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CHEM ESSENTIALS-QUIZ-based on concepts and not past papers / 1-ESSENTIALS OF ORGANIC CHEMISTRY-Set-1

Quiz title : 1-ESSENTIALS OF ORGANIC CHEMISTRY-Set-1
Number of questions : 9

Question : 1. The example of a fossil fuel is:

A. Crude oil
B. Solar energy
C.Hydro-electrc fuel
D. Bio-gas

Question : 2.The process used to separate the chemicals in petroleum into useful fractions is:

A. Simple distillation
B. Fractional distillation
C. Filtration
D. Solvent extraction

Question : 3. The long chained hydrocarbons have higher boiling points because

A. The intermolecular forces of attraction between their molecules is very weak. Hence more energy is needed to overcome these forces
B. The intermolecular forces of attraction between their molecules is very strong.Hence more energy is needed to overcome these forces

Question : 4. From the options given below, tick the compound that belongs to a different homologous series .

A . Ethyl ethanoate
B. Ethanoic acid
C. Methyl butanoate
D. Butyl pentanoate

Question : 5-Members of a homologous series have similar chemical properties because

A. They have the same molecular mass
B. They have the same functional group
C. They have the same number of carbon and hydrogen atoms
D. Their physical properties vary in a gradual way

Question : 6- The members of the same homologous series have different physical properties because

A.They have different chemical properties
B.They have a different types of elements in them
C.They have different molecular masses
D. They have the same molecular masses

Question : 7-What is not true of catalytic cracking

A. It uses a catalyst such as silicon dioxide and aluminium oxide
B. It produces a high proportion of alkenes
C.It produces many different types of products
D.It is cheaper than thermal cracking

Question : 8-What is not true of alkanes?

A. They are saturated hydrocarbons
B. They decolourise the bromine water
C. They are highly unreactive
D. They undergo complete as well as incomplete combustion

Question : 9-What is not true of alkenes

A. They are highly reactive
B. They do not decolourise bromine water
C. They undergo hydrogenation reaction
D. They are unsaturated hydrocarbons

Instruction:

This section named as " Essentials of Organic Chemistry-1" is designed to test you on the concepts . Questions that appear here are not based on any board exam papers. These are developed by Subject Experts . There are times when you want some one to test you on your understanding of the subject. This section exactly does this. So while topic wise questions help you master application skills, this section helps to master your concepts.