Which of the following statements are correct? (A) Both ${\rm{LiCl}}\,\,{\rm{and}}\,\,{\rm{MgC}}{{\rm{l}}_{\rm{2}}}$ are soluble in ethanol. (B) The oxides ${\rm{L}}{{\rm{i}}_{\rm{2}}}{\rm{O}}\,\,\,{\rm{and}}\,\,{\rm{MgO}}$ combine with excess of oxygen to give superoxide. (C) ${\rm{LiF}}$ is less soluble in water than other alkali metal fluorides. (D) ${\rm{L}}{{\rm{i}}_2}{\rm{O}}$ is more soluble in water than other alkali metal oxides. Choose the most appropriate answer from the options given below:

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JEE CHEMISTRY MCQ: CHEMICAL BONDING & MOLECULAR STRUCTURE

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Which of the following statements are correct?
(A) Both

\mathrm{LiCl}\,\,\mathrm{and}\,\,\mathrm{MgC}{\mathrm{l}_\mathrm{2}}

are soluble in ethanol.
(B) The oxides

\mathrm{L}{\mathrm{i}_\mathrm{2}}\mathrm{O}\,\,\,\mathrm{and}\,\,\mathrm{MgO}

combine with excess of oxygen to give superoxide.
(C)

\mathrm{LiF}

is less soluble in water than other alkali metal fluorides.
(D)

\mathrm{L}{\mathrm{i}_2}\mathrm{O}

is more soluble in water than other alkali metal oxides.
Choose the most appropriate answer from the options given below:

View answer and explanation

Correct option: A

(A) and (C) only

Option A ((A) and (C) only) is correct because LiCl and MgCl₂ are soluble in ethanol due to their covalent nature, and LiF is less soluble in water due to its high lattice energy.

JEE CHEMISTRY MCQ: CHEMICAL BONDING & MOLECULAR STRUCTURE

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