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This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Organic Chemistry knowledge and support exam preparation. Choose a topic below to get started.
1. |
Identify the incorrect statement regarding the reagent 6M NH3. |
A. | It increases hydroxide and NH<sub>3</sub> concentration |
B. | It decreases H+ concentration |
C. | It is capable of precipitating insoluble hydroxides |
D. | It is capable of forming hydro complexes |
Answer» E. | |
2. |
Select the correct statement about the reagent 6M HNO3. |
A. | It forms hydroxo complexes |
B. | It destroys hydroxo and ammonia complexes |
C. | It forms NH<sub>3</sub> complexes |
D. | It decreases the H+ ion concentration |
Answer» C. It forms NH<sub>3</sub> complexes | |
3. |
Identify the reagent which is not commonly used in qualitative analysis? |
A. | 6M NaOH |
B. | 6M HCl |
C. | 6M HNO<sub>3</sub> |
D. | 6M NH<sub>4</sub> |
Answer» E. | |
4. |
Covalent molecules can be identified using quantitative methods. |
A. | False |
B. | True |
Answer» B. True | |
5. |
Identify the test which is not a part of qualitative analysis? |
A. | Litmus test |
B. | Kastle-Meyer test |
C. | Iodine test |
D. | Flame test |
Answer» B. Kastle-Meyer test | |
6. |
Select the inappropriate statement regarding quantitative analysis. |
A. | It helps in determining the outcome of the product |
B. | It helps in determining the impurities in the sample |
C. | It fails to indicate the presence of lead in some compound |
D. | It could identify the amounts of dosage present in the drug |
Answer» D. It could identify the amounts of dosage present in the drug | |
7. |
Which among the following is not a physical method? |
A. | X-ray fluorescence spectroscopy |
B. | Atomic emission spectroscopy |
C. | Inert gas fusion |
D. | Trace element analysis |
Answer» D. Trace element analysis | |
8. |
Select the incorrect statement regarding analytical balance. |
A. | It is the fundamental kit in quantitative analysis |
B. | It measures samples very accurately |
C. | It could measure the difference in mass upto 0.1 mg |
D. | It is not a sensitive instrument |
Answer» E. | |
9. |
Quantitative analysis is one which is used for separating out the specific constituents from a mixture. |
A. | True |
B. | False |
Answer» C. | |
10. |
Identify the one which does not come under the chemical methods of quantitative analysis? |
A. | Gravimetric |
B. | Titrimetric |
C. | Volumetric |
D. | Magnetic suceptibility |
Answer» E. | |