CHEM CHO QUIZ 2 ISOMERISM (11/01)

Which of the following statements about isomers is correct?

• Isomers have the same molecular formula but different chemical properties.

• Isomers have different molecular formulas but the same chemical properties.

• Isomers have different molecular formulas and different chemical properties.

• Isomers have the same molecular formula and the same chemical properties.

Identify amongst the following the isomers of Pentane

(select the right answers/answer)

• 
• 
• 
• 

What is isomerism in carbon compounds?

• Compounds with the same molecular formula but different physical properties

• Compounds with different molecular and structural formulae

• Two or more compounds with the same molecular formula but different structural formulae

• Compounds with the same molecular and structural formulae

How many structural isomers can be formed for butane?

• 1
• 3
• 4
• 2

How many carbons are there in the longest chain?

• 3

• 6

• 11

• 4

• 5

Formula for Benzene molecule is

• C5H10

• C6H12

• C6H10

• C6H14

• C6H6

Which of the following is/are alkyne?

• 
  C₅H₁₂

• C₆H₁₀

• C₃H₄

• C₄H₈

Identify the correct IUPAC name of the given isomer

• but-1-ene

• but-2-ene

• 2-Methyl-2-butene

• butene

What is C₃H₇Cl called

• Chlorobutane

• Chlorohexane

• Chlorobutanol

• Chloropropane

How many structural isomers can be formed for a compound having the molecular formula C5H12?

• 3
• 10
• 7
• 5
• 2