Isoelectric species have the same number of electrons. This property is not only restricted to atoms but also observed in molecules and ions. Choose the correct order of radius.Which of the following statements is correct for the following isoelectronic series?(consider in order)S2−,Cl−,K+,Ca2+Which of the following sets of isoelectronic species does not have the same shape?

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Detailed Solution

Greater the negative charge greater the ionic size. Greater the positive charge lesser the ionic size.Since the ionic size is decreasing LHS to RHS , the tendency to remove electrons will slow down or energy needed to remove electron increases.H2S and HCl both have same number of electrons, but the former is angular and latter is linear.

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