PDF chapter test TRY NOW

Select the correct molecular formula for the given compounds:
  
 
Answer variants:
\(CH_3-(COOH)_3-Cl\)
\(CH_3-CH_3\)
\(CH_3-(CH_2)_2-CHO\)
\(CH_2=CH-(CH_2)_2-CH_3\)
  
1. Ethane  -
 
2. Pent-1-ene -