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JEE CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES
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Read the following three statements and choose the correct option. Here stands for true and stands for false statement.
(i) Boron has a smaller first ionization enthalpy than beryllium.
(ii) Nitrogen has smaller first ionization enthalpy than oxygen.
(iii) The first ionization enthalpy increases across a period.
(i) Boron has a smaller first ionization enthalpy than beryllium.
(ii) Nitrogen has smaller first ionization enthalpy than oxygen.
(iii) The first ionization enthalpy increases across a period.
View answer and explanation
Correct option: B
TFT
Option A (FTT) is incorrect. The correct answer is TFT because Boron has a smaller first ionization enthalpy than beryllium, Nitrogen has larger first ionization enthalpy than oxygen, and the first ionization enthalpy increases across a period.
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