on hydrolysis? |
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| 33. |
69 mg of an alcohol (R−OH) was treated with CH3MgBr and the gas evolved was measured to be 33.6 ml at STP. The molar mass (g/mol) of alcohol is . |
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Answer» 69 mg of an alcohol (R−OH) was treated with CH3MgBr and the gas evolved was measured to be 33.6 ml at STP. The molar mass (g/mol) of alcohol is |
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| 34. |
two metalic oxides contain 27.6% and 30%oxygen respectively. If the formulaof the first oxide is X3O4,that of the second will b |
| Answer» two metalic oxides contain 27.6% and 30%oxygen respectively. If the formulaof the first oxide is X3O4,that of the second will b | |
| 35. |
Why significant figures are more appropriate in addition with respect of chemistry |
| Answer» Why significant figures are more appropriate in addition with respect of chemistry | |
| 36. |
why is ionisation enthalpy of hydrogen higher than that of sodium?refer exemplar problem |
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Answer» why is ionisation enthalpy of hydrogen higher than that of sodium? refer exemplar problem |
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| 37. |
An unknown compound A has a molecular formula C4H6. When A is treated with an excess of Br2 a new substance B with formula C4 H6 Br4 is formed. A forms a white precipitate with ammonia cal silver nitrate solution. A may be |
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Answer» An unknown compound A has a molecular formula C4H6. When A is treated with an excess of Br2 a new substance B with formula C4 H6 Br4 is formed. A forms a white precipitate with ammonia cal silver nitrate solution. A may be |
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| 38. |
When ethyl iodide is treated with alcoholic potash, we get: |
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Answer» When ethyl iodide is treated with alcoholic potash, we get: |
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| 39. |
Tautomer(s) of above compound is/are: |
Answer» ![]() Tautomer(s) of above compound is/are: |
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| 40. |
12. oxidation state of C in H2C2O4 |
| Answer» 12. oxidation state of C in H2C2O4 | |
| 41. |
45.Why hydration energy of NaCl is endothermic |
| Answer» 45.Why hydration energy of NaCl is endothermic | |
| 42. |
Consider the following expressions:(i) False(ii) Q(iii) True(iv) P∨Q(v) ⇁Q∨PThe number of expressions given above that are logically implied by P∧(P⇒Q) is4 |
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Answer» Consider the following expressions:
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| 43. |
If for a sucrose solution, elevation in boiling point is 0.1°C then what will be the boiling point of NaCl solution for same molal concentration |
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Answer» If for a sucrose solution, elevation in boiling point is 0.1°C then what will be the boiling point of NaCl solution for same molal concentration |
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| 44. |
Spin only magnetic moment of the compound Hg[Co(SCN)4] is |
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Answer» Spin only magnetic moment of the compound Hg[Co(SCN)4] is |
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| 45. |
(क) सुधा के स्वप्नों की इंद्रधनुषी दुनिया में अँधेरा कैसे छा गया?(ख) डॉ. सेठी ने सुधा के लिए क्या किया?(ग) सुधा पूरे भारत में कैसे लोकप्रिय हो गई? |
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Answer» (क) सुधा के स्वप्नों की इंद्रधनुषी दुनिया में अँधेरा कैसे छा गया? (ख) डॉ. सेठी ने सुधा के लिए क्या किया? (ग) सुधा पूरे भारत में कैसे लोकप्रिय हो गई? |
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| 46. |
Question 15 Which of the following ions will cause hardness in water sample? (a) Ca2+ (b) Na+ (c) Cl− (d) K+ |
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Answer» Question 15 Which of the following ions will cause hardness in water sample? (a) Ca2+ (b) Na+ (c) Cl− (d) K+ |
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| 47. |
What are ferrimagnetic solids |
| Answer» What are ferrimagnetic solids | |
| 48. |
what is significant figures In case multiple and division |
| Answer» what is significant figures In case multiple and division | |
| 49. |
What is the change in oxidation number of carbon in the following reaction?CH4(g)+4Cl2(g)→CCl4(l)+4HCl(g) |
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Answer» What is the change in oxidation number of carbon in the following reaction? |
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| 50. |
A nugget of gold and quartz was found to contain x g of gold and y g of quartz and has density d. If the densities gold and quartz are d1and d2 respectively then the correct relation is |
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Answer» A nugget of gold and quartz was found to contain x g of gold and y g of quartz and has density d. If the densities gold and quartz are d1and d2 respectively then the correct relation is |
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