Organic Chemistry Quiz

What is the general formula for alkanes?

• CnH2n

• CnH2n-2

• CnH2n+1

• CnH2n+2

How many carbon atoms are present in butane?

• 6

• 10

• 4

• 8

What type of hybridization is exhibited by carbon atoms in alkanes?

• sp

• sp3

• sp2

• dsp3

Which of the following is a physical property of alkanes? A) Low boiling point B) High reactivity C) Solubility in water D) Acidic nature

• A

• B) High boiling point

• D) Basic nature

• C) Insolubility in water

What is the name of the alkane with 5 carbon atoms?

• Hexane

• Butane

• Octane

• Pentane

What is the bond angle in alkanes?

• 120 degrees

• 109.5 degrees

• 90 degrees

• 180 degrees

Which of the following is a method for the preparation of alkanes? A) Wurtz reaction B) Friedel-Crafts alkylation C) Grignard reaction D) Beckmann rearrangement

• A

• B

• C

• D

What is the IUPAC name of CH3-CH2-CH2-CH3?

• methane

• propane

• ethane

• butane

What is the boiling point trend of alkanes with increasing molecular weight?

• Boiling point decreases

• Boiling point fluctuates

• Boiling point remains constant

• Boiling point increases

Which of the following is a chemical property of alkanes? A) Combustibility B) High solubility in water C) Reactivity with acids D) Basic nature

• D) Acidic nature

• C) Reactivity with bases

• B) Low solubility in water

• A