Question

the limiting reagent, if any, in the following reaction mixtures.In a reaction -A + B2 ----->AB2 (i) 300 atoms of A + 200 molecules of B (ii) 2 mol A + 3 mol B (iii) 100 atoms of A + 100 molecules of B (iv) 5 mol A + 2.5
mol B (v) 2.5 mol A + 5 mol B​

Answer 1

Answer:

200 molecules of B will react with 200 atoms of A and 100 atoms of A will remain unreacted. Hence, B

2

is the limiting reagent.

(ii) 2 moles of A will react with 2 moles of B

2

and 1 mole of B

2

will remain unreacted. Thus, A is the limiting reagent.

(iii) 100 atoms of A will react with 100 molecules of B

2

. Thus, both reagents are present in stoichiometric amounts.

(iv) 2.5 mole of B

2

will react with 2.5 mole of A and 2.5 mole of A will remain unreacted. Hence, B

2

is the limiting reagent.

(v) 2.5 moles of A will react with 2.5 moles of B

2

and 2.5 moles of B

2

will remain unreacted. Thus, B

2

is the limiting reagent

Explanation:

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