Alkyl fluorides are synthesised by heating an alkyl chloride/bromide in presence of ____________ or ____________.

(i) CaF₂

(ii) CoF₂

(iii) Hg₂F₂

(iv) Na

<p><span data-teams="true">This is a multiple choice answer as classified in NCERT Exemplar</span></p><p>Heat an alkyl chloride/bromide in the presence of a metallic fluoride such as <strong>AgF</strong>, <strong>Hg₂F₂</strong>, <strong>CoF₂</strong>, or <strong>SbF₃</strong> to produce alkyl fluorides. Swarts reaction is the name given to this reaction. <strong>CoF₂</strong> and <strong>Hg₂F₂</strong> are the only choices that work as reagents. NaF is not suitable because the end products of <strong>NaF&nbsp; +&nbsp; RCl→&nbsp;RF&nbsp; +&nbsp; NaCl</strong> are soluble in the solvent, i.e. water, making separation difficult. As a result, the right alternatives are (ii) and (iii).</p><p><strong>Correct Answer:</strong> Option (ii) and (iii)</p>

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