2A + 3B -->C + D When 5 units of A and 6 units of B are allowed to react, the limiting reactant would be:

The limiting reactant is B.

Explanation:

The equation for the reaction is given below:

2A + 3B —> C + D

The limiting reactant can be obtained as follow:

From the equation above,

2 units of A reacted with 3 units of B.

Therefore, 5 units of A will react with = (5 x 3) /2 = 7.5 units of B.

From the calculation made above, we can see that it will take a higher unit of B i.e 7.5 units than what was given i.e 6 units to react completely with 5 units of A.

Therefore, B is the limiting reactant and A is the excess reactant.

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