Cameroon GCE A-Level Chemistry Practice Questions - Cameroon General Certificate Of Education Advanced Level Chemistry (Subject Code 0715) Exam

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The convergence limit of the Lyman series in the emission spectrum of atomic hydrogen occurs at a wavelength of 91.2 nm (9.12 x 10^-8 m). Given Planck's constant h = 6.63 x 10^-34 J s, speed of light c = 3.00 x 10^8 m s^-1, and Avogadro constant L = 6.02 x 10^23 mol^-1, what is the first ionization energy of hydrogen in kJ mol^-1?

1312 kJ mol^-1 218 kJ mol^-1 131.2 kJ mol^-1 798 kJ mol^-1

Correct Answer:

1312 kJ mol^-1

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