JEE Main 2026 Chemistry question

By usual analysis, 1.00 g of compound (X) gave 1.79 g of magnesium pyrophosphate. The percentage of phosphorus in compound (X) is: (nearest integer) (Given, molar mass in g mol: O = 16, Mg = 24, P = 31)

• (1)50Correct
• (2)30
• (3)20
• (4)40