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

ECAT Chemistry Chapter 22 Alcohols, Phenols and Ethers Online Test

Sr. # Questions Answers Choice
1 Compound X has molecular formula C10H14O and is unreactive towards mild oxidising agents. What is the structure of the compound formed by dehydration of X
2 In its reaction with Na, 1 mol of X gives 1 mol of H2(g). What is X CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>OH (CH<sub>3</sub>)<sub>3</sub>COH CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CO<sub>2</sub>H CH<sub>3</sub>CH(OH)CO<sub>2</sub>H
3 1-bromobutane 2-bromobutane 1-bromo-2-methyl propane 2-bromo-2-methyl propane
4 An organic compound will decolorise dill acidified (aq) KMnO4on warming, but will not decolorise bromine water. What is the compound KMnO<sub>4</sub> Ethanol Ethane CH<sub>3</sub>CH<sub>2</sub>Cl
5 Which structure shows a tertiary alcohol CH<sub>3</sub>CH<sub>2</sub>OH (CH<sub>3</sub>)<sub>2</sub>CHOH (CH<sub>3</sub>)<sub>3</sub>COH CH<sub>2</sub>OH
6 How many secondary alcoholic groups are present in the structure of glucose OHC CHOH CHOHCH OH CHOH CH2OH 1 2 3 4
7 What will react differently with the two isomeric pentols, (CH3)3CCH2OH and (CH3)2CH CH2CH2OH Acidified (aq) KMnO<sub>4</sub> Concentrated H<sub>2</sub>SO<sub>4</sub> PCl Sodium
8 Which alcohol gives only one oxidation product when wormed with dil acidified K2Cr2O7 Butan-1-ol Butan-2-ol 2-methyl propan-1-ol 2-methyl propan-2-ol
9 How many alcohol (including both structural isomers and stereoisomers) can have the molecular formula C4H10O 3 4 5 6
10 If an electrophile attacks then ______ bond breaks first C - H O - H C - O None of these
11 Williamson's synthesis is used to prepare Diethylether Phenolphthalein Hydrogenation Bakelite
12 Phenol is also known as Acetic acid Carbolic acid Tararic acid Trichloroacetic acid
13 When phenol is distilled with zinc dust. It is reduced to Benzene Benzaldehyde Toluene Hexanol
14 Which one is used as a fuel for internal combustion engines in many European countries and Brazil C<sub>2</sub>H<sub>5</sub>OH CH<sub>3</sub>OH CH<sub>3</sub>COOH C<sub>2</sub>H<sub>2</sub>
15 Which one of the following reacts immediately with conc. HCI in the presence of ZnCI2 Primary alcohol Secondary alcohol Tertiary alcohol Ether
16 The reaction of sodium with ethanol gives CH<sub>3</sub>OH NaH H<sub>2</sub>O H<sub>2</sub>
17 Which of the following is an isomer of ethanol CH<sub>3</sub>OCH<sub>3</sub> C<sub>2</sub>H<sub>5</sub>OC<sub>2</sub>H<sub>5</sub> CH<sub>3</sub>OH C<sub>2</sub>H<sub>5</sub>OH
18 Industrial alcohol may be denaturated by the addition of Methyl alcohol Acetone Pyridine Any of the above reagent
19 Rectified spirit contains alcohol about 80% 85% 90% 95%
20 Ethanol can be converted into ethanoic acid by Hydrogenation Hydration Oxidation Fermentation
21 Which compound is more soluble in water C<sub>2</sub>H<sub>5</sub>OH C<sub>6</sub>H<sub>5</sub>OH CH<sub>3</sub>OCH<sub>3</sub> n-hexanol
22 Which compound shows hydrogen bonding C<sub>2</sub>H<sub>6</sub> C<sub>2</sub>H<sub>5</sub>CI CH<sub>3</sub>-O-CH<sub>3</sub> C<sub>2</sub>H<sub>5</sub>OH
23 Which of the following is produced when an aqueous solution of butan-2-ol is refluxed with dil acidified KMnO4 Butanol Butanoic acid Butanone Butane
24 Which of the following compounds will not react with sodium metal to release hydrogen CH<sub>3</sub>CH<sub>2</sub>CH<sub>3</sub> CH<sub>3</sub>CH<sub>2</sub>OH C<sub>6</sub>H<sub>5</sub>OH C<sub>6</sub>H<sub>5</sub>CH<sub>2</sub>OH
25 Aqueous bromine Dilute HNO<sub>3</sub> Dilute HCI CH<sub>3</sub>COCI
26 Which one of the following correctly describes the acid properties of phenol Stronger than HCI Stronger than carboxylic acid An acid stronger than carbonic acid An acid weaker than carboxylic acid
27 Phenol is used in the preparation of Bakelite Phenatherene Cellulose All of these
28 Which of the following is weakly acidic in nature Alcohol Phenol Aidehyde Amide
29 Dow's process is used for the preparation of Ester Ethers Alcohols Phenols
30 The hydroxyl derivatives of aromatic hydrocarbons which have the -OH group directly bonded to the ring C-atom are called Alcohols Ketones Esters Phenols
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