307178
The ionisation energy of hydrogen atom is 13.6 eV. What will be the ionisation energy of \({\rm{H}}{{\rm{e}}^{\rm{ + }}}\) is
1 \({\rm{54}}{\rm{.4}}\,{\rm{eV}}\)
2 \({\rm{13}}{\rm{.6}}\,{\rm{eV}}\)
3 \({\rm{122}}{\rm{.4}}\,{\rm{eV}}\)
4 \({\rm{27}}{\rm{.2}}\,{\rm{eV}}\)
Explanation:
\({\rm{H}}{{\rm{e}}^{\rm{ + }}}\) is a hydrogen like species i.e., the electron is ionised from first orbit Ionisation energy of \({\rm{H}}{{\rm{e}}^{\rm{ + }}}{\rm{ = }}\frac{{{{\rm{Z}}^{\rm{2}}}{{\rm{E}}_{\rm{H}}}}}{{{{\rm{n}}^{\rm{2}}}}}{\rm{eV}}\) \({\rm{ = }}\frac{{{\rm{4 \times 13}}{\rm{.6}}}}{{{{\rm{1}}^{\rm{2}}}}}{\rm{eV}}\) \({\rm{ = 54}}{\rm{.4eV}}\)
CHXI02:STRUCTURE OF ATOM
307179
The potential energy of an electron in the \({\rm{H}}{{\rm{e}}^{\rm{ + }}}\) ion is 12.08eV. Indicate in which excited state, the electron is present
1 First
2 Second
3 Third
4 Fourth
Explanation:
Total energy of electron \({\rm{ = }}\frac{{{\rm{ - 12}}{\rm{.08}}}}{{\rm{2}}}{\rm{ = - 6}}{\rm{.04eV}}\) Orbit of electron = 3 (Second excited state)
307178
The ionisation energy of hydrogen atom is 13.6 eV. What will be the ionisation energy of \({\rm{H}}{{\rm{e}}^{\rm{ + }}}\) is
1 \({\rm{54}}{\rm{.4}}\,{\rm{eV}}\)
2 \({\rm{13}}{\rm{.6}}\,{\rm{eV}}\)
3 \({\rm{122}}{\rm{.4}}\,{\rm{eV}}\)
4 \({\rm{27}}{\rm{.2}}\,{\rm{eV}}\)
Explanation:
\({\rm{H}}{{\rm{e}}^{\rm{ + }}}\) is a hydrogen like species i.e., the electron is ionised from first orbit Ionisation energy of \({\rm{H}}{{\rm{e}}^{\rm{ + }}}{\rm{ = }}\frac{{{{\rm{Z}}^{\rm{2}}}{{\rm{E}}_{\rm{H}}}}}{{{{\rm{n}}^{\rm{2}}}}}{\rm{eV}}\) \({\rm{ = }}\frac{{{\rm{4 \times 13}}{\rm{.6}}}}{{{{\rm{1}}^{\rm{2}}}}}{\rm{eV}}\) \({\rm{ = 54}}{\rm{.4eV}}\)
CHXI02:STRUCTURE OF ATOM
307179
The potential energy of an electron in the \({\rm{H}}{{\rm{e}}^{\rm{ + }}}\) ion is 12.08eV. Indicate in which excited state, the electron is present
1 First
2 Second
3 Third
4 Fourth
Explanation:
Total energy of electron \({\rm{ = }}\frac{{{\rm{ - 12}}{\rm{.08}}}}{{\rm{2}}}{\rm{ = - 6}}{\rm{.04eV}}\) Orbit of electron = 3 (Second excited state)
307178
The ionisation energy of hydrogen atom is 13.6 eV. What will be the ionisation energy of \({\rm{H}}{{\rm{e}}^{\rm{ + }}}\) is
1 \({\rm{54}}{\rm{.4}}\,{\rm{eV}}\)
2 \({\rm{13}}{\rm{.6}}\,{\rm{eV}}\)
3 \({\rm{122}}{\rm{.4}}\,{\rm{eV}}\)
4 \({\rm{27}}{\rm{.2}}\,{\rm{eV}}\)
Explanation:
\({\rm{H}}{{\rm{e}}^{\rm{ + }}}\) is a hydrogen like species i.e., the electron is ionised from first orbit Ionisation energy of \({\rm{H}}{{\rm{e}}^{\rm{ + }}}{\rm{ = }}\frac{{{{\rm{Z}}^{\rm{2}}}{{\rm{E}}_{\rm{H}}}}}{{{{\rm{n}}^{\rm{2}}}}}{\rm{eV}}\) \({\rm{ = }}\frac{{{\rm{4 \times 13}}{\rm{.6}}}}{{{{\rm{1}}^{\rm{2}}}}}{\rm{eV}}\) \({\rm{ = 54}}{\rm{.4eV}}\)
