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 one of the following proteins transports oxygen in the blood stream |
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Answer» Which one of the following proteins transports oxygen in the blood stream |
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| 2. |
In glyceraldehydes, sort the sequence of priority according to CIP rules. |
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Answer» In glyceraldehydes, sort the sequence of priority according to CIP rules. |
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| 3. |
The orbital diagram in which both the Pauli’s exclusion principle and Hund’s rule are violated is: |
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Answer» The orbital diagram in which both the Pauli’s exclusion principle and Hund’s rule are violated is: |
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| 4. |
Consider the given set of compounds,Let P be the number of anti-aromatic compoundsQ be the total number of resonating structures of carbonate ion [CO2−3],R be the number of α−H in given carbocation: S be the number of geometrical isomers of the compound, CH3−CH=CH−CH=CH2,T be the number of compounds more acidic than ethanol among the set given below:Phenol, p-Nitrophenol, CH3COOH, CH3SO3HThen (P+Q+R+S+T) is: |
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Answer» Consider the given set of compounds, Let P be the number of anti-aromatic compounds ![]() Q be the total number of resonating structures of carbonate ion [CO2−3], R be the number of α−H in given carbocation: ![]() S be the number of geometrical isomers of the compound, CH3−CH=CH−CH=CH2, T be the number of compounds more acidic than ethanol among the set given below: Phenol, p-Nitrophenol, CH3COOH, CH3SO3H Then (P+Q+R+S+T) is: |
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| 5. |
Two p-block elements x having (outer shell configuration ns2,np3 and z (outer shell configuration ns2,np4) occupy neighbouring positions in a period. Using this information which of the following is correct with respect to their ionization potential as Ix and Iz |
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Answer» Two p-block elements x having (outer shell configuration ns2,np3 and z (outer shell configuration ns2,np4) occupy neighbouring positions in a period. Using this information which of the following is correct with respect to their ionization potential as Ix and Iz |
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| 6. |
The compressibility factor of an ideal gas is – |
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Answer» The compressibility factor of an ideal gas is – |
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| 7. |
CH3CH2OH+HClZnCl2−−−−→CH3CH2Cl+H2O In the above reaction, the leaving group is ? |
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Answer» CH3CH2OH+HClZnCl2−−−−→CH3CH2Cl+H2O In the above reaction, the leaving group is ? |
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| 8. |
Anucleotide consists of |
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Answer» A |
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| 9. |
Find out the internal energy change for the reaction A(l)→A(g) at 373 K. Heat of vaporisation is 40.66 kJ/mol and R=8.3 Jmol−1K−1. |
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Answer» Find out the internal energy change for the reaction A(l)→A(g) at 373 K. Heat of vaporisation is 40.66 kJ/mol and R=8.3 Jmol−1K−1. |
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| 10. |
5g of crystalline salt rendered anhydrous; lost 1.8g of water. The formula weight of the anhydrous salts is 160. The number of water molecules of crystallization is: |
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Answer» 5g of crystalline salt rendered anhydrous; lost 1.8g of water. The formula weight of the anhydrous salts is 160. The number of water molecules of crystallization is: |
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| 11. |
Lyophilic sols are more stable than lyophobic because |
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Answer» Lyophilic sols are more stable than lyophobic because |
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| 12. |
Number of π electrons in cyclobutadienyl anion (C4H4)−2 is? |
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Answer» Number of π electrons in cyclobutadienyl anion (C4H4)−2 is?
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| 13. |
Which of the following is used as a tyre cord? |
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Answer» Which of the following is used as a tyre cord? |
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| 14. |
If excess of Zn is added to 1.0M solution of CuSO4, find the concentration of Cu2+ ions at equilibrium.Given: E0(Zn2+|Zn)=−0.76V,E0(Cu2+Cu)=−0.34V |
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Answer» If excess of Zn is added to 1.0M solution of CuSO4, find the concentration of Cu2+ ions at equilibrium. |
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| 15. |
The work function of a metal is 4.2 eV. If a radiation of 2000oA falls on the metal, then the kinetic energy of the fastest photoelectron is: |
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Answer» The work function of a metal is 4.2 eV. If a radiation of 2000oA falls on the metal, then the kinetic energy of the fastest photoelectron is: |
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| 16. |
Let the population of rabbits surviving at a time t be governed by the differential equation dp(t)dt=12p(t)−200. If p(0)=100, then p(t) equals: |
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Answer» Let the population of rabbits surviving at a time t be governed by the differential equation dp(t)dt=12p(t)−200. If p(0)=100, then p(t) equals: |
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| 17. |
CH2=CH2KMnO4−−−−−−−→KOH/H2OX Product ‘X’ in above reaction is |
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Answer» CH2=CH2KMnO4−−−−−−−→KOH/H2OX Product ‘X’ in above reaction is |
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| 18. |
A given metal crystallizes out with a cubic structure having edge length of 361 pm. If there are four metal atoms in one unit cell, what is the radius of one atom? |
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Answer» A given metal crystallizes out with a cubic structure having edge length of 361 pm. If there are four metal atoms in one unit cell, what is the radius of one atom? |
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| 19. |
In which of the following I is more volatile than II? |
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Answer» In which of the following I is more volatile than II? |
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| 20. |
When chlorine passed through propene at 400 degree Celsius, the product is: |
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Answer» When chlorine passed through propene at 400 degree Celsius, the product is: |
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| 21. |
In which of the following crystals alternate tetrahedral voids are occupied? |
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Answer» In which of the following crystals alternate tetrahedral voids are occupied? |
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| 22. |
In dilute aqueous solution, formaldehyde exists as ? |
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Answer» In dilute aqueous solution, formaldehyde exists as ? |
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| 23. |
Find the missing reagents. |
Answer» Find the missing reagents. |
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| 24. |
The basic structural unit of zeolite is: |
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Answer» The basic structural unit of zeolite is: |
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| 25. |
