Correct option is C
The correct answer is (c) "i-c, ii-d, iii-b, iv-a "
- Acetic acid is also known as ethanoic acid, ethylic acid, vinegar acid, and methane carboxylic acid. It's the main component of vinegar, which is typically 4–18% acetic acid by volume.
- Methane is a colorless, odorless, flammable gas with the chemical formula CH4. It's the primary component of natural gas and is used to make heat and light, and to manufacture organic chemicals.
- Ethanol is an organic compound with the chemical formula CH₃CH₂OH. It is an alcohol, with its formula also written as C₂H₅OH, C₂H₆O or EtOH, where Et stands for ethyl. Ethanol is a volatile, flammable, colorless liquid with a characteristic wine-like odor and pungent taste.
- Chloroform, or trichloromethane (often abbreviated as TCM), is an organochloride with the formula CHCl3 and a common solvent. It is a volatile, colorless, sweet-smelling, dense liquid produced on a large scale as a precursor to refrigerants and PTFE.