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. |
Solubility of AgCl in 0.1M CaCl2 is |
| Answer» Solubility of AgCl in 0.1M CaCl2 is | |
| 2. |
The potential energy between two atoms,in a molecule , is given by U=a/x^12 -b/x^6 where a and b are positive constants and x is the distance between the atoms . The atom is in stable equilibrium, when |
| Answer» The potential energy between two atoms,in a molecule , is given by U=a/x^12 -b/x^6 where a and b are positive constants and x is the distance between the atoms . The atom is in stable equilibrium, when | |
| 3. |
1‑propanol & 2‑propanol can be best distinguished by: |
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Answer» 1‑propanol & 2‑propanol can be best distinguished by: |
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| 4. |
What is molecular orbital? |
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Answer» What is molecular orbital? |
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| 5. |
What is vactor low and magnitude |
| Answer» What is vactor low and magnitude | |
| 6. |
The predominant form of histamine present in human blood is (pKa Histidine =6.0 ) |
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Answer» The predominant form of histamine present in human blood is (pKa Histidine =6.0 ) |
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| 7. |
Number of isomers including stereoisomers for molecular formula C4H8O is? |
| Answer» Number of isomers including stereoisomers for molecular formula C4H8O is? | |
| 8. |
Consider the following moleculeThe number of stereogenic centres and stereoisomers respectively of the above molecule are: |
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Answer» Consider the following molecule |
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| 9. |
Which of the following is resistant to boiling aqua regia |
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Answer» Which of the following is resistant to boiling aqua regia |
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| 10. |
Find the ph value of 0.02 moles of Hydrochloric Acid (HCl). |
| Answer» Find the ph value of 0.02 moles of Hydrochloric Acid (HCl). | |
| 11. |
Number of electrons in chromium atom for which ‘n + l = 4’ is |
| Answer» Number of electrons in chromium atom for which ‘n + l = 4’ is | |
| 12. |
An aqueous solution contains 10% ammonia by mass and has a density0.99 g cm-3. If Ka for NH4+ is 5.0×10-10 M, the value of hydroxyl ion concentration will be |
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Answer» An aqueous solution contains 10% ammonia by mass and has a density 0.99 g cm-3. If Ka for NH4+ is 5.0×10-10 M, the value of hydroxyl ion concentration will be |
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| 13. |
two components in the ratio of x:y form azeotropic mixture. they are mixed in the ratio of x:2y,how many moles one of the pure component y will be evaporated before getting azeotropic solution |
| Answer» two components in the ratio of x:y form azeotropic mixture. they are mixed in the ratio of x:2y,how many moles one of the pure component y will be evaporated before getting azeotropic solution | |
| 14. |
Decreasing order of relative nucleophilicity of the following nucleophiles in protic solvent is -⊖SH,AC⊖O,Ph⊖O,⊖OH,H2O |
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Answer» Decreasing order of relative nucleophilicity of the following nucleophiles in protic solvent is - |
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| 15. |
If a photon of wavelength 100 pm strikes an atom and one of its inner bound electrons is ejected out with a velocity of 1.5×107 ms−1, calculate the energy with which it is bound to nucleus. |
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Answer» If a photon of wavelength 100 pm strikes an atom and one of its inner bound electrons is ejected out with a velocity of 1.5×107 ms−1, calculate the energy with which it is bound to nucleus. |
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| 16. |
Are all the cations in the periodic table are smaller in size with respect to all anions in the periodic table |
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Answer» Are all the cations in the periodic table are smaller in size with respect to all anions in the periodic table |
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| 17. |
why newtons 2nd law called real equation |
| Answer» why newtons 2nd law called real equation | |
| 18. |
The solubility product of PbI2 is 8.0×10−9. The solubility of lead iodide in 0.1 molar solution of lead nitrate is x×10−6 mol/L. Given: √2=1.41. The value of x is |
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Answer» The solubility product of PbI2 is 8.0×10−9. The solubility of lead iodide in 0.1 molar solution of lead nitrate is x×10−6 mol/L. Given: √2=1.41. The value of x is |
