JEE Main Chemistry question

When an electron is removed from an atom, its energy [UP SEE 2003]

(A)IncreaseCorrect
(B)Decrease
(C)Remains the same
(D)None of these

Answer: (A)

Solution

Ionisation (removing an electron) always requires an input of energy (ionisation energy), since the electron must be pulled away from the attractive pull of the nucleus; this added energy raises the overall

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Question ID VK-133216