TS EAMCET · Chemistry · States of Matter

A gaseous mixture of $2$ moles of $A$ , $3$ moles of $B$ , $5$ moles of $C$ and $10$ moles of $D$ is contained in a vessel. Assuming that gases are ideal and the partial pressure of $C$ is $1.5$ atm, total pressure is

A $3$ atm
B $6$ atm
C 10 atm
D $15$ atm

Verified Solution

Answer & Solution

Correct Answer

(B) $6$ atm

Step-by-step Solution

Detailed explanation

Dalton’s Law of Partial Pressures states that the total pressure exerted by the mixture of non-reactive gases is equal to the sum of the partial pressures of individual gases i.e., the pressures which these gases would exert if they were enclosed separately in the same…

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

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A gaseous mixture of 2 moles of A, 3 moles of B, 5 moles of C and 10 moles of D is contained in a vessel. Assuming that gases are ideal and the partial pressure of C is 1.5 atm, total pressure is

Step-by-step Solution

A gaseous mixture of $2$ moles of $A$ , $3$ moles of $B$ , $5$ moles of $C$ and $10$ moles of $D$ is contained in a vessel. Assuming that gases are ideal and the partial pressure of $C$ is $1.5$ atm, total pressure is