JEE Mains · Chemistry · STD 12 -1. Solution and colligative properties
\(18\, g\) glucose \((C_6H_{12}O_6)\) is added to \(178.2\, g\) water. The Vapour pressure of pure water at \(100\,{\,^o}C\) (in \(torr\)) for this aqueous solution is :
- A \(752.4\)
- B \(759.0\)
- C \(7.6\)
- D \(76.0\)
Answer & Solution
Correct Answer
(A) \(752.4\)
Step-by-step Solution
Detailed explanation
According to Raoult's Law \(\frac{P^{\circ}-P_{s}}{P_{s}}=\frac{W_{B} \times M_{A}}{M_{B} \times W_{A}} \quad \ldots(i)\) Here \(P^{\circ}=\) Vapour pressure of pure solvent, \(P_{s}=\) Vapour pressure of solution \(W_{B}=\) Mass of solute, \(W_{A}=\) Mass of solvent \(M_{B}=\)…
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