Question: 12g of Mg (at. mass 24) on reacting completely with acid gives hydrogen gas, the volume of which at STP would be [CPMT 1978]
(a) 22.4 L
(b) 11.2 L
(c) 44.8 L
(d) 6.1 L
Correct Answer: (b) 11.2 L
![12g of Mg (at. mass 24) on reacting completely with acid gives hydrogen gas, the volume of which at STP would be [CPMT 1978] (a) 22.4 L (b) 11.2 L (c) 44.8 L (d) 6.1 L](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj5nvvGVLz8FAdeqdBjP4YY748B8g92IxkmZEmUruY1tlLSIz7Yg4WRUkWkJULdw1kzQG3JLunCh6inwE-lOrzRhnvtGlL6x14T07L3jlsTc72-17V0Vfeur9gO3hICDdeOvWytyEIJTl_DpPeaGxOPPgzL_fqBIEpgy4SymsJLt0_tbbd54bG4h9xN/s1920/12g%20of%20Mg%20(at.%20mass%2024)%20on%20reacting%20completely%20with%20acid%20gives%20hydrogen%20gas,%20the%20volume%20of%20which%20at%20STP%20would%20be%20%5BCPMT%201978%5D.jpg "12g of Mg (at. mass 24) on reacting completely with acid gives hydrogen gas, the volume of which at STP would be [CPMT 1978] (a) 22.4 L (b) 11.2 L (c) 44.8 L (d) 6.1 L")
12g of Mg (at. mass 24) on reacting completely with acid gives hydrogen gas, the volume of which at STP would be [CPMT 1978]