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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. |
45.A vertical cylindrical tank 80 cm long has its top end closed by a thin light frictionless piston . The air inside is at Normal pressure. Mercury is slowly poured over top of the piston. How far will the piston descend before Mercury spills over the top of the cylinder |
| Answer» 45.A vertical cylindrical tank 80 cm long has its top end closed by a thin light frictionless piston . The air inside is at Normal pressure. Mercury is slowly poured over top of the piston. How far will the piston descend before Mercury spills over the top of the cylinder | |
| 2. |
WHICH OF THE FOLLOWING WILL GIVE MAXIMUM NUMBER OF ISOMERS ? A) \lbrack Co(py)3(NH3)3\rbrack3+ B) \lbrack Ni(en)(NH3)4\rbrack2+ C) \lbrack Fe(C2O4)(en)2\rbrack2- D) \lbrack Cr(NO2)2(NH3)4\rbrack+ |
| Answer» WHICH OF THE FOLLOWING WILL GIVE MAXIMUM NUMBER OF ISOMERS ? A) \lbrack Co(py)3(NH3)3\rbrack3+ B) \lbrack Ni(en)(NH3)4\rbrack2+ C) \lbrack Fe(C2O4)(en)2\rbrack2- D) \lbrack Cr(NO2)2(NH3)4\rbrack+ | |
| 3. |
Is trigonal and rhombohedral the same?What is bravias lattice for triclinic? |
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Answer» Is trigonal and rhombohedral the same? What is bravias lattice for triclinic? |
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| 4. |
47. List of electron withdrawing group and electron donating group and their priority order ? |
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Answer» 47. List of electron withdrawing group and electron donating group and their priority order ? |
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| 5. |
what is degenerate orbitals |
| Answer» what is degenerate orbitals | |
| 6. |
The number of S–S bonds in sulphur trioxide trimer is: |
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Answer» The number of S–S bonds in sulphur trioxide trimer is: |
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| 7. |
What is the number of optical isomers possible for the compound: |
Answer» What is the number of optical isomers possible for the compound: |
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| 8. |
The entropy change will be positive for which reaction? |
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Answer» The entropy change will be positive for which reaction? |
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| 9. |
Equal volumes of 0.1M AgNO3 and 0.2M NaCl are mixed. The concentration of NO-3 ions in the mixture will be |
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Answer» Equal volumes of 0.1M AgNO3 and 0.2M NaCl are mixed. The concentration of NO-3 ions in the mixture will be |
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| 10. |
In an atom, the total number of electrons having quantum number n=4, |ml|=1 and ms=−12 is ___ |
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Answer» In an atom, the total number of electrons having quantum number |
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| 11. |
1.0 g atom of an α − emitting isotope (t1/2=10 days) is sealed in a container. The volume of the gas accumulated in the container at STP after 10 days would be: |
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Answer» 1.0 g atom of an α − emitting isotope (t1/2=10 days) is sealed in a container. The volume of the gas accumulated in the container at STP after 10 days would be: |
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| 12. |
Equivalent volume of CO2 in the following reaction will be Na2CO3 + HCl ------- NaCl + H2O + CO2 |
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Answer» Equivalent volume of CO2 in the following reaction will be Na2CO3 + HCl ------- NaCl + H2O + CO2 |
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| 13. |
Which represents metaboric acid? |
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Answer» Which represents metaboric acid? |
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| 14. |
Which of the following compounds undergo aldol condensation ? |
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Answer» Which of the following compounds undergo aldol condensation ? |
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| 15. |
relation between ionization potential and electron gain enthalphy? |
| Answer» relation between ionization potential and electron gain enthalphy? | |
| 16. |
At0°C, the density of a certain oxide of a gas at 2 bar is same asthat of dinitrogen at 5 bar. What is the molecular mass of the oxide? |
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Answer» At |
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| 17. |
when do we give NO the name nitrito and when do we name it nitrosyl ? |
| Answer» when do we give NO the name nitrito and when do we name it nitrosyl ? | |
| 18. |
Be2+ is isoelectronic with which of the following ions? |
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Answer» Be2+ is isoelectronic with which of the following ions? |
