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Q. No.1. Select the correct Answer from the following,
1. State of Hybridization of Carbon in ethane is
a) sp²
b) sp³
c) sp
d) dsp²
2. Which set of hybrid orbitals have a planner triangular shape
a) sp²
b) sp³
c) sp
d) dsp²
3. Which one of the following is a homocyclic compound?
a) Phenanthrene
b) Anthracene
c) Benzene
d) All of these
4. Ethers show the phenomenon of
a) position isomerism
b) Functional group isomerism
c) metamerism
d) cis-trans isomerism
5. Number of sigma bonds in Ethene,
a) 2
b) 3
c) 4
d) 5
6. In t-butyl alcohol, the tertiary carbon is bounded to,
a) 2 Hydrogen atoms
b) 3 Hydrogen atoms
c) 1 Hydrogen atom
d) No Hydrogen atom
7. Number of possible structural isomers of Pentane
a) 1
b) 2
c) 3
d) 4
8. Functional group having double bonds is
a) -NO2
b) -CN
c) -SH
d) All of these
Q. No. 2. Give short answers to the following questions.
1. Define tautomerism with examples.
2. Define Heterocyclic Hydrocarbon compounds with examples.
3. Describe different forms of coal.
4. What is Carbonization?
5. Why cracking is useful?
6. 1-Butene and 2-Butene are which type of isomers of each other, justify.
7. Define functional groups and give some examples.
Q. No. 3. Answer the following Long Questions.
a) Explain ethene and ethyne molecules on the basis of hybridization.
b) What is Cracking. Give examples. Why it is important?
Answer Key;
1. b
2. a
3. d
4. c
5. a
6. d
7. c
8. a