Single Choice

$$CaCl_2$$ is preferred over $$NaCl$$ for clearing ice on roads on particularly in very cold countries. This is because:

A$$CaCl_2$$ is not soluble in $$H_2O$$ than $$NaCl$$
B$$CaCl_2$$ is hygroscopic but $$NaCl$$ is not
Ceutectic mixture of $$CaCl_2$$/$$H_2O$$ freezes at $$-55^oC$$ while that of $$NaCl$$/$$H_2O$$ freezes at $$-18^oC$$
Correct Answer
D$$NaCl$$ makes the road slippery but $$CaCl_2$$ does not

Solution

$$CaCl_2$$ is preferred over $$NaCl$$ for clearing ice on roads on particularly in very cold countries due to much lower freezing point of eutectic mixture of $$CaCl_2/H_2O$$.

SIMILAR QUESTIONS

s - block Elements (Alkali and Alkaline Earth Metals)

The lightest metal among the following is:

s - block Elements (Alkali and Alkaline Earth Metals)

Size of hydrated ion of $$Li^+ and Be^{2+} $$ is :

s - block Elements (Alkali and Alkaline Earth Metals)

Compare the solubility and thermal stability of alkali metals carbonates with those of the alkaline earth metals nitrates.

s - block Elements (Alkali and Alkaline Earth Metals)

Which of the following oxides is most acidic in nature?

s - block Elements (Alkali and Alkaline Earth Metals)

The correct order of solubility of the following compound in water is:

s - block Elements (Alkali and Alkaline Earth Metals)

Compare the solubility and thermal stability of the following compounds of the alkali metals with those of the alkaline earth metals. (a) Nitrates, (b) Carbonates, (c) Sulphates.

s - block Elements (Alkali and Alkaline Earth Metals)

The hydroxides and carbonates of sodium and potassium are easily soluble in water while the corresponding salts of magnesium and calcium are sparingly soluble in water. Explain?

s - block Elements (Alkali and Alkaline Earth Metals)

Alkaline earth metals are better reducing agents than alkali metals.

s - block Elements (Alkali and Alkaline Earth Metals)

Which of the following groups of elements have chemical properties that are most similar :

s - block Elements (Alkali and Alkaline Earth Metals)

If $$X$$ and $$Y$$ are the second ionisation potentials of alkali and alkaline earth metals of same period, then :

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