Count the number of properties which have hig | vedclass

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Question

(B) $1$. Ionisation potential: '$O$' $(1314 \ kJ/mol)$  >  '$S$' $(1000 \ kJ/mol)$. Higher for '$O$'.$2$. Electron affinity: '$S$' $(-200 \ kJ/mol)$

Vedclass · Accepted Answer

$2$

Vedclass · Answer

(B) $1$. Ionisation potential: '$O$' $(1314 \ kJ/mol)$  >  '$S$' $(1000 \ kJ/mol)$. Higher for '$O$'.$2$. Electron affinity: '$S$' $(-200 \ kJ/mol)$  >  '$O$' $(-141 \ kJ/mol)$. Note: Magnitude is higher for '$S$'. Thus, '$O$' is lower.$3$. Covalent radius: '$S$' $(102 \ pm)$  >  '$O$' $(66 \ pm)$. '$O$' is lower.$4$. Electronegativity: '$O$' $(3.44)$  >  '$S$' $(2.58)$. Higher for '$O$'.Only '$2$' properties (Ionisation potential and Electronegativity) have higher values for '$O$' than '$S$'.Therefore, the correct option is $B$.

List-$I$	List-$II$
$(1)$ Active non-metal with high electron gain enthalpy.	$(A)$ $Na$
$(2)$ Soft metal with low ionization enthalpy.	$(B)$ $Sb$
$(3)$ Metalloid that forms ${M_2}{O_3}$ type oxide.	$(C)$ $He$
$(4)$ Chemically inert gas.	$(D)$ $Cl$

Count the number of properties which have higher value for '$O$' atom than that of '$S$': Ionisation potential, Electron affinity, Covalent radius, Electronegativity.

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