ECAT Chemistry MCQ's Test For Full Book With Answers

ECAT Chemistry MCQ's Test For Full Book

Sr. # Questions Answers Choice
1 What is not a common use of methane As a fuel For the preparation of haloaklanes For the preparation of methyl alcohol For the preparation of sulphuric acid
2 Alkanes are generally not reactive towards acids, alkalis, oxidation or reuducing agents. They however undergo some reactions, which one is the reaction undergone by alkanes Elemination Addition Free radical substitution Nucleophilic substation
3 The Total coal resources of Pakistan are estimated to be 184 billion 184 million tones 1.84 billion tounes 1.84 million tonnes
4 The hydrocarbons having double bonds normally end with suffix Ane Ene Yne Oic
5 Pent -1-ene-3-yne 2-pentyne-4-ene 1-pentene-3-yne Pent-2-yen-4-ene
6 The saturated hydrocarbons usually end with suffix ______ Ane Ene Yne Oic
7 2, 3-dimethylbutane 2, 3-methylbutane 2-dimethylbutane Dimethylbutane
8 Hydrocarbons are divided into aliphatic, alicyclic and aromatic which structure among the following show an alicyclic hydrocarbon
9 Identify the heterocyclic compound Toluene Pyridine Butanoic acid Propenol
10 Which of the following is an aromatic compound Propanol Cyclohexane Acetone Benezene
11 Which of the following is not a hydrocarbon Butane Methyl benezene Acetylene Glucose
12 Which of the following pair contains isomers of each other Propanoic acid and propanone Acetone and acetaldehyde Ethyl alcohol and diethyl ether Methyl alcohol and dimethyl ether
13 Homologues differ from each other by an integral number of CH<sub>2</sub>groups CH<sub>3</sub>groups CH groups CH<sub>4</sub>groups
14 The catalyst,. which is used as specialist for cracking, are Aluminates Alumlnosilicates Aluminium slats All can be used
15 Quality of fuel is judged from its octane number. The best fuels are Straight chain hydrocarbons Branched chain hydrocarbons Cyclic compounds Compounds containing benzene ring
16 The percentage of methane in natural gas is 50% 60% 85% 90%
17 The major components of coal gas are Hydrogen and methane Ethane and carbon monoxide Nitrogen and ethane Ethane and carbon dioxide
18 Peat contains about 60% carbon 80% carbon 78% carbon 50% carbon
19 The gasoline with high octane No. has ______ More knocking Less knocking No knocking Only knocking
20 Catenation is a process in which carbon shows the properties of making Multiple bonds Hybridization Long chains or rings of carbon atom Showing isomerism
21 Due to the bacterial action on wood it is converted into Peat Lignite Bituminous coal Anthracite
22 Select from the following the one which alcohol
23 A double bond consists of Two sigma bonds One sigma and one Pi bond One sigma and two Pi bonds Two Pi bonds
24 Alkanes normally have ______ hybridization Sp Sp<sup>2</sup> Sp<sup>3</sup> d sp<sup>3</sup>
25 Which of the following is a product of destructive distillation of coal Ammonia Coke Cyanides Kerosene
26 The distillation of coal at high temperature and in absence of air is called Vacuum distillation Normal distillation Fractional distillation Destructive distillation
27 The formula of ketone is None of these
28 The formula of esters is
29 Gasoline is a mixture of hydrocarbons containing carbon atoms 5 to 10 5 to 8 5 to 12 5 to 11
30 The functional group of acid amide is
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