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 are chiral molecules |
| Answer» Correct Answer - Ii, iii, v, vi | |
| 52. |
How many geometrical isomers are possible for the given compound? Ph-CH=CH-CH=CH-COOHA. 2B. 4C. 6D. 8 |
| Answer» Correct Answer - B | |
| 53. |
Find the number of geometrical isomers possible of the following compounds. |
| Answer» Correct Answer - (i), 3, (ii) 2, (iii) 2, (iv) 8 | |
| 54. |
Which will not show geometrical is isomerism ?1A. Maleic acidB. Fumaric acidC. Cinnamic acidD. Salicylic acid |
| Answer» Correct Answer - D | |
| 55. |
Which is the pair of geometrical isomers : A. I & iiB. I & iiiC. iii & ivD. I & iv |
| Answer» Correct Answer - B | |
| 56. |
Total number of geometrical isomers in the given compound are : |
| Answer» Correct Answer - 6 | |
| 57. |
How many geometrical isomers are possible for A. 2B. 3C. 4D. 8 |
| Answer» Correct Answer - C | |
| 58. |
Total number of geometrical isomers in the given compound are |
| Answer» Correct Answer - 4 | |
| 59. |
No. of Geometrical isomers for following compound is : A. 8B. 16C. 32D. 10 |
| Answer» Correct Answer - B | |
| 60. |
The total number of stereoisomers that can exist for M is: . |
| Answer» Correct Answer - 15 | |
| 61. |
Which of the following carbonyl compound will give two products after reaction with `NH_(2)OH`: |
| Answer» Correct Answer - 5 (i, ii, iv, v, vi) | |
| 62. |
Which of the following amine is optically active?1A. `CH_(3)NH_(2)`B. `CH_(3)NHC_(2)H_(5)`C. D. sec-Butylamine |
| Answer» Correct Answer - D | |
| 63. |
Which of the following carbonyl compounds can give two oximes on reaction with hydroxyl amine ?A. HCNOB. `CH_(3)CHO`C. PhCHOD. `CH_(3)COPh` |
| Answer» Correct Answer - B::C::D | |
| 64. |
Hw may spatial orientations are possible in the following compound ? A. 2B. 8C. 6D. 4 |
| Answer» Correct Answer - B | |
| 65. |
Which of the following compounds have restricted rotation and out of which can show geometrical isomerism? (iii) CICH=CHCI (iv) Ph-N=N-Ph (v) `CH_(3)CH=C(CH_(3))_(2)` (vi) `CH_(3)CH=CH_(2)` (vii) `CH_(3)CH=CHCH_(3)` (viii) `CH_(3)-C-=C-CH_(3)` |
|
Answer» Correct Answer - Restricted rotation present in all the options but geometircal isomersim shown by ii, iii, iv, viii. |
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| 66. |
Statement I: Molecules that are non-superimposable on their mirror images are chiral. Statement II: All chiral molecules have chiral centres.A. Statement -1 is true, statement-2 is ture, statement-2 is a correct explanation for statement -1.B. Statement-1 is true, statement-2 is true, statement-2 is NOT a correct explanation for statement-1.C. Statement -1 is true, statement-2 is false.D. Statement-1 is false, statement-2 is true. |
| Answer» Correct Answer - C | |
| 67. |
Identify the pairs of enantiomers and diastereomers from the following compounds I, II, and III : |
|
Answer» Correct Answer - Enantiomeric pari `-=(I & III)` Diastereomeric pairs `-=(I & II), (II & III)` |
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| 68. |
Which of the following compound posses centre of symmetry?A. B. C. D. |
| Answer» Correct Answer - B | |
| 69. |
Which of the following compound posses plane of symmetry ?A. B. C. D. |
| Answer» Correct Answer - C | |
| 70. |
Which of the following molecules possess a plane of symmetry ?A. B. C. D. More than one of these |
| Answer» Correct Answer - B | |
| 71. |
Which of the following molecules cannot show geometric isomerism ?A. `CH_(3)CH=NOH`B. `(CH_(3))_(2)C=NOH`C. HO-N=N-OHD. |
| Answer» Correct Answer - B | |
| 72. |
Chair form of cyclohexane is more stable than boat form because :A. In chair form carbons are in staggered form and in boat form carbons are in eclipsed formB. In chair form carbons are in eclipsed form and in boat form all the carbons are in eclipsed formC. Bond angle in chiar form is `111^(@)` and bond angle in boat form is `109.5^(@)`D. Bond angle in chair form is `109.5^(@)` and in boat form `111^(@)` |
| Answer» Correct Answer - A | |
| 73. |
Increasing order of stability among the three main conformations (i.e, eclipse, anit, gauche) of 2-fluroethanol isA. eclipse, gauche, antiB. gauche, eclipse, antiC. eclipse, anti, gaucheD. anti, gauche, esclipse |
| Answer» Correct Answer - C | |
| 74. |
Which of the following molecules is expected to rotate the plane polrized light?A. B. C. D. |
| Answer» Correct Answer - C | |
| 75. |
Increasing order of stability among the three main conformations of 2-Fluroethanol is :A. eclipse, gauche, antiB. gauche, eclipse, antiC. eclipse, anti, gaucheD. anti, gauche, esclipse |
| Answer» Correct Answer - C | |
| 76. |
Which one of the following conformations of cyclohexane is chiral?A. ChairB. BoatC. Twist boatD. Rigid |
| Answer» Correct Answer - C | |
| 77. |
The total number of ketones (including stereo isomers ) with the molecular formula `C_(6)H_(12)O` is :A. 4B. 5C. 6D. 7 |
| Answer» Correct Answer - D | |
| 78. |
Total number of optically stereoisomers of `CH_(3)-underset(overset(|)(CI))(C)H-underset(overset(|)(CI))(C)H-underset(overset(|)(CI))(C)H-CH_(3)`A. 2B. 4C. 6D. 8 |
| Answer» Correct Answer - A | |
| 79. |
Numer of fractions on fractional distillation of mixture of: A. 2B. 3C. 4D. 1 |
| Answer» Correct Answer - C | |
| 80. |
Which of the following has the greatest angle strain ?A. methyl cyclobutaneB. methyl cyclopentneC. methyl cyclohexaneD. methyl cyclopropane |
| Answer» Correct Answer - D | |
| 81. |
Consider the following equilibrium, Which of the following best describes the equilibrium constant K of this interconversion ?A. `K lt 1`B. `K gt 1`C. K = 1D. K cannot be deduced from this information |
| Answer» Correct Answer - B | |
| 82. |
Which of the following best describes the stability of the cis and trans isomers of 1, 1, 3, 5 tetraethylcyclohexan ?A. The trans isomer is more stable than the cis.B. The cis isomer is more stable than the trans.C. Both have the same stabilityD. The information given is not sufficient to deduce the stability of the isomers. |
| Answer» Correct Answer - B | |
| 83. |
How many of the following are cis dichlorocyclohexane. |
| Answer» Correct Answer - 5 (iii, v, vi, vii, viii) | |