In compound PClx F5-x, possible values of x are 0 to 5, then calculate value of x1 + x2 + x3 (where x1, x2 and x3...... are possible values of x, with zero dipole moment for given compound).

Question

Prashant Kotian · Accepted Answer

Correct answer: 8

**SOLUTION:** COMPOUNDS WITH ZERO DIPOLE MOMENT OCCUR AT:
X1 = 0 (PF5)
X2 = 3 (PCL3F2)
X3 = 5 (PCL5)
X1 + X2 + X3 = 0 + 3 + 5 = 8.. Step 1: Recall that the solubility of ionic compounds (like KI) in a solvent is directly proportional to the dielectric constant (ε) of the solvent. Step 2: A higher dielectric constant weakens the electrostatic forces holding the ionic lattice together, allowing the ions to solvate and dissolve more easily. Step 3: Among the given solvents, CH3OH has the highest dielectric constant (ε = 32). Therefore, KI has the highest solubility in CH3OH, matching option (c).

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