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| 19. |
Identify the physical property of the given metals from the following images: |
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Answer» Identify the physical property of the given metals from the following images: |
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| 20. |
It was told that dueidu the formation of SO2 the oxidation state of S is +4 that is it is in its first exited state.it forms sp2 hybridisation and the other p and d orbitals from pπ-pπ and pπ-dπ bonds.then where did the lonepair come from? |
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Answer» It was told that dueidu the formation of SO2 the oxidation state of S is +4 that is it is in its first exited state.it forms sp2 hybridisation and the other p and d orbitals from pπ-pπ and pπ-dπ bonds.then where did the lonepair come from? |
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| 21. |
The mole fraction of solute in aqueous solution is 0.2. Calculate molality of solution. |
| Answer» The mole fraction of solute in aqueous solution is 0.2. Calculate molality of solution. | |
| 22. |
Give reason for the below 1))all bonds in pcl5are not equivalent. 2)ka2 |
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Answer» Give reason for the below 1))all bonds in pcl5are not equivalent. 2)ka2< 4)the bond energy of F2 is less than that of cl2 5) of the Nobel gases only Xenon forms known chemical compounds |
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| 23. |
7. Reaction of cyclohexanone with dimethylamine in presence of catalytic amount of acid form compound if water during reaction is continuously removed .the compound formed is known as 1_Schiff's base 2_enamine 3_imine 4_amine |
| Answer» 7. Reaction of cyclohexanone with dimethylamine in presence of catalytic amount of acid form compound if water during reaction is continuously removed .the compound formed is known as 1_Schiff's base 2_enamine 3_imine 4_amine | |
| 24. |
1 mole of equimolar mixture of ferric oxalate and ferrous oxalate will require x mole of KMnO4 in acidic medium for complete oxidation, x is |
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Answer» 1 mole of equimolar mixture of ferric oxalate and ferrous oxalate will require x mole of KMnO4 in acidic medium for complete oxidation, x is |
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| 25. |
The compound X in the reaction, |
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Answer» The compound X in the reaction, |
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| 26. |
what does isotropy of nature mean? |
| Answer» what does isotropy of nature mean? | |
| 27. |
is an example of which of the following types of reactions[AFMC 1997; CPMT 1999] |
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Answer»
[AFMC 1997; CPMT 1999] |
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| 28. |
Find out number of dimerised products obtained by the following reaction. |
Answer» Find out number of dimerised products obtained by the following reaction. |
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| 29. |
The correct order of melting point of alkali metal chlorides is: |
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Answer» The correct order of melting point of alkali metal chlorides is: |
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| 30. |
In reaction CH3COCH3(g)⇌CH3CH3(g)+CO(g) If the initial pressure of CH3COCH3(g) is 150 mm and at Equilibrium the mole fraction of CO is 13 then the value of Kp is |
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Answer» In reaction CH3COCH3(g)⇌CH3CH3(g)+CO(g) If the initial pressure of CH3COCH3(g) is 150 mm and at Equilibrium the mole fraction of CO is 13 then the value of Kp is |
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| 31. |
The above P-V diagram represents the thermodynamic cycle of an engine, operating with an ideal monoatomic gas. The amount of heat, extracted from the source in a single cycle is: |
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Answer» The above P-V diagram represents the thermodynamic cycle of an engine, operating with an ideal monoatomic gas. The amount of heat, extracted from the source in a single cycle is: |
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| 32. |
Convert 33 degree 36' 18" to degree. |
| Answer» Convert 33 degree 36' 18" to degree. | |
| 33. |
4 gram of H2 reacts with 20 gram of O2 to form water. The mass of water formed is. |
| Answer» 4 gram of H2 reacts with 20 gram of O2 to form water. The mass of water formed is. | |
| 34. |
CsCl crystallizes in B.C.C lattice. If ‘a’ is its edge length then which of the following expressions is correct? |
