Find the correct name and condensed molecular formula for the given group of compounds:
Answer variants:
Oganesson
\(C_4H_8O\)
Butanal
\(CH_5O_9\)
Mercury
Methoxy methane
\(C_2H_6O\)
  
1. Ethers 
 
Name of the alkyne         Condensed formula
 
       -    
 
2. Aldehyde
 
Name of the alkyne        Condensed formula
 
       -