CHXI02:STRUCTURE OF ATOM
307179
The potential energy of an electron in the \({\rm{H}}{{\rm{e}}^{\rm{ + }}}\) ion is 12.08eV. Indicate in which excited state, the electron is present
1 First
2 Second
3 Third
4 Fourth
Explanation:
Total energy of electron \({\rm{ = }}\frac{{{\rm{ - 12}}{\rm{.08}}}}{{\rm{2}}}{\rm{ = - 6}}{\rm{.04eV}}\) Orbit of electron = 3 (Second excited state)
307178
The ionisation energy of hydrogen atom is 13.6 eV. What will be the ionisation energy of \({\rm{H}}{{\rm{e}}^{\rm{ + }}}\) is
1 \({\rm{54}}{\rm{.4}}\,{\rm{eV}}\)
2 \({\rm{13}}{\rm{.6}}\,{\rm{eV}}\)
3 \({\rm{122}}{\rm{.4}}\,{\rm{eV}}\)
4 \({\rm{27}}{\rm{.2}}\,{\rm{eV}}\)
Explanation:
\({\rm{H}}{{\rm{e}}^{\rm{ + }}}\) is a hydrogen like species i.e., the electron is ionised from first orbit Ionisation energy of \({\rm{H}}{{\rm{e}}^{\rm{ + }}}{\rm{ = }}\frac{{{{\rm{Z}}^{\rm{2}}}{{\rm{E}}_{\rm{H}}}}}{{{{\rm{n}}^{\rm{2}}}}}{\rm{eV}}\) \({\rm{ = }}\frac{{{\rm{4 \times 13}}{\rm{.6}}}}{{{{\rm{1}}^{\rm{2}}}}}{\rm{eV}}\) \({\rm{ = 54}}{\rm{.4eV}}\)
CHXI02:STRUCTURE OF ATOM
307179
The potential energy of an electron in the \({\rm{H}}{{\rm{e}}^{\rm{ + }}}\) ion is 12.08eV. Indicate in which excited state, the electron is present
1 First
2 Second
3 Third
4 Fourth
Explanation:
Total energy of electron \({\rm{ = }}\frac{{{\rm{ - 12}}{\rm{.08}}}}{{\rm{2}}}{\rm{ = - 6}}{\rm{.04eV}}\) Orbit of electron = 3 (Second excited state)
307178
The ionisation energy of hydrogen atom is 13.6 eV. What will be the ionisation energy of \({\rm{H}}{{\rm{e}}^{\rm{ + }}}\) is
1 \({\rm{54}}{\rm{.4}}\,{\rm{eV}}\)
2 \({\rm{13}}{\rm{.6}}\,{\rm{eV}}\)
3 \({\rm{122}}{\rm{.4}}\,{\rm{eV}}\)
4 \({\rm{27}}{\rm{.2}}\,{\rm{eV}}\)
Explanation:
\({\rm{H}}{{\rm{e}}^{\rm{ + }}}\) is a hydrogen like species i.e., the electron is ionised from first orbit Ionisation energy of \({\rm{H}}{{\rm{e}}^{\rm{ + }}}{\rm{ = }}\frac{{{{\rm{Z}}^{\rm{2}}}{{\rm{E}}_{\rm{H}}}}}{{{{\rm{n}}^{\rm{2}}}}}{\rm{eV}}\) \({\rm{ = }}\frac{{{\rm{4 \times 13}}{\rm{.6}}}}{{{{\rm{1}}^{\rm{2}}}}}{\rm{eV}}\) \({\rm{ = 54}}{\rm{.4eV}}\)
CHXI02:STRUCTURE OF ATOM
307179
The potential energy of an electron in the \({\rm{H}}{{\rm{e}}^{\rm{ + }}}\) ion is 12.08eV. Indicate in which excited state, the electron is present
1 First
2 Second
3 Third
4 Fourth
Explanation:
Total energy of electron \({\rm{ = }}\frac{{{\rm{ - 12}}{\rm{.08}}}}{{\rm{2}}}{\rm{ = - 6}}{\rm{.04eV}}\) Orbit of electron = 3 (Second excited state)