1.24 g of AX₂ (molar mass 124 g mol⁻¹) is dissolved in 1 kg of water to form a solution with boiling point of…

Question

**1.24 g** of $$	ext{AX}_2$$ (molar mass **124 g mol$$^{-1}$$**) is dissolved in **1 kg** of water to form a solution with boiling point of **100.0156$$^\circ	ext{C}$$**, while **25.4 g** of $$	ext{AY}_2$$ (molar mass **250 g mol$$^{-1}$$**) in **2 kg** of water constitutes a solution with a boiling point of **100.0260$$^\circ	ext{C}$$**. $$K_	ext{b}(H_2O) = 0.52 \, 	ext{K kg mol}^{-1}$$ Which of the following is correct?

Accepted Answer

B. $$	ext{AX}_2$$ is fully ionised while $$	ext{AY}_2$$ is completely unionised.

Answer

A. $$	ext{AX}_2$$ and $$	ext{AY}_2$$ (both) are fully ionised.

Answer

C. $$	ext{AX}_2$$ and $$	ext{AY}_2$$ (both) are completely unionised.

Answer

D. $$	ext{AX}_2$$ is completely unionised while $$	ext{AY}_2$$ is fully ionised.

Answer & step-by-step solution

Practice more Colligative Properties questions

Related questions