In the combustion of methane, what is the limiting reactant and why?

In each of the following question, an Assertion (A) is following by a corresponding Reason (R ). Use the following keys to choose the appropriate answer. Assertion : In a combustion reaction in the air, oxygen is the limiting reactant. Reason : Oxygen is present in limited amount (only21%) in the air.

1.0 g of Mg is burnt in a closed vessel which contains 0.5 g of O_2 . Which is the limiting reactant? What is the amount of MgO formed in the reaction?

The heat of combustion of methane at constant volume measured in a bomb caloriemeter at 298K is found to be -885389 Jmol -1, Calculate the value of heat of combustion at constant pressure.

Internal energy, enthalpy and entropy are thermodynamics state functions. Calculate enthalpy of combustion of methane, given that the standard enthalpies of formation of CH_4 , CO_2 and H_2O are -75.2, -394.0 and -285.6 kJ//mol respectively.

3g of hydrogen reacts with 30g of oxygen to yield H_2O . Which is the limiting reactant?

In each of the following question, an Assertion (A) is following by a corresponding Reason (R ). Use the following keys to choose the appropriate answer. Assertion : The reactant which is present in larger amount limits the amount of product formed is called limiting reagent. Reason : Amount of product formed does not depend upon the amount of reactants taken.

In the formation of methane, carbon undergoes sp^3 hybridisation. What is the geometry of methane molecule?