The complete combustion of CH4 gives |
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Answer» The complete combustion of CH4 gives |
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| 26. |
Tl+H2O+O2→A. A is . |
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Answer» Tl+H2O+O2→A. A is |
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| 27. |
Among the following oxoacids, the correct decreasing order of acid strength is (IIT-JEE Advanced, 2014) |
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Answer» Among the following oxoacids, the correct decreasing order of acid strength is |
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| 28. |
Increasing order of acidic strength of given compounds is: |
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Answer» Increasing order of acidic strength of given compounds is: |
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| 29. |
Hess's law of constant heat summation in based on |
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Answer» Hess's law of constant heat summation in based on |
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| 30. |
In which of the following case, the product of oxidative and reductive ozonolysis is/are different? |
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Answer» In which of the following case, the product of oxidative and reductive ozonolysis is/are different? |
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| 31. |
Which of the following represents van der Waals gas below the critical temperature? |
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Answer» Which of the following represents van der Waals gas below the critical temperature? |
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| 32. |
A salt undergoes cationic hydrolysis in water. The pH of the resulting solution would be |
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Answer» A salt undergoes cationic hydrolysis in water. The pH of the resulting solution would be |
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| 33. |
Compared to common colloidal sols micelles have: |
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Answer» Compared to common colloidal sols micelles have: |
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| 34. |
Consider a sparingly soluble salt, zirconium phosphate [Zr3(PO4)4]. If molar solubility of zirconium phosphate is denoted by s and its solubility product by Ksp , then which of the following relationship holds true? |
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Answer» Consider a sparingly soluble salt, zirconium phosphate [Zr3(PO4)4]. If molar solubility of zirconium phosphate is denoted by s and its solubility product by Ksp , then which of the following relationship holds true? |
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| 35. |
Two metallic oxides contain 27.6% and 30% oxygen respectively. If the formula of the first oxide is X3O4, the formula of the second will be: |
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Answer» Two metallic oxides contain 27.6% and 30% oxygen respectively. If the formula of the first oxide is X3O4, the formula of the second will be: |
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| 36. |
A gas expands adiabatically at constant pressure such that T∝V−12The value of γ(Cp,m/Cv,m) of the gas will be: |
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Answer» A gas expands adiabatically at constant pressure such that T∝V−12 |
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| 37. |
The compressibility factor of a gas is less than 1 at STP. Its molar volume Vm will be |
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Answer» The compressibility factor of a gas is less than 1 at STP. Its molar volume Vm will be |
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| 38. |
Which of the following is iso-electronic? |
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Answer» Which of the following is iso-electronic? |
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| 39. |
Arrange the following groups −F,−OH,−NH2 in the increasing order of their −I effect. |
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Answer» Arrange the following groups |
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| 40. |
Pd has exceptional outer electronic configuration as 4d10 5s0, it belongs to |
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Answer» Pd has exceptional outer electronic configuration as 4d10 5s0, it belongs to |
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| 41. |
The appropriate reagent for the following transformation is : |
Answer» The appropriate reagent for the following transformation is :![]() |
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| 42. |
ClCH2CH2OH is stronger acid than CH3CH2OH because of: |
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Answer» ClCH2CH2OH is stronger acid than CH3CH2OH because of: |
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| 43. |
Which statement is/are correct?i) Physical adsorption is due to Vander Waal's forcesii) Physical adsorption decreases at high temperatureiii) Physical adsorption is irreversible iv) Enthalpy for a chemical adsorption is generally lesser than that of physical adsorption |
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Answer» Which statement is/are correct? i) Physical adsorption is due to Vander Waal's forces ii) Physical adsorption decreases at high temperature iii) Physical adsorption is irreversible iv) Enthalpy for a chemical adsorption is generally lesser than that of physical adsorption |
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| 44. |
The enthalpy of vaporisation of liquid diethyl ether (C2H5)2O is 26 kJ mol−1 at its boiling point 35 oC. Calculate △So for conversion of vapour to liquid (condensation) at 35 oC. |
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Answer» The enthalpy of vaporisation of liquid diethyl ether (C2H5)2O is 26 kJ mol−1 at its boiling point 35 oC. Calculate △So for conversion of vapour to liquid (condensation) at 35 oC. |
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| 45. |
Which of the following is active species in sulphonation of benzene? |
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Answer» Which of the following is active species in sulphonation of benzene? |
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| 46. |
Which of the following arrangement for the three halogens Cl, Br and I when placed in the order of their increasing electron afinity is correct? |
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Answer» Which of the following arrangement for the three halogens Cl, Br and I when placed in the order of their increasing electron afinity is correct? |
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| 47. |
The magnetic field of a solenoid can be made stronger by |
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Answer» The magnetic field of a solenoid can be made stronger by |
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| 48. |
Among the following, the coloured compound is: |
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Answer» Among the following, the coloured compound is: |
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| 49. |
The correct statement(s) pertaining to the adsorption of a gas on a solid surface is (are) |
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Answer» The correct statement(s) pertaining to the adsorption of a gas on a solid surface is (are) |
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| 50. |
The pH of the 0.10 M hydrocyanic acid solutions is 5.2. What will be the value of Ka for hydrocyanic acid ? |
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Answer» The pH of the 0.10 M hydrocyanic acid solutions is 5.2. What will be the value of Ka for hydrocyanic acid ? |
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