.gif)
Home
News
Colleges
Courses
Admission
Lectures
Online Test
Past Papers
Date Sheets
Results
Study Abroad
Jobs
Tutors
More
Apps
MDCAT Chemistry Chapter 16 Alcohols and Phenols Online Test
| Sr. # | Questions | Answers Choice |
|---|---|---|
| 1 | 2-propanol on Oxidation gives | Aldehyde Carboxylic Acid Ketone Alcohol |
| 2 | An alcohol is converted to an aldehyde with same number of carbon atoms as that of alcohol in the presence of K2Cr2O7/H2S04 the alcohol is | CH3C(CH3)2OH (CH3)3COH <div>CН3СН2СН2OH</div><div><br></div> (CH3)2CHOH |
| 3 | The oxidation of 1 - propanol in the presence of H2SO4, +K2Cr207 produces final product | Acetaldehyde Propanal Acetone Propanoic acic |
| 4 | The conversion of tertiary alcohols into alkenes in the presence of K2Cr2O7 + H2SO4 is | Addition reaction C-H bond cleavage Elimination reaction Combustion reaction |
| 5 | When wine is put in air, it becomes sour due to | Oxidation of C2H5OH Formation of C2H5NH2 Reduction of C2H5OH Dissolution of CO2 |
| 6 | Oxidation of secondary alcohol produces | Aldehyde Ketone Alkyl halide Ester |
| 7 | 2-propanol on oxidation yield | Propionaldehyde Propanone Propanal Butanal |
| 8 | Identify the compound, which give iodoform test | Methanol 3- Hexanol Methyl ketone Propionaldehyde |
| 9 | To distinguish aldehyde from ketone which solution is used | Alkaline solution Fehling's solution A solution containing K2Cr2O7 A solution containing acid only |
| 10 | Which reagent is responsible for the conversion of ketone to secondar alcohul | NaAlH NaBH4 Al Red P |
| 11 | .Both aldehydes and ketones are planar to the neighborhoods of carbonyl (C-0) group. Which one of the following bonds is distorted towards the oxygen atoms? | pi-bond of C and O Sigma bond of C and O Sigma bond of C and H Sigma bond of C and C |
| 12 | A student mixed ethyl alcohol with small amount of sodium dichromate and added it to the hot solution of dilute sulphuric acid. A vigorous reaction took place. He distilled the product formed immediately. What was the product? | Aceton3 Dimethyi ether Acetic acid Acetaldehyde |
| 13 | Consider the following reaction R-CHO + 2Ag(NH3)2OH + R-COONH+ +2Ag+2NH3+H2OThis reaction represents |
Fehling test Ninhydrin test Benedict lest Tollen's test |
| 14 | Acetaldchyde and ketone form addition product with | Phenyl hydrazine Hydroxylamine Hydrazine hydrogen cyanide |
| 15 | In aldehydes and ketones carbon of carbonyl group is; | sp³ hyhridized sp² hybridized sp hybridized un hybridized |
| 16 | When calcium formate and calcium acetate are dry heated they form | НCOOH C2H5OH CH3CHO HCHO |
| 17 | Which of the following gives positive haloform test and positive Fehling solution | Acetone Echanol Acetaldehyde Formaldehyde |
| 18 | The reagent used to distinguish between ethanol and propanal is | I2/ NaOH Benedict's reagent LiAIH sodium nitroprusside |
| 19 | The addition compound obtained by reacting acetaldelyde and HCN, when Iydrolyzed gives | Ethyl alcohol Methyl cyanide 2-Hydroxy propanoic acid Ethyl cyanide |
| 20 | The reaction of formaldehyde with HCN is | Nucleophilic substitution Electrophilic substitution Nucleophilic addition Free radical addition |
