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. |
Two moles of an ideal gas (Cp,m=52R) is heated from 300 K to 600 K. Calculate △Sgas, if process is carried out at constant volume: |
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Answer» Two moles of an ideal gas (Cp,m=52R) is heated from 300 K to 600 K. Calculate △Sgas, if process is carried out at constant volume: |
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| 2. |
If electron donating group is present in alkyl group then the migration becomes faster and easy or slower and difficult? |
| Answer» If electron donating group is present in alkyl group then the migration becomes faster and easy or slower and difficult? | |
| 3. |
11. wave number(according to balmer) and the difference in the energy between two energy states(according ot bohr) have the same formula?What does ths siignify ? |
| Answer» 11. wave number(according to balmer) and the difference in the energy between two energy states(according ot bohr) have the same formula?What does ths siignify ? | |
| 4. |
What are the factors affecting evaporation? |
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Answer» What are the factors affecting evaporation? |
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| 5. |
The number and type of bonds between two carbon atoms in CaC2 are |
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Answer» The number and type of bonds between two carbon atoms in CaC2 are |
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| 6. |
An organic compound A having the following structure was subjected to monochlorination in the presence of sunlight. The number of monochloroderivatives(including optical isomers) is/are: |
Answer» An organic compound A having the following structure![]() was subjected to monochlorination in the presence of sunlight. The number of monochloroderivatives(including optical isomers) is/are: |
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| 7. |
Silk is produced by |
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Answer» Silk is produced by |
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| 8. |
the distance between electron and proton in an hydrogen atom is 0.53 angstrom. find the speed and frequency of revolution of electron around the proton? |
| Answer» the distance between electron and proton in an hydrogen atom is 0.53 angstrom. find the speed and frequency of revolution of electron around the proton? | |
| 9. |
Which of the following doesn't reduce tollen's solution?CatecholPhenolResorcinolQuinol |
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Answer» Which of the following doesn't reduce tollen's solution? Catechol Phenol Resorcinol Quinol |
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| 10. |
Valence bond theory helps to know about: |
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Answer» Valence bond theory helps to know about: |
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| 11. |
The smallest among the following ions is |
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Answer» The smallest among the following ions is
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| 12. |
From the following pairs of ions which one is not an iso-electronic pair ? |
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Answer» From the following pairs of ions which one is not an iso-electronic pair ? |
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| 13. |
Why alcohols , vinyl,bicyclo,phenyl carbon. did not give haloform reactions |
| Answer» Why alcohols , vinyl,bicyclo,phenyl carbon. did not give haloform reactions | |
| 14. |
Which are true statements among the following ? (A) PH5 and BiCL5 do not exist (B) Bond order of CO−23 is 1.33 (C) SeF4 andCH4 have same shape (D) I+3 has bent geometry (E) The number ofPπ−dπ bonds in SO2 & SO3 are same |
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Answer» Which are true statements among the following ? (A) PH5 and BiCL5 do not exist (B) Bond order of CO−23 is 1.33 (C) SeF4 andCH4 have same shape (D) I+3 has bent geometry (E) The number ofPπ−dπ bonds in SO2 & SO3 are same |
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| 15. |
Reason for doping of impurities in semiconductors is to |
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Answer» Reason for doping of impurities in semiconductors is to |
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| 16. |
Which of the following hydrolysis product(s) are common in hydrolysis of XeF2 and XeF4 respectively? |
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Answer» Which of the following hydrolysis product(s) are common in hydrolysis of XeF2 and XeF4 respectively? |
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| 17. |
Predict the products of the following reactions: (i) CH3−C|CH3=OHCN−−−→? (ii) C6H5−CH2−CH3(a)KMnO4/KOH−−−−−−−−−−−→(b)H+? (iii) CH3COOHNH3/Δ−−−−→? |
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Answer» Predict the products of the following reactions: (i) CH3−C|CH3=OHCN−−−→? (ii) C6H5−CH2−CH3(a)KMnO4/KOH−−−−−−−−−−−→(b)H+? (iii) CH3COOHNH3/Δ−−−−→? |
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| 18. |
17. The wt of 2L nacl solution of density 1.117 g/ ml is |
| Answer» 17. The wt of 2L nacl solution of density 1.117 g/ ml is | |
| 19. |
how compound mn2o3 has two oxidation state |
| Answer» how compound mn2o3 has two oxidation state | |
| 20. |
Which of the following phenols has the largest pKa value (i.e., least acidic)? |
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Answer» Which of the following phenols has the largest pKa value (i.e., least acidic)? |
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| 21. |
100ml of 1M NaOH is mixed with 50ml of1N KOH solution . What is Normality of mixture? |
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Answer» 100ml of 1M NaOH is mixed with 50ml of1N KOH solution . What is Normality of mixture? |
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| 22. |
Ammonium hydroxide is a weak base because |
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Answer» Ammonium hydroxide is a weak base because |
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| 23. |
Which one of the following represent the bond-line structure of isoheptane? |
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Answer» Which one of the following represent the bond-line structure of isoheptane? |
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| 24. |
Write IUPAC names of the following compounds. C6H5−O−C2H5 C6H5−O−C7H15(n−) |
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Answer» Write IUPAC names of the following compounds.
