ECAT Chemistry MCQ's Test For Full Book With Answers

ECAT Chemistry MCQ's Test For Full Book

Sr. # Questions Answers Choice
1 Which gasoline is better? Of low boiling point Of low molecular mass Of high octane All of these
2 Products of coal is: Peat Lignite Bituminous coal All above
3 Functional group of ketones is: ---CHO ---CO--- ---C<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">≡ N</span> ---COOH
4 Angle 120° is observed in molecules : CH<sub>4</sub> CH<sub>3-</sub>CH<sub>3</sub> CH -CH CH<sub>2 =</sub>CH<sub>2</sub>
5 Linear geometry is present in: Sp<sup>3</sup> Sp<sup>2</sup> Sp D<sup>2</sup>sp<sup>3</sup>
6 General formula of carbocyclic acids is: RCOH RCOR RCOOR R-OH
7 Diversity of organic compounds in millions is: Four Five Six Seven
8 The general formula of saturated alicyclic hydrocarbons is: C<sub>n</sub>H<sub>n</sub> C<sub>n</sub>H<sub>2n</sub> C<sub>n</sub>H<sub>2n+2</sub> C<sub>n</sub>H<sub>2n-1</sub>
9 Tetraethyle lead causes disease: Typhoid Respiratory Stomach Muscular
10 Types of cracking are: Thermal Catalytic Steam All a, b ,c
11 Cracking products are : Only alkanes Only alkenes Alkanes and alkenes Alkynes
12 At present oil refineries in Pakistan are: One Two Three Four
13 Major component of natural gas is: Ethane Ethene Propane Methane
14 Geographical survey of Pakistan estimates about billion tons of coal in Pakistan: 182 183 184 185
15 Fossil fuels consist of : Coal Natural gas Petroleum All of these
16 Select from the following which one is alcohol? CH<sub>3</sub>-CH<sub>2</sub>-OH CH<sub>3</sub>-O-CH<sub>3</sub> CH<sub>3</sub>COOH CH<sub>2</sub>-CH<sub>2</sub>-BR
17 Ether show the phenomenon of : Position isomerism Functional group isomerism Metamerism Cis-trans isomerism
18 A double bond consists of: Two sigma bonds One sigma and one pi bonds One sigma and two pi bonds Two pi bonds
19 Linear shape is associated with set of hybrid orbitals? sp sp2 sp3 dsp2
20 The chemist who synthesized urea form ammonia cyanate was: Berzelius Kolbe Wohler Lavoiser
21 Which set of hybrid orbitals has planar triangle shape? sp<sup>3</sup> sp sp<sup>2</sup> dsp<sup>2</sup>
22 In t-butyl alcohol, the tertiary carbon is bonded to: Two hydrogen atom Three hydrogen atoms One hydrogen atoms No hydrogen atoms
23 The state of hybridization of carbon atom in methane is: sp<sup>3</sup> sp<sup>2</sup> sp dsp<sup>2</sup>
24 Transition elements are called so because: Form interstital sompounds have high m.p In between 's' and' 'p' block elements All of these
25 f-block elements are called : Alkali metal Alkakline earth metals Transition elements Electron deficient elements
26 d-block elements are also called : alkali metal Alkaline earth metals Transition elements Electron deficient elements
27 6-d series is in the period : 4th 5th 6th 7th
28 Series starting from57La,42Hf -80Hg is in the period: 4th 5th 6th 7th
29 5-d series is in the period : 4th 5th 6th 7th
30 4-d series is in the period: 4th 5th 6th 7th
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