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| 19. |
3 Standered reduction potential values of redox couple Le+/Le,Nh+/Nh and Mg2+/Mg are respectively -3.05,-2.75 and -2.36V. Which of the following ions (Le+, Nh+,Mg2+) is most oxidising ? |
| Answer» 3 Standered reduction potential values of redox couple Le+/Le,Nh+/Nh and Mg2+/Mg are respectively -3.05,-2.75 and -2.36V. Which of the following ions (Le+, Nh+,Mg2+) is most oxidising ? | |
| 20. |
An element has a face centered cubic (fcc) structure with a cell edge of 200 pm. The atomic radius is: |
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Answer» An element has a face centered cubic (fcc) structure with a cell edge of 200 pm. The atomic radius is: |
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| 21. |
the concept of equivalent mass |
| Answer» the concept of equivalent mass | |
| 22. |
Calculate the volume of the 80% h2so4 by weight density 1.8 /mol required to prepare 1L of 0. 2 M solution |
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Answer» Calculate the volume of the 80% h2so4 by weight density 1.8 /mol required to prepare 1L of 0. 2 M solution |
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| 23. |
An organic compound C2H4O2 is taken in a test-tube and a pinch of baking soda is added to it. A gas is evolved which turns lime water milky.(a) Name the gas evolved.(b) Name the functional group present in the organic compound.(c) Write the name and formula of the organic compound. |
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Answer» An organic compound C2H4O2 is taken in a test-tube and a pinch of baking soda is added to it. A gas is evolved which turns lime water milky. (a) Name the gas evolved. (b) Name the functional group present in the organic compound. (c) Write the name and formula of the organic compound. |
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| 24. |
Calculate the molar concentration of a solution of acetic acid (HOAc) that has a pH of 4.00 (Ka=1.8×10−5) |
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Answer» Calculate the molar concentration of a solution of acetic acid (HOAc) that has a pH of 4.00 (Ka=1.8×10−5) |
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| 25. |
State the characteristics of an image formed by a plane mirror. |
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Answer» State the characteristics of an image formed by a plane mirror. |
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| 26. |
Explain what is moment of couple? |
| Answer» Explain what is moment of couple? | |
| 27. |
Does aqua (H2O) come under strong field ligand or weak field ligand according To VBT Theory? |
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Answer» Does aqua (H2O) come under strong field ligand or weak field ligand according To VBT Theory? |
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| 28. |
When one 'a' is replaced by 'b' in [M(AA)a2bc]n± type of complex, then total number of geometrical isomers is increases by |
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Answer» When one 'a' is replaced by 'b' in [M(AA)a2bc]n± type of complex, then total number of geometrical isomers is increases by |
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| 29. |
Write the products obtained after hydrolysis of lactose. |
| Answer» Write the products obtained after hydrolysis of lactose. | |
| 30. |
Question 30Fill in the blanks to complete the following paragraph.The name of the product formed in the reaction of sulphur and ___ is sulphur dioxide gas. When sulphur dioxide is dissolved in ____, sulphurous acid is formed. The sulphurous acid turns ____ litmus paper to ____. Generally, oxides of ____ are acidic in nature.After completing the paragraph write two questions which you can raise on the basis of this information. |
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Answer» Question 30 Fill in the blanks to complete the following paragraph. The name of the product formed in the reaction of sulphur and After completing the paragraph write two questions which you can raise on the basis of this information. |
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| 31. |
The critical angle or glass water surface is(rflefractive index of glass slab-1.5, refractive index of water-4/3) in form of sin inverse |
| Answer» The critical angle or glass water surface is(rflefractive index of glass slab-1.5, refractive index of water-4/3) in form of sin inverse | |
| 32. |
The dipole moment of a system of charge +q distributed uniformly on an arc of radius R subtending an angle (pi/2) at its center where anothercharge -q is placed, is |
| Answer» The dipole moment of a system of charge +q distributed uniformly on an arc of radius R subtending an angle (pi/2) at its center where anothercharge -q is placed, is | |
| 33. |
