ECAT Chemistry Chapter 19 Aliphatic Hydrocarbons Online Test With Answers

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ECAT Chemistry Chapter 19 Aliphatic Hydrocarbons Online Test

Sr. # Questions Answers Choice
1 Which can be used for dehydration of alcohol P<sub>4</sub>O<sub>10</sub> H<sub>2</sub>SO<sub>4</sub> H<sub>3</sub>PO<sub>4</sub> All of them
2 Preparation of vegetable ghee involves Halogenations Hydrogenations Hydroxylation Dehydrogenations
3 Which one of the following gases is used for artificial ripening of fruits Ethane Ethyne Methane Propane
4 When methane reacts with Cl2in the presence of diffused light the products obtained are Chloroform only Carbon tetrachloride only Chloromethane and dichloromethane Mixture of a, b, c
5 B-B'-dichloroethyl sulphide is commonly known as Mustard gas Laughing gas Phosgene gas Bio gas
6 Synthetic rubber is made by polymerization of Chloroform Acetylene Divinlacetylene Butene
7 The addition of unsymmetrical reagent to an unsymmetrical alkene is in accordance with Hund's rule Markownikov's rule Pauli's Exclusion principle Auf ban principle
8 Vinyl acetylene combines with HCI to form Poly acetylene Benzene Chloroprene Divinylacetylene
9 The correct order of reactivity of halogens with alkanes is l<sub>2</sub>&gt; Br<sub>2</sub>&gt; Cl<sub>2</sub>&gt; F<sub>2</sub> l<sub>2</sub>&gt; Cl<sub>2</sub>&gt; F<sub>2</sub>&gt; Br<sub>2</sub> F<sub>2</sub>&gt; Cl<sub>2</sub>&gt; l<sub>2</sub>&gt; Br<sub>2</sub> F<sub>2</sub>&gt; Cl<sub>2</sub>&gt; Br<sub>2</sub>&gt; l<sub>2</sub>
10 Formula of chloroform is CH<sub>3</sub>CI CCI<sub>4</sub> CH<sub>2</sub>CI<sub>2</sub> CHCI<sub>3</sub>
11 Preparation of vegetable ghee involves Halogenations Hydrogenation Hydroxylation Dehydrogenation
12 When n-hexane is heated in the presence of Pt at 500°C, it cyclists to give Benzene Cyclohexene Benzene Toluene
13 The geometry of acetylene is Angular Bent Trigonal Linear
14 The sp2hybird orbitals are oriented in space at one angle 180° 109.5° 100° 120°
15 The molecule of ethane possess which hybrization sp<sup>3</sup> sp<sup>2</sup> sp sp<sup>2</sup>d
16 Acetylene is used in the manufacture of Rubber Plastic Ethyle alcohol All of these
17 Acetylene when treated with 10% H2SO4in the presence of HgSO4adds one molecule of water to form Aldehydes Esters Alcohols Acids
18 Which gas is used for welding purposes Butane Nitrogen Methane Acetylene
19 Which gas is produced by treating CaC2with water Methane Ethane Acetylene HCI
20 Which of the following decolorized Br2-water Methane Ethane Ethene Propane
21 Ethylene decolorizes cold dilute solution of KMnO4. This test is known as Colouration test Baeyer's test Silver mirror test Ring test
22 Ethylene polymerizes at 100 atm pressure and 400°C to give Polybenzene Polyalcohol Polypropylene Polyethylene
23 C18and onward hydrocarbons are normally Gases Liquids Solids Plasma
24 Ethylene combines with water in the presence of H2SO4+ HgSO4and forms Ethyle chloride Ethyle alcohol Carboxylic acid None of these
25 Alkenes combine readily with electrophillic reagents such as halogens giving Haloalkanes Gem-dihalides Vicinal dihalides Vinyl halides
26 The elimination of HX from adjacent carbon atoms is called Halogenations Hydrohalogenation Dehydrohalogenation Hydration
27 Ethylene can be prepared in the laboratory by heating together ethyl alcohol and HCI Phenol HF H<sub>2</sub>SO<sub>4</sub>
28 When an aqueous solution of potassium salt of monocarboxylic acid is subjected to electrolysis, corresponding alkane is formed. This reation is known as Cannizaro reaction Sabatier-secderens reaction Alkylation Kolbe's reaction
29 Alkyl halides when reduced with nascent hydrogen in the presence of Zn + HCI, are converted to Alkynes Alkenes Alkanes Alcohol
30 Zn + HCI are used in Clemenson reduction Wof kishner reduction Kolb's electrolysis Wutruz reaction
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