MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Carbolic acid is [AFMC 2005] |
| A. | \[{{C}_{6}}{{H}_{5}}CHO\] |
| B. | \[{{C}_{6}}{{H}_{6}}\] |
| C. | \[{{C}_{6}}{{H}_{5}}COOH\] |
| D. | \[{{C}_{6}}{{H}_{5}}OH\] |
| Answer» C. \[{{C}_{6}}{{H}_{5}}COOH\] | |
| 2. |
Which of the following is optically active [BHU 1997] |
| A. | Ethylene glycol |
| B. | Oxalic acid |
| C. | Glycerol |
| D. | Tartaric acid |
| Answer» E. | |
| 3. |
Glycine may be classed as all of the following except [JIPMER 1997] |
| A. | A base |
| B. | An acid |
| C. | A zwitter ion |
| D. | Optically active acid |
| Answer» E. | |
| 4. |
An organic compound of molecular formula \[{{C}_{4}}{{H}_{10}}O\] does not react with sodium. With excess of \[HI,\] it gives only one type of alkyl halide. The compound is [SCRA 2001] |
| A. | Ethoxyethane |
| B. | 2-Methoxypropane |
| C. | 1-Methoxypropane |
| D. | 1-Butanol |
| Answer» B. 2-Methoxypropane | |
| 5. |
In the anion \[HCO{{O}^{-}}\] the two carbon-oxygen bonds are found to be of equal length. What is the reason for it |
| A. | Electronic orbitals of carbon atom are hybridised |
| B. | TheC = O bond is weaker than the C - O bond |
| C. | The anion \[HCO{{O}^{-}}\] has two resonating structures |
| D. | The anion is obtained by removal of a proton form the acid molecule |
| Answer» D. The anion is obtained by removal of a proton form the acid molecule | |
| 6. |
Which of the acids cannot be prepared by Grignard reagent [MH CET 2004] |
| A. | Acetic acid |
| B. | Succinic acid |
| C. | Formic acid |
| D. | All of these |
| Answer» D. All of these | |
| 7. |
Which of the following has the most acidic proton [Roorkee Qualifying 1998] |
| A. | \[C{{H}_{3}}COC{{H}_{3}}\] |
| B. | \[{{(C{{H}_{3}})}_{2}}C=C{{H}_{2}}\] |
| C. | \[C{{H}_{3}}COC{{H}_{2}}COC{{H}_{3}}\] |
| D. | \[{{(C{{H}_{3}}CO)}_{3}}CH\] |
| Answer» E. | |
| 8. |
How will you convert butan-2-one to propanoic acid [IIT-JEE (Screening) 2005] |
| A. | Tollen's reagent |
| B. | Fehling's solution |
| C. | \[NaOH/{{I}_{2}}/{{H}^{+}}\] |
| D. | \[NaOH/NaI/{{H}^{+}}\] |
| Answer» D. \[NaOH/NaI/{{H}^{+}}\] | |
| 9. |
Iodoform test is not given by[BHU 1995] |
| A. | Acetone |
| B. | Ethyl alcohol |
| C. | Acetic acid |
| D. | None of these |
| Answer» D. None of these | |