The reactions of Cl2 gas with cold-dilute and hot-concentrated NaOH in water give sodium salts of two different oxoacids of chlorine, P and Q, respectively. The Cl2 gas reacts with SO2 gas, in presence of charcoal, to give a product R reacts with white phosphorus to give a compound S. On hydrolysis, S gives an oxoacid of phosphorus. 3. P and Q, respectively, are the sodium salts of |
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Answer» The reactions of Cl2 gas with cold-dilute and hot-concentrated NaOH in water give sodium salts of two different oxoacids of chlorine, P and Q, respectively. The Cl2 gas reacts with SO2 gas, in presence of charcoal, to give a product R reacts with white phosphorus to give a compound S. On hydrolysis, S gives an oxoacid of phosphorus. |
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| 34. |
Why do bonds have names like 'pi'-bonds and 'sigma'-bonds? |
| Answer» Why do bonds have names like 'pi'-bonds and 'sigma'-bonds? | |
| 35. |
For the redox reaction Cr2O2−7+Fe2++H+→Cr3++Fe3++H2O The correct coefficients of the following for the balanced reaction are |
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Answer» For the redox reaction Cr2O2−7+Fe2++H+→Cr3++Fe3++H2O The correct coefficients of the following for the balanced reaction are |
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| 36. |
Determine all values of x for which [3/x]+[4/x]=5 |
| Answer» Determine all values of x for which [3/x]+[4/x]=5 | |
| 37. |
What is the Hybridization of Iodine in I2Cl6 |
| Answer» What is the Hybridization of Iodine in I2Cl6 | |
| 38. |
Product (G) is : |
Answer»  Product (G) is : |
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| 39. |
Why does table salt become sticky during the rainy season? |
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Answer» Why does table salt become sticky during the rainy season? |
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| 40. |
In Castner - Kellner process for the manufacture of NaOH, the reaction at anode in the central compartment of the cell is |
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Answer» In Castner - Kellner process for the manufacture of NaOH, the reaction at anode in the central compartment of the cell is |
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| 41. |
what is direct halogens of alkens? |
| Answer» what is direct halogens of alkens? | |
| 42. |
The intensity of red colour of ferric thiocyanate reduces on an addition of concentrated solution of |
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Answer» The intensity of red colour of ferric thiocyanate reduces on an addition of concentrated solution of |
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| 43. |
What is the final product in the given reaction?CH3MgBr+NH3Dry ether−−−−−→? |
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Answer» What is the final product in the given reaction? |
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| 44. |
A 0.001 molal solution of in water had a freezing point depression of 0.0054°C. If Kf for water is 1.80, the correct formulation for the above molecule is |
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Answer» A 0.001 molal solution of |
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| 45. |
What is the product obtained on kolbes electrolysis of adipic acid. |
| Answer» What is the product obtained on kolbes electrolysis of adipic acid. | |
| 46. |
The slope of Arrhenius plot (ln k v/s 1T) of first order reaction is –5×103 K. The value of Ea of the reaction is. Choose the correct option for your answer. [Given R=8.314 JK–1 mol–1] |
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Answer» The slope of Arrhenius plot (ln k v/s 1T) of first order reaction is –5×103 K. The value of Ea of the reaction is. Choose the correct option for your answer. [Given R=8.314 JK–1 mol–1] |
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| 47. |
14. 1000g Al is to be deposited on the cathode using Al2O3 in the solvent Na3AlF6 by a current of 125A.If cathodic reaction is as given then the time required for the passage of current is |
| Answer» 14. 1000g Al is to be deposited on the cathode using Al2O3 in the solvent Na3AlF6 by a current of 125A.If cathodic reaction is as given then the time required for the passage of current is | |
| 48. |
Which of the following impurities is not present with hydrogen? |
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Answer» Which of the following impurities is not present with hydrogen? |
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| 49. |
46. What is the fundamental particle of stone and is stone amorphous solid or crystalline solid |
| Answer» 46. What is the fundamental particle of stone and is stone amorphous solid or crystalline solid | |
| 50. |
The molecule(s) that will have dipole moment is/are: |
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Answer» The molecule(s) that will have dipole moment is/are: |
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