natures chemistry end of unit question - mistakes

Question 1

ethyl mercaptan (C 2 H 6 S) is a smelly gas added too gaseous fuels for detection of gas leaks 
name 3 products formed when ethyl mercaptan is burned in a plentyful supply of air

Answer 1

water, carbon dioxide, sulfur dioxide

(sulfur is in the formula - must fully read question and look out for that kind of easy mistake)

Question 2

state a disadvantage of adding sulfur compounds too a fuel

Answer 2

sulfur dioxide will be produced when fuel burns which is the main cause of acid rain

Question 3

propene reacts whith hydrogen chloride to form two posible products
name the type of reaction taking place

Answer 3

adition

Question 4

what must be included in a diagram of the burning alcohol experiment

Answer 4

• thermomiter
• copper can (with labled contence)
• drought sheild
• spirit burner
• alcohol