See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

    2 2 2 1 1 2 4 4 2 4 2 2 C AB x x K x A B           2 2 AB  Now let y moles of AB2 is added      2 2 2 1 4 2 2 2 2 1 4 2 4 2 1 8 8 2 6 C y K y y y y              