C6H5−O−C2H5 C6H5−O−C7H15(n−)
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| 25. |
Which of the following pairs of complexes are isomeric with each other but their aqueous solutions exhibit different molar conductivities? |
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Answer» Which of the following pairs of complexes are isomeric with each other but their aqueous solutions exhibit different molar conductivities? |
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| 26. |
why deltaH is in the formulae of Cp and deltaE is in the Cv |
| Answer» why deltaH is in the formulae of Cp and deltaE is in the Cv | |
| 27. |
4. What is the method to find out bond order in case of triatomic or polyatomic species such as carbon di oxide, boron trifluoride? |
| Answer» 4. What is the method to find out bond order in case of triatomic or polyatomic species such as carbon di oxide, boron trifluoride? | |
| 28. |
If 2a = 3b = 6c, then the value of c is |
| Answer» If 2a = 3b = 6c, then the value of c is | |
| 29. |
For a certain reaction a plot of [(c0-c)/c] against time t, yields a straight line. c0 and c are concentrations of reactant at t = 0 and t = t respectively. The order of reaction is: |
| Answer» For a certain reaction a plot of [(c0-c)/c] against time t, yields a straight line. c0 and c are concentrations of reactant at t = 0 and t = t respectively. The order of reaction is: | |
| 30. |
How many atoms of 0.1 gram atom of a radioactive isotope (half life= 5 days) will decay during the 11th day |
| Answer» How many atoms of 0.1 gram atom of a radioactive isotope (half life= 5 days) will decay during the 11th day | |
| 31. |
oxidation state of p in P3 |
| Answer» oxidation state of p in P3 | |
| 32. |
what is the meaning of Anti Penultimate shells? |
| Answer» what is the meaning of Anti Penultimate shells? | |
| 33. |
Calculate the weight of Iron which will be converted into its oxide by the action of 18 g of steam.Given the reaction : 3Fe+4H2O→Fe3O4+4H2(Atomic mass of Fe=56 g). |
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Answer» Calculate the weight of Iron which will be converted into its oxide by the action of 18 g of steam. Given the reaction : 3Fe+4H2O→Fe3O4+4H2 (Atomic mass of Fe=56 g). |
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| 34. |
1. For the given eqn, ^°U = -10kJ/mil and ^°S = -45 J/mol : 2A(g) + B(g)2C(g) Then what is the ^°G? I) -11.5 kJ II) -344 kJ III) 0. IV) -2.8 kJ 2. Heat of sublimation of Na is x J Ionisation energy of Na is y J Bond dissociation energy of Cl2 is aJ e gain enthalpy of Cl is -b J Enthalpy of formation of NaCl is -c J Then what is the lattice energy of NaCl(s) ? |
| Answer» 1. For the given eqn, ^°U = -10kJ/mil and ^°S = -45 J/mol : 2A(g) + B(g)2C(g) Then what is the ^°G? I) -11.5 kJ II) -344 kJ III) 0. IV) -2.8 kJ 2. Heat of sublimation of Na is x J Ionisation energy of Na is y J Bond dissociation energy of Cl2 is aJ e gain enthalpy of Cl is -b J Enthalpy of formation of NaCl is -c J Then what is the lattice energy of NaCl(s) ? | |
| 35. |
Maximum value of cosx1 + 2cosx2 + 3cosx3 is- |
| Answer» Maximum value of cosx1 + 2cosx2 + 3cosx3 is- | |
| 36. |
Write a brief note on electrons. |
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Answer» Write a brief note on electrons. |
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| 37. |
The reaction N2O4 (g) ⇌ 2NO2 (g) is carried out at 298 K and 20 bar. Five moles of each of N2O4and NO2, are taken initially. Given: ΔfG∘ (N2O4) = 100 kJ mol−1 and ΔfG∘ (NO2) = 50 kJ mol−1.Choose the appropriate option: The values of ΔG and K∘p at 298 K are: |
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Answer» The reaction N2O4 (g) ⇌ 2NO2 (g) is |
