What is the ionisation energy of a hydrogen atom in its ground state?

CHEMISTRY · Single correct · CBSE · Chemistry · Structure of Atom · Structure of Atom

Problem

What is the ionisation energy of a hydrogen atom in its ground state? (a)

27.2\ \text{eV}

(b)

13.6\ \text{eV}

(c)

6.8\ \text{eV}

(d)

10.2\ \text{eV}