ECAT Chemistry Online Test With Answers

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ECAT Chemistry Online Test

Sr. # Questions Answers Choice
1 Which of the following is weakly acidic in nature Alcohol Phenol Aidehyde Amide
2 Dow's process is used for the preparation of Ester Ethers Alcohols Phenols
3 The hydroxyl derivatives of aromatic hydrocarbons which have the -OH group directly bonded to the ring C-atom are called Alcohols Ketones Esters Phenols
4 Oxidation of 2-propanol gives Propanone Butanone Pentanone None of these
5 Ethyl alcohol may be identified by Ring test Iodoform test Tollen's test Bazeyer's test
6 Dehydration of ethyl alcohol yields Aldehyde Ketone Acid Alkene
7 Alcohols react with carboxylic acid to produce the class of compounds known as Grignard's reagent Esters Amides None of these
8 Glucose in the presence of zymase is converted into Alcohol Acid Ethyl alcohol Ketone
9 The malt-sugar in the presence of yeast or invertase gives Fructose Glucose Lignin Alcohol
10 Oxidation of methyl alcohol gives Formaldehyde Acetone Ester Acid
11 In Lucas test teriary alcohol make an oily layer Immediately In 10 mins On heating Not
12 Which of the following is known as wood spirit Ethyl alcohol Propyl alcohol Methyl alcohol Butyl alcohol
13 Treatment of a secondary alcohol with a suitable oxidizing agent (K2Cr2O7) results in the formation of Ketone Aidehyde Ether Alkyl halide
14 Which of the following is used as anesthetics Alcohol Diethylether Phenol Dimethyl ether
15 Nitration of phenol gives o-nitrophenol p-nitrophenol m-nitrophenol Both o and p-nitrophenol
16 Alcohol reacts with halogen acid to produce Alkyl halides Aldelydes Ketones Alkanes
17 When phenol is reduced in the presence of Zn dust, we get Cyclohexene Cyclohexane Benzene Benzyne
18 In Lucas test primary alcohol make as oily layer Immediately In 10 mins On heating Not
19 95% alcohol is called Rectified spirit Spirit of wine Spirit Methylated
20 Methyl alcohol is not used As a solvent A an anti-freezing agent As a substitute for petrol For denaturing of ethyl alcohol
21 To prepare ethanol by fernentation the optimum temp. is 10 - 20°C 25 - 30°C 20°C 35°C
22 Which enzyme is not involved in fermentation of strach Diastase Zymase Urease Invertase
23 Ethanol can be converted into ethanoic acid by Hydrogenation Hydration oxidation Frmentation
24 Which compound will not dissolve in H2O 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>- OH
25 Which compound is more soluble in water C<sub>2</sub>H<sub>5</sub>OH Benzene CH<sub>3</sub>OCH<sub>3</sub> Hexane
26 Which compound does not show hydrogen bonding with water CH<sub>3</sub>OH C<sub>2</sub>H<sub>5</sub>OH CH<sub>3</sub>- O - CH<sub>3</sub> C<sub>6</sub>H<sub>5</sub>OH
27 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
28 Diethyl ether is obtained by Williamsons synthesis using Ethanol + Na + C<sub>2</sub>H<sub>5</sub>Br Ethanol + Mg + C<sub>2</sub>H<sub>5</sub>Br Methanol + Na + CH<sub>3</sub>Br Methanol + Mg + CH<sub>3</sub>Br
29 Dehydration of an alcohol at 180° Alkene Ether Ester An hydride
30 Baukelite is a polymer obtained from two monomers Phenol and ethanol Phenol and methanol Phenol and methanal Phenol and acetone
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