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| 38. |
34.no is a neutral ligand or a positive ligand |
| Answer» 34.no is a neutral ligand or a positive ligand | |
| 39. |
When formaldehyde is treated with methanol in presence of dry HCI gas or fused CaC2, it yields: (a) acetaldehyde (b) mercaptal (c) methylal D (d) dimethyl ether |
| Answer» When formaldehyde is treated with methanol in presence of dry HCI gas or fused CaC2, it yields: (a) acetaldehyde (b) mercaptal (c) methylal D (d) dimethyl ether | |
| 40. |
Three atoms of magnesium combine with 2 atoms of nitrogen. What will be the weight of magnesium which combines with 1.86 g of nitrogen |
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Answer» Three atoms of magnesium combine with 2 atoms of nitrogen. What will be the weight of magnesium which combines with 1.86 g of nitrogen |
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| 41. |
The wave function ψ in the Schrodinger wave equation represents |
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Answer» The wave function ψ in the Schrodinger wave equation represents |
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| 42. |
Carbon monoxide is allowed to expand isothermally and reversibly from 15 m3 to 30 m3 at 300 K and work obtained is 8.595 kJ. Calculate the number of moles of carbon monoxide. Take R = 8.3 J K−1mol−1 and ln2 = 0.69 |
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Answer» Carbon monoxide is allowed to expand isothermally and reversibly from 15 m3 to 30 m3 at 300 K and work obtained is 8.595 kJ. Calculate the number of moles of carbon monoxide. Take R = 8.3 J K−1mol−1 and ln2 = 0.69 |
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| 43. |
What is regular surface? |
| Answer» What is regular surface? | |
| 44. |
The disappearance of the characteristic purple colour of KMnO4 in its reaction with an alkene is the test for unsaturation. It is known as |
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Answer» The disappearance of the characteristic purple colour of KMnO4 in its reaction with an alkene is the test for unsaturation. It is known as |
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| 45. |
The suitable reagent for the following conversion?i.e. CH3−C≡C−CH3R⟶trans-alkene: |
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Answer» The suitable reagent for the following conversion? |
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| 46. |
solve for x ; log2log1/2log3x >0 |
| Answer» solve for x ; log2log1/2log3x >0 | |
| 47. |
Who suggested the distribution of electrons into different shells? How are the electrons distributed across these shells? |
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Answer» Who suggested the distribution of electrons into different shells? How are the electrons distributed across these shells? |
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| 48. |
The correct order of decreasing acidic strength of oxyacids of group 15 element is(1) HNO HSbOg > H3ASO4 > H3PO(3) HNO HPO > HzAsO4 > H,SbO(2) H3PO4> H3AS04 H3SbO4 HNO3H3SBOH3ASO(4) HNO3 H3ASO4 > H3PO4> H3SbO4H2SbO4 |
| Answer» The correct order of decreasing acidic strength of oxyacids of group 15 element is(1) HNO HSbOg > H3ASO4 > H3PO(3) HNO HPO > HzAsO4 > H,SbO(2) H3PO4> H3AS04 H3SbO4 HNO3H3SBOH3ASO(4) HNO3 H3ASO4 > H3PO4> H3SbO4H2SbO4 | |
| 49. |
What is the difference between Arachidic acid and Arachidonic acid |
| Answer» What is the difference between Arachidic acid and Arachidonic acid | |
| 50. |
Total number of optically active isomer of 2,3dibromopentane |
| Answer» Total number of optically active isomer of 2,3dibromopentane | |