




The given chemical reaction involves a sequence of reactions starting with a Friedel-Crafts acylation, followed by a Clemmensen reduction, and concluding with dehydration.
Based on these reactions, compound C would be the final product of this series of transformations.
The correct structure of compound C matches the given option: Structure 1.
Thus, the final structure of compound C is represented by Structure 1, confirming it as the correct answer.

Thus the correct answer is Option 1.
MX is a sparingly soluble salt that follows the given solubility equilibrium at 298 K.
MX(s) $\rightleftharpoons M^{+(aq) }+ X^{-}(aq)$; $K_{sp} = 10^{-10}$
If the standard reduction potential for $M^{+}(aq) + e^{-} \rightarrow M(s)$ is $(E^{\circ}_{M^{+}/M}) = 0.79$ V, then the value of the standard reduction potential for the metal/metal insoluble salt electrode $E^{\circ}_{X^{-}/MX(s)/M}$ is ____________ mV. (nearest integer)
[Given : $\frac{2.303 RT}{F} = 0.059$ V]
An infinitely long straight wire carrying current $I$ is bent in a planar shape as shown in the diagram. The radius of the circular part is $r$. The magnetic field at the centre $O$ of the circular loop is :
