ECAT Chemistry Chapter 22 Alcohols, Phenols and Ethers Online Test With Answers

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ECAT Chemistry Chapter 22 Alcohols, Phenols and Ethers Online Test

Sr. # Questions Answers Choice
1 The organic compounds which derivative of hydrocarbons due to oxygen is: Phenol Alcohol Alkyl halide Either
2 The organic compounds which are derivative of hydrocarbons of oxygen are: Carbohydrates Phenols Alcohals All of these
3 Either, an organic compound has close resemblance in structure and thus a derivative of: Water Oxides of lithium Oxides of magnisium Oxides of aluminium
4 The organic compound, alcohols are much closer to, in structure and hence is also called its derivative: Water Oxidizes of lithium oxides Oxidizes of magnesium Oxidizes of aluminium
5 Phenol was discovered by: Hofmann Runge Henderson Bakelite
6 Alcohol can be denaturated by adding: Acetone Methanol Pyridine All
7 Concentration of rectified spirit is: 12% 14% 90% 95%
8 Absolute alcohol is obtained by adding rectified apirit in alcohol: Water Na<sub>2</sub>CO<sub>3</sub> NaOH CaO
9 denaturing of alcohol is done by adding methanol in ethanol: 10% 20% 30% 40%
10 Which is possible in ethers? Reactivity high Oxidation and reduction Reactivity towards bases Towards acids
11 General formula of alcohol is: ROH Ar-OH R-O-R Ph-OH
12 Alcohols are named by replacing 'e' of alkane with: al ene ol one
13 Ethanol is prepared in Pakistan form fermentation of: Starch Sugar Glucose Molasses
14 Use of ethanol as: Drink Solvent and fuel In beverage All of these
15 Ethyl alcohol prepared during fermentation is pure: 20% 10% 11% 12%
16 Alcohals can be distinguished using test: Lucas Tollen's Koib's William's
17 Oxidation of ter-alcohol gives: Aldehyde Formaldehyde Ketone Alkens
18 Taste of lower alcohols is: Sweet Bitter Our Salty
19 Methanol is prepared from CO and H2 using catalyst: ZnO Cr<sub>2</sub>O<sub>3</sub> Pt Ni
20 Which is not property in ether: Very weak hydogen bonding High b.p Slightly soluble Inflammable
21 Derivative of water is: Alcohals Phenols Either Phenol
22 Alcohols are derivatives of: Benzene Alkanes Alkens Alkynes
23 Phenols are derivative of: Alkanes Alkenes Alkynes Benzene
24 According to Lewis concept ethers behave as: Acid Base Acid as well as a base None of them
25 Rectified spirit contains alcohol about: 80% 85% 90% 95%
26 Methyl alcohol is not used: As a subsitution for petrol As an anti-freezing agent For denating of ethyle alcohal As a solvent
27 Which compound is called a universal solvent? H<sub>2</sub>O CH<sub>3</sub>OH C<sub>2</sub>H<sub>5</sub>OH CH<sub>3</sub>----O---CH<sub>3</sub>
28 which enzyme is not involved in the fermentation of starch ? Diastase Zymase Urease Invertase
29 Ethanol can be converted into ethanoic acid : Hydrogenation Hydration Oxidation Fermentation
30 Which compound has the maximum repulsion with water? C<sub>6</sub>H<sub>6</sub> C<sub>2</sub>H<sub>5</sub>OH CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>OH CH<sub>3</sub>----O---CH<sub>3</sub>
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