Main pollutant from automobile exhaust is: — Qualitative and Quantitative Analysis Chemistry Question

💡 Solution & Explanation

Step 1: Automobile exhaust contains multiple pollutants, including carbon monoxide (CO), carbon dioxide (CO2), nitrogen oxides (NOx), and hydrocarbons. Step 2: In terms of total emissions by mass and as a major product of complete fossil fuel combustion, carbon dioxide is released in the highest quantity. Step 3: Following the textbook's provided answer key, option (b) is identified as the correct answer.