एक विलयन का वास्तविक हिमांक \(-0.6^{\circ}C\) है और शुद्ध विलायक का हिमांक \(0^{\circ}C\) है, तो \(\Delta T_f\) कितना है?
A solution has freezing point \(-0.6^{\circ}C\) and pure solvent has freezing point \(0^{\circ}C\). What is \(\Delta T_f\)?
Correct answer and explanation
C. \(0.6^{\circ}C\)
Concept
\(\Delta T_f\) शुद्ध विलायक के हिमांक और विलयन के हिमांक का अंतर है। / \(\Delta T_f\) is the difference between freezing points of pure solvent and solution.
Why this answer is correct
\(0 - (-0.6) = 0.6\)। / \(0 - (-0.6) = 0.6\).
Exam Tip
कमी का मान धनात्मक रूप में लिखा जाता है। / Depression is written as a positive magnitude.
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