Alkenes

Which of the following is a general formula of alkenes?

• C_nH_2n+2

• C_nH₂

• C_nH_2n-2

• C_nH_2n-1

Which of the following shows the structure of ethene?

• 
• 
• 
• 

Tags

NGSS.HS-PS1-3

A compound consists of carbon and hydrogen elements only. It also contains a carbon-carbon double bond. This compound is known as

• saturated organic compound

• unsaturated organic compound

• saturated hydrocarbon

• unsaturated hydrocarbon

Ethane reacts with bromine under suitable condition.

Which of the following is a product of this reaction?

• bromomethane

• dibromoemethane

• bromoethane

• tribromopropane

Which of the following is not a chemical properties of alkenes?

• combustion

• substitution

• addition reaction

• polymerisation

Ethene reacts with acidified potassium manganate (VII) solution to form a product.

What is the name of this reaction ?

• halogenation

• hydrogenation

• hydration

• oxidation

What is the condition for hydration of butene ?

• phosphoric acid, 60 atm, 300 ⁰C

• Nickel or platinum, 180 ^oC

• 1000atm, 200 ^oC

• room temperature

Tags

NGSS.HS-PS1-5

Ethene reacts with acidified potassium manganate (VII) solution for form W.

What is W?

• ethanol

• ethane

• ethan-1,2-diol

• ethane-1,2-diol

What is the general formula of the alkynes?

• C_nH_2n+1
• C_nH_2n+2
• C_nH_2n-1
• C_nH_2n-2

Which of the following could contain a triple bond?

• C₄H₁₀
• C₄H₈
• C₄H₆
• C₄H₁₂