ECAT Chemistry Chapter 18 Fundamental Principles of Organic Chemistry Online Test With Answers

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ECAT Chemistry Chapter 18 Fundamental Principles of Organic Chemistry Online Test

Sr. # Questions Answers Choice
1 The bond angle between hydrogen atoms and carbon in alkane is 104.5<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°</span> 107.5<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°</span> 109.5<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°</span> 120.5<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°</span>
2 Which of the following posses linear geometry Alkane Alkene Alkyne Benzene
3 Coal heated in the absence of air of about 500 - 1000°C is converted to Coke Coal gas Coal tar All above
4 Peat before conversion to bituminous coal is converted to Lignite Anthracite Asphalt None
5 Coal is obtained from dead remains of Plants Animals Both a and b None
6 Organic compounds are soluble in all except Benzene Petroleum Ether Water
7 Rates of organic reactions are Fast Very fast Slow Non-reactive
8 The self linking of carbon atoms is called Chelation Isomerism Catenation None of the above
9 Organic compounds resemble to those of inorganic compounds having same Ionic properties Carbon forming long chain or rings Chemical forces Isomerism
10 The essential component of organic compound is O C P N
11 Wholer prepared urea from Ammonia NH<sub>4</sub>CNO NH<sub>3</sub> Uric acid
12 Vital force theory was rejected by Berzellius Kolbe Wholer Lavoiser
13 The rotation of two carbon atoms joined by double bond would happened only if Pi bond is broken Sigma bond is broken Both bonds are broken None of above
14 Which of the following has linear shape? SP SP<sup>2</sup> SP<sup>3</sup> None of the above
15 Hybridzation explain the --------- of orbitals Type of bonding Shapes Shape and type of bonding None of above
16 I-Chloropropane has two isomers, it is an example of Chain isomerism Position isomerism Functional group isomerism Metamerism
17 The isomers due to the unequal distribution of carbon atoms on either side of the functional group belonging to the same homologous series are called Functional isomers Position isomers Chain isomers Metamers
18 In which molecule carbon atom is sp2hybridized CH<sub>4</sub> C<sub>2</sub>H<sub>4</sub> C<sub>2</sub>H<sub>2</sub> None of the above
19 When a carbon atom forms single bonds with other carbon atoms, these hybrid orbitals overlap with the orbitals of hydrogen to form four bonds which are Three sigma and one P<sub>i</sub> Two sigma and two P<sub>i</sub> One sigma and three P<sub>i</sub> sigma
20 3 4 5 2
21 The gasoline having octane No. 100 has ______ More knocking Less knocking No knocking Only knocking
22 1, 5-pentadiene Penta-1, 4-diene 1, 1-pentadiene 1, 4-pentene
23 Which structure shows a primary alcohol
24 2, 2, 4-trimethylpentane 2, 4, 4-trimethylpentane 2, 4, 4-methyepentane 2, 2, 4-methylpentane
25 0 1 2 3
26 1 2 3 4
27 Condensation Dehydration Dehydrogenation Hydrogenation
28 Which of these always applies to a nucleophile It attacks a double bond It has a lone pair of electrons It is single atom It is negatively charged
29 Addition Elimination Addition Reduction Elimination Reduction Substitution Elimination
30 0 1 0 2 1 1 1 2
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