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प्रश्न
Which of the following is INCORRECT for alkali metals?
पर्याय
Li < Na < K < Rb < Cs (Atomic radii)
Li < Na < K < Rb < Cs (Ionic radii)
Li > Na > K > Rb > Cs (Melting point)
Li < Na < K < Rb < Cs (Ionization enthalpy)
MCQ
उत्तर
Li < Na < K < Rb < Cs (Ionization enthalpy)
Explanation:
Moving down the group, the ionization enthalpy of alkali metals drops. As a result, Li > Na > K > Rb > Cs is the order.
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Alkali Metals and Alkaline Earth Metals
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