Assertion (A): LiCl and MgCl_2 are soluble in | vedclass

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(B) Assertion $(A)$ is true because $LiCl$ and $MgCl_2$ exhibit significant covalent character due to the high polarizing power of small $Li^+$ and $M

Vedclass · Accepted Answer

$A$ is true, $R$ is true but $R$ is not the correct explanation for $A$

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(B) Assertion $(A)$ is true because $LiCl$ and $MgCl_2$ exhibit significant covalent character due to the high polarizing power of small $Li^+$ and $Mg^{2+}$ ions (Fajans' rule), making them soluble in organic solvents like ethanol.Reason $(R)$ is true because lithium and magnesium are indeed harder than other elements in their respective groups due to their small atomic size and strong metallic bonding.However, the hardness of the metals is not the reason for the solubility of their chlorides in ethanol; the solubility is due to the covalent nature of the compounds.Therefore, both statements are true, but the reason is not the correct explanation for the assertion.

Assertion $(A)$: $LiCl$ and $MgCl_2$ are soluble in ethanol.
Reason $(R)$: Lithium and magnesium are harder than their respective group elements.

Similar Questions

Which of the following statements about $LiCl$ and $NaCl$ is correct?

$STATEMENT-1$: Boron always forms covalent bonds.
Because
$STATEMENT-2$: The small size of $B^{3+}$ favors the formation of covalent bonds.

Which of the following metal halides has the most covalent character?

Which metal halide is insoluble in water?

Which of the following chlorides shows the most covalent character?

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Assertion $(A)$: $LiCl$ and $MgCl_2$ are soluble in ethanol.Reason $(R)$: Lithium and magnesium are harder than their respective group elements.