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Answer» CsCl crystallizes in B.C.C lattice. If ‘a’ is its edge length then which of the following expressions is correct? |
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| 35. |
For a first order reaction, A→ products, the plot of rate versus t is correctly represented in |
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Answer» For a first order reaction, A→ products, the plot of rate versus t is correctly represented in |
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| 36. |
light of wavelength 500nm is incident on a metal work function 2.28 ev .the de brogli wavelength of emiited e |
| Answer» light of wavelength 500nm is incident on a metal work function 2.28 ev .the de brogli wavelength of emiited e | |
| 37. |
What is conductance and conductivity and difference between them and what is molar conductivity? |
| Answer» What is conductance and conductivity and difference between them and what is molar conductivity? | |
| 38. |
why are the gills of fish fine and delicate? |
| Answer» why are the gills of fish fine and delicate? | |
| 39. |
Energy of 2p-orbital of hydrogen atom is greater than 2s-orbital. true or false |
| Answer» Energy of 2p-orbital of hydrogen atom is greater than 2s-orbital. true or false | |
| 40. |
33.Why 3 lone pairs cannot be present in AB6 type of molecule. |
| Answer» 33.Why 3 lone pairs cannot be present in AB6 type of molecule. | |
| 41. |
The reaction in which hydrocarbons combine with oxygen to form carbon dioxide and water along with heat and light is known as |
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Answer» The reaction in which hydrocarbons combine with oxygen to form carbon dioxide and water along with heat and light is known as |
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| 42. |
Does the reaction R• +HX slow down with increase in temperature |
| Answer» Does the reaction R• +HX slow down with increase in temperature | |
| 43. |
find the total number of enantiomers of \lbrack M(en)_2ab\rbrack complex where M is the central metal atom and a,b are ligands. (en) represents ethylene 1,2 diamine. _{} |
| Answer» find the total number of enantiomers of \lbrack M(en)_2ab\rbrack complex where M is the central metal atom and a,b are ligands. (en) represents ethylene 1,2 diamine. _{} | |
| 44. |
what is the highest oxidation state of boron and why? |
| Answer» what is the highest oxidation state of boron and why? | |
| 45. |
The density of gold is 19 g/cm3. If 1.9 x 104 g of goldis dispersed in one litre of water to give a sol havingspherical gold particles of radius 10 nm, then the numberof gold particles per mm3 of the sol will be |
| Answer» The density of gold is 19 g/cm3. If 1.9 x 104 g of goldis dispersed in one litre of water to give a sol havingspherical gold particles of radius 10 nm, then the numberof gold particles per mm3 of the sol will be | |
| 46. |
Which one of the following compounds will be least susceptible to elimination of HBr? |
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Answer» Which one of the following compounds will be least susceptible to elimination of HBr? |
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| 47. |
In the calculation of number of atoms per unit cell, how many atoms will be present in an End Centered Cubic Unit Cell(ECC)? |
| Answer» In the calculation of number of atoms per unit cell, how many atoms will be present in an End Centered Cubic Unit Cell(ECC)? | |
| 48. |
300ml N2 80% pure and reacts with 300ml H2 50% pure to form NH3 and volume become 550m. calculate volume of NH3 produce |
| Answer» 300ml N2 80% pure and reacts with 300ml H2 50% pure to form NH3 and volume become 550m. calculate volume of NH3 produce | |
| 49. |
The suspension of slaked lime in water is known as |
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Answer» The suspension of slaked lime in water is known as |
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| 50. |
Two cylinders A and B fitted with pistons contain equal amounts of an ideal diatomic gas at 300K. The piston A is free to move, while that of B is held fixed. The same amount of heat is given to the gas in each cylinder. If the rise in temperature of the gas in A is 30K, then the rise in temperature of the gas in B isWhy will be pressure constant in case A ? |
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Answer» Two cylinders A and B fitted with pistons contain equal amounts of an ideal diatomic gas at 300K. The piston A is free to move, while that of B is held fixed. The same amount of heat is given to the gas in each cylinder. If the rise in temperature of the gas in A is 30K, then the rise in temperature of the gas in B is Why will be pressure constant in case A ? |
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