|
1) The odor of Ethyne is a. garlic like b. ginger like c. strawberry like d. petrol like
|
||||
|
2) C5-C15 members of alkenes are a. solids b. liquids c. gases d. plasma
|
||||
|
3) What is the correct trend in the reactivity of halogen with an alkane? a. F2 > Cl2> Br2 > I2 b. I2 > Cl2 > Br2 > F2 c. Br2 > Cl2 > F2 > I2 d. F2 > Br2 > Cl2 >I2
|
||||
|
4) Alkanes that contain 5 to 17 atoms are in a. solid state b. liquid state c. gaseous state d. plasma state
|
||||
|
5) How does bromine react? a. explosively b. slowly in dark but rapidly in strong sunlight c. requires high temperature or strong sun light d. essentially unreactive
|
||||
|
6) When do alkanes readily react with halogens? a. in darkness b. in sunlight c. all the time d. none of above
|
||||
|
7) Which alkanes are widely used as fuel? a. lighter alkanes b. heavier alkanes c. all the alkanes d. alkenes
|
||||
|
8) What is the state of dichloromethane at room temperature? a. solid b. liquid c. gas d. plasma
|
||||
|
9) When bromine water is added to an alkene, the product is a. red b. orange c. colorless d. reddish-brown
|
||||
|
10) Ethylene glycol is used as an a. ripening agent b. fertilizer c. titrating agent d. anti-freeze
|
||||
