Ionization energy decreases with the increasing size of metal atom. Out of cesium, lithium, potassium and sodium,

Aptitude and Reasoning MCQ Questions with Solutions

Ionization energy decreases with the increasing size of metal atom. Out of cesium, lithium, potassium and sodium, Which will have the lowest lionization energy?
Statements:
I) Cesium has the largest size.
II) The size of sodium lies between potassium and lithium.

A) Statement I alone is sufficient
B) Statement II alone is sufficient
C) Both statements put together are sufficient
D) Both the statements even put together are not sufficient

Answer & Explanation:

A) Statement I alone is sufficient
Statement I tells Cesium has the largest size. so based on the question Ionization energy decreases with the increasing size of metal atom. therfore Statement I alone is sufficient to answer this question

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