Question

At $$283 K$$ a saturated solution of solid $$X$$ can be prepared by dissolving $$21.0 g$$ of it in $$100 g$$ of water. The maximum amount of $$X$$ which can be dissolved in $$100 g$$ of water at $$313 K$$ is $$62.0 g$$. An attempt is made to dissolve $$50.0 g$$ of $$X$$ in $$100 g$$ of water at $$313 K$$.A. All the $$50.0 g$$ of $$X$$ will dissolve at $$313 K$$B. At $$313 K$$ $$29.0 g$$ of $$X$$ will remain undissolvedC. Solubility of $$X$$ decreases with increases of temperatureD. On cooling the solution of $$X$$ from $$313 K$$ to $$283 K$$ more than $$21.0 g$$ of $$X$$ will crystallize out.Which of the above statements are correct?

A
A and B
B
A and D
C
B and C
D
A, C and D

Solution

The correct option is B A and DChemistry

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