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.
| 1. |
The IUPAC name of `CH_(3)CHO` is :A. AcetaldehydeB. MethylaldehydeC. Formyl chlorideD. Ethanal |
| Answer» Correct Answer - D | |
| 2. |
The IUPAC name of tertiary butyl chloride isA. 4-chlorobutaneB. 2-chlorobutaneC. 1-chloro-3-methylpropaneD. 2-chloro-2-methylpropane |
| Answer» Correct Answer - D | |
| 3. |
Which of the following molecular formula belongs to alkyne series ?A. `C_(7)H_(14)`B. `C_(10)H_(22)`C. `C_(9)H_(16)`D. `C_(16)H_(32)` |
| Answer» Correct Answer - C | |
| 4. |
A mixture of naphthalene and oxalic acid can be separated by :A. chromatographyB. sublimationC. fractional crystallisationD. distillation. |
| Answer» Correct Answer - B | |
| 5. |
If 0.2 g of an organic compound containing carbon, hydrogen and oxygen on combustion yielded 0.147 g of `CO_(2)` and 0.12 g of `H_(2)O`. What will be the content of oxygen in the substance ?A. `73.29 %`B. `78.45 %`C. `83.23 %`D. `89.50 %` |
| Answer» Correct Answer - A | |
| 6. |
Separation of two substances by fractional crystallisation depends upon their differences in:A. densitiesB. volatilityC. solubilityD. crystal shape. |
| Answer» Correct Answer - C | |
| 7. |
Sublimation is a process in which a solid :A. changes into another allotropic formB. changes into liquid formC. changes into vapour formD. None of the above |
| Answer» Correct Answer - C | |
| 8. |
In graphite, electrons are :A. localised on every third carbonB. present in antibonding orbitalC. localised on each carbonD. spread out between the structures |
| Answer» Correct Answer - D | |
| 9. |
Carbogen is :A. Pure form of carbonB. `COCl_(2)`C. mixture of `CO` and `CO_(2)`D. mixture of `O_(2)` and `CO_(2)` |
| Answer» Correct Answer - D | |