(vii) Hold a magnesium (Mg) strip in a pair of tongs and igniteOn burn

1.	(vii) Hold a magnesium (Mg) strip in a pair of tongs and igniteOn burning in air a white powder of magnesium oxide isformed.(a) What is the total number of molecules taking part in theabove reaction?What is the number of molecules of reactants takingpart in the above reaction?)How many products are formed in the above reaction?
Answer» (a) Total number of molecules taking part in above reaction are 5 molecules. (2 molecules of Mg, one molecule of O2 and 2 molecules of MgO) (b) 3 molecules of reactant taking part in reaction (2 molecules of Mg and one molecule of O2. (c) Only one product MgO (magnesium oxide) formed in above reaction.

(vii) Hold a magnesium (Mg) strip in a pair of tongs and igniteOn burning in air a white powder of magnesium oxide isformed.(a) What is the total number of molecules taking part in theabove reaction?What is the number of molecules of reactants takingpart in the above reaction?)How many products are formed in the above reaction?

Answer»

(a) Total number of molecules taking part in above reaction are 5 molecules. (2 molecules of Mg, one molecule of O2 and 2 molecules of MgO)

(b) 3 molecules of reactant taking part in reaction (2 molecules of Mg and one molecule of O2.