Alkenes Multiple Choice Questions (MCQ) PDF Download

MCQ 1: When two carbon atoms share two electron pairs then they form

1. single bond
2. double bond
3. triple bond
4. coordinate covalent bond

MCQ 2: All are wrong about alkenes, but that they are

1. saturated hydrocarbons
2. soluble in water
3. unsaturated hydrocarbons
4. insoluble in organic solvents

MCQ 3: What is the color of bromine?

1. brown
2. red
3. orange
4. reddish-brown

MCQ 4: Loss of hydrogen halide is called

1. halogenation
2. dehydration
3. Dehydrohalogenation
4. hydrogenation

MCQ 5: Which of the following is given off during ripening fruits and vegetables?

1. ethane
2. ethene
3. Ethyne
4. methane