InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Which of the following relation is correct ? (where `T_(i)` = Inversion temperature, `T_(c)` = Critical temperature)A. `T_(c) = 6.75 T_(i)`B. `T_(i) = 6.75 T_(c)`C. `T_(i) gt 6.75 T_(c)`D. `T_(c) gt 6.75 T_(i)` |
| Answer» Correct Answer - B | |
| 52. |
Which of the following curves represents the chemical adsorption ?A. B. C. D. |
| Answer» Correct Answer - C | |
| 53. |
Select the wrong statement among the following:A. Orbital angular momentum `= sqrt(l(l+1))(h)/(2pi)`B. Resultant angular momentum and resultant magnetic moment are in same directionC. Resultant angular momentum and resultant magnetic moment are in opposite directionD. Orbital angular momentum has (2l+1) orientations |
| Answer» Correct Answer - B | |
| 54. |
Which of the following is not correctly matched ?A. `{:("Molecule",("d-orbital present in the hybrid orbitals"),),(SF_(4),sp^(3)d" " (d_(z^(2))),):}`B. `{:("Molecule",("d-orbital present in the hybrid orbitals"),),(IF_(5),sp^(3)d^(2)" " (d_(x^(2)-y^(2)), d_(z^(2))),):}`C. `{:("Molecule",("d-orbital present in the hybrid orbitals"),),(XeF_(6),sp^(3)d^(3)" " (d_(xy),d_(yz),d_(zx)),):}`D. `{:("Molecule",("d-orbital present in the hybrid orbitals"),),(XeF_(2),sp^(3)d" " (d_(x^(2))-d_(y^(2))),):}` |
| Answer» Correct Answer - D | |
| 55. |
Which of the following is most soluble in water ?A. LiIB. NaIC. KID. RbI |
| Answer» Correct Answer - A | |
| 56. |
Which of the following sulphates will be insoluble in water due to high lattice energy?A. `BaSO_(4)`B. `BeSO_(4)`C. `Na_(2)SO_(4)`D. `K_(2)SO_(4)` |
| Answer» Correct Answer - A | |
| 57. |
Match the following: `{:(" Set I",," Set II"),("A. 10 Vol " H_(2)O_(2),,"1. per hydrol"),("B. 20 Vol " H_(2)O_(2),,"2. 5.358 N"),("C. 30 Vol " H_(2)O_(2),,"3. 1.785 M"),("D 100 Vol " H_(2)O_(2),,"4. 3.03%):}` The correct match is :A. A-4, B-3, C-2, D-1B. A-1, B-2, C-3, D-4C. A-1, B-3, C-2, D-4D. A-4, B-2, C-3, D-1 |
| Answer» Correct Answer - A | |
| 58. |
Which of the following will weigh less in presence of external magnetic field ?A. `Cr_(24)`B. `Mn_(29)`C. `Co_(27)`D. `Zn_(30)` |
| Answer» Correct Answer - D | |
| 59. |
The volume strength of `10 N H_(2)O_(2)` is :A. 112B. `11.2`C. `0.112`D. 56 |
| Answer» Correct Answer - D | |
| 60. |
The rms speed at NTP of a gas can be calculated from the expression:A. `sqrt(3P//d)`B. `sqrt(3PV//M)`C. `sqrt(3RT//M)`D. `sqrt(3d//P)` |
| Answer» Correct Answer - A::B::C | |
| 61. |
What will be the volume strength of molar solution of `H_(2)O_(2)` ?A. `5.6`B. `22.4`C. `11.2`D. `10.4` |
| Answer» Correct Answer - C | |
| 62. |
For diatomic molecules, the correct relation is/areA. `C_(P) = 7//2R`B. `C_(V) = 5//2 R`C. `gamma = 1.4`D. `C_(P) = 3//2 R` |
| Answer» Correct Answer - A::B::C | |
| 63. |
`BrCl_(3)` molecule involves `(sp^(3)d)` hybridization, the d-orbital contributing this hybridization will be :A. `d_(xy)`B. `d_(yz)`C. `d_(x^(2)-y^(2))`D. `d_(z^(2))` |
| Answer» Correct Answer - C | |
| 64. |
All these molecules have `sp^(3)` hybridization, select the molecule in which all the bond do not have same percentage (s) character:A. `CH_(4)`B. `C Cl_(4)`C. `NH_(3)`D. `C Cl_(2)F_(2)` |
| Answer» Correct Answer - D | |
| 65. |
In `PCl_(3)F_(2)` molecules, select the correct statement about two (P-F) bonds:A. Both (P-F) bonds are equatorialB. Both (P-F) bonds are axialC. One (P-F) bond is axial and one (P-F) bond is equatorialD. can not be predicted |
