JEE Mains · Chemistry · STD 11 - 3. Classification of elements and periodicity in properties
The incorrect statement is
- A The first ionization enthalpy of \(K\) is less than that of \(Na\) and \(Li\)
- B \(Xe\) does not have the lowest first ionization enthalpy in its group
- C The first ionization enthalpy of element with atomic number \(37\) is lower than that of the element with atomic number \(38\) .
- D The first ionization enthalpy of \(Ga\) is higher than that of the \(d-\)block element with atomic number \(30\).
Answer & Solution
Correct Answer
(D) The first ionization enthalpy of \(Ga\) is higher than that of the \(d-\)block element with atomic number \(30\).
Step-by-step Solution
Detailed explanation
Ionization enthalpy order : \(Li > Na > K\) \(He > Ne > Ar > Kr > Xe > Rn\) \(Sr > Rb\) \(Zn > Ga\)
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