In carbon dioxide (CO₂), the current process for determining the formula is which one of the following?

کاربن ڈائی آکسائیڈ میں ، فارمولے کا تعین کرنے کے لئے موجودہ عمل مندرجہ ذیل میں سے کون سا ہے؟

Cross the valencies and simplify

Multiply valencies directly

Only use atomic masses

None of these

Explanation

Carbon has a valency of 4, and Oxygen has a valency of 2.

By crossing the valencies, we get CO₂ (i.e., one carbon and two oxygen atoms), and the ratio simplifies to the empirical and molecular formula: CO₂.