McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Pharmacy (B. Pharma) , Pharmacy .
Chapters
| 101. |
In the dichlorination reaction of propane, mixture of products are obtained. How many isomers, the mixture contains………… |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» C. 4 | |
| 102. |
Which of the following cycloalkane gives open chain compound, when reacts with bromine……….. |
| A. | Cyclopropane |
| B. | Cyclopentane |
| C. | Cyclohexane |
| D. | Cyclo-octane |
| Answer» A. Cyclopropane | |
| 103. |
Grignard reagent is not prepared in aqueous medium but prepared; in ether medium because the reagent………….. |
| A. | Reacts with water |
| B. | Is insoluble in water |
| C. | Is highly reactive in ether |
| D. | Becomes inactive in water |
| Answer» A. Reacts with water | |
| 104. |
A sample of petrol is a mixture of 30% n-heptane and 70% iso-octane. The sample has octane number………… |
| A. | 30 |
| B. | 70 |
| C. | 15 |
| D. | 35 |
| Answer» B. 70 | |
| 105. |
Photochemical chlorination of alkane is initiated by a process of…………… |
| A. | Pyrolysis |
| B. | Substitution |
| C. | Cracking |
| D. | Homolysis |
| Answer» D. Homolysis | |
| 106. |
A petroleum fraction having boiling range 70-200°C and containing 6-10 carbon atoms per molecule is called……….. |
| A. | Natural gas |
| B. | Gas oil |
| C. | Gasoline |
| D. | Kerosene |
| Answer» C. Gasoline | |
| 107. |
Pick out the alkane which differs from the other members of the group. |
| A. | 2,2-dimethyl propane |
| B. | Pentane |
| C. | 2-methyl butane |
| D. | 2,2-dimethyl butane |
| Answer» D. 2,2-dimethyl butane | |
| 108. |
2-Methylbutane on reacting with bromine in the presence of sunlight gives mainly…….. |
| A. | 1-bromo-2-methylbutane |
| B. | 2-bromo-2-methylbutane |
| C. | 2-bromo-3-methylbutane |
| D. | 1-bromo-3-methylbutane |
| Answer» B. 2-bromo-2-methylbutane | |
| 109. |
Of the five isomeric hexanes, the isomer which can give two monochlorinated compounds is………….. |
| A. | n-hexane |
| B. | 2, 3-dimethylbutane |
| C. | 2, 2-dimethylbutane |
| D. | 2-methylpentane |
| Answer» B. 2, 3-dimethylbutane | |
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