| Answer» Correct Answer - B | |
| 66. |
`PCl_(5)` molecule involves `(sp^(3)d)` hybridization, the d-orbital contributing this hybridization will be :A. `d_(xy)`B. `d_(yz)`C. `d_(zx)`D. `d_(z^(2))` |
| Answer» Correct Answer - D | |
| 67. |
An ideal gas is taken from the state A (pressure P, volume V) to the state B (pressure P/2, volume 2V) along a straight line path in the P-V diagram. Select the wrong statement from the following: A. The work done by the gas in the process A to B exceeds the work that would be done by if the system were taken from A to B along the isotherm.B. In the T-V diagram, the path AB becomes a part of parabola.C. In the P-T diagram, the path AB becomes a part of hyperbola.D. In going from A to B, the temperature T of the gas first increases to a maximum value and then decreases. |
| Answer» Correct Answer - C | |
| 68. |
A sample of `2kg` of helium (assumed ideal) is taken through the process `ABC` and another sample of `2kg` of the same gas is taken through the process `ADC`. Then the temperature of the states `A` and `B` are (given `R = 8.3J mol^(-1)K^(-1))` A. `T_(A) = 120.5K, T_(B) =120.5K`B. `T_(A) = 241K, T_(B) =241K`C. `T_(A) = 120.5K, T_(B) = 241 K`D. `T_(A) = 241K, T_(B) = 482K` |
| Answer» Correct Answer - C | |
| 69. |
A solid is formed by three elements X,Y and Z, X atoms form a fcc lattice with Y atoms occupying all tetrahedral voids. Z atoms occupying half the octahedral voids. The formula of the solids is :A. `X_(2)Y_(4)Z`B. `XY_(2)Z_(4)`C. `X_(4)Y_(2)Z`D. `X_(4)YZ_(2)` |
| Answer» Correct Answer - A | |
| 70. |
Which of the following pairs is correctly matched ?A. `{:("Experimental","Phenomenon"),("X-ray spectra","Charge on the nucleus"):}`B. `{:("Experimental","Phenomenon"),(alpha-"particle scattering","Quantized electron orbit"):}`C. `{:("Experimental","Phenomenon"),("Emission spectra","Qunatization of energy"):}`D. `{:("Experimental","Phenomenon"),("The photoelectric effect","The nuclear atom"):}` |
| Answer» Correct Answer - C | |
| 71. |
Which of the following represents zero order reaction ?A. B. C. D. |
| Answer» Correct Answer - A | |
| 72. |
Which of the gas can displace remaining all the gases from the surface of adsorbent ?A. COB. `H_(2)`C. `O_(2)`D. `N_(2)` |
| Answer» Correct Answer - A | |
| 73. |
Which of the following is an example of associated colloid ?A. Protein + WaterB. Soap + WaterC. Rubber + BenzeneD. `As_(2)O_(3)+Fe(OH)_(3)` |
| Answer» Correct Answer - B | |
| 74. |
Which of the following figure represents the variation of particle momentum and the associated de - Broglie wavelength ?A. B. C. D. |
| Answer» Correct Answer - D | |
| 75. |
The plot of log V against log P at constant temperature for a fixed mass of gas is :A. B. C. D. |
| Answer» Correct Answer - B | |
| 76. |
In the sequence of reaction, `L overset(k_(1))rarr M overset(k_(2))rarr N overset(k_(3))rarrO` `k_(3) gt k_(2) gt k_(1)` The rate determining step of the reaction is :A. `L rarr M`B. `M rarr N`C. `N rarr O`D. `L rarr O` |
| Answer» Correct Answer - A | |
| 77. |
`pH` of a `0.1 M` monobasic acid is found to be `2`. Hence, its osmotic pressure at a given temperature T K isA. 0.1 RTB. 0.11 RTC. 1.1 RTD. 0.01 RT |
| Answer» Correct Answer - B | |