Select the correct statement(s) for the following reaction. 2 A(s) + B(g) →3 C (g) + 4 D ( ℓ)

Engineering

Chemistry

Chemical Equation and Stoichiometric Calculation

Question

Select the correct statement(s) for the following reaction.
2 A(s) + B(g) →3 C (g) + 4 D ( ℓ)

22.4 L of B (g) produces 3 mol of C at 1 atm & 273 K in excess of A.

2 mol of A always produce 3 mol of C & 4 mol of D

Moles of D produced is always less than C because volume of liquid is less than gas.

B will always remain in excess because volume of gas is very high than solid

College PredictorLive

Know your College Admission Chances Based on your Rank/Percentile, Category and Home State.

Get your JEE Main Personalised Report with Top Predicted Colleges in JoSA

This question tests stoichiometry and states of matter. The balanced reaction is: 2 A(s) + B(g) → 3 C(g) + 4 D(ℓ).

Let's evaluate each option:

1. Incorrect. Excess depends on initial amounts, not physical state.

2. Incorrect. Moles are independent of volume; 4 mol D are produced per 3 mol C.

3. Correct. From stoichiometry, 2 mol A produce exactly 3 mol C and 4 mol D.

4. Correct. At STP (1 atm, 273 K), 22.4 L of any gas is 1 mol. 1 mol B produces 3 mol C.

Final answer: The correct statements are the third and fourth options.