Periodic Trends in Chemical Properties of Elements
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313315 First three I.E. of an element 'A' are 5200 kJ/ mol, 7298 kJ/mol and 11815 kJ/mol, respectively. What is the expected formula of its chloride?

1 \({\rm{ACl}}\)
2 \({\rm{AC}}{{\rm{l}}_{\rm{3}}}\)
3 \({\rm{AC}}{{\rm{l}}_{\rm{2}}}\)
4 Data is insufficient
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313316 The ease of loss of electron from Ne and \(\mathrm{Na}^{+}\)ion (both isoelectronic) are

1 \(4562 \mathrm{~kJ} \mathrm{~mol}^{-1}, 2081 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
2 \(2081 \mathrm{~kJ} \mathrm{~mol}^{-1}, 4562 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
3 \(2081 \mathrm{~kJ} \mathrm{~mol}^{-1}\) each
4 \(4562 \mathrm{~kJ} \mathrm{~mol}^{-1}\) each.
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313317 Ionisation energies of element \({\text{AF}}\) are given below in \(\mathrm{kJ} / \mathrm{mol} . \mathrm{IE}_{1}=120, \mathrm{IE}_{2}=430, \mathrm{IE}_{3}=540\).
If A reacts with different elements, which compound of A is not possible?

1 \(\mathrm{AF}\)
2 \(\mathrm{A}_{2} \mathrm{O}\)
3 \(\mathrm{A}_{3} \mathrm{~N}\)
4 \(\mathrm{A}_{3} \mathrm{~N}_{2}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313318 How many Cs atoms can be converted to \({\rm{C}}{{\rm{s}}^{\rm{ + }}}\) ions by 1 joule energy if \({\rm{I}}{{\rm{E}}_{\rm{1}}}\) for Cs is \({\rm{376}}\,\,{\rm{kJ}}\,\,{\rm{mol}}{{\rm{e}}^{{\rm{ - 1}}}}\) ?

1 \({\rm{1}}{\rm{.6 \times 1}}{{\rm{0}}^{{\rm{18}}}}\)
2 \({\rm{1}}{\rm{.6 \times 1}}{{\rm{0}}^{{\rm{10}}}}\)
3 \({\rm{5}}{\rm{.8 \times 1}}{{\rm{0}}^{{\rm{14}}}}\)
4 \({\rm{5}}{\rm{.8 \times 1}}{{\rm{0}}^{{\rm{25}}}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313315 First three I.E. of an element 'A' are 5200 kJ/ mol, 7298 kJ/mol and 11815 kJ/mol, respectively. What is the expected formula of its chloride?

1 \({\rm{ACl}}\)
2 \({\rm{AC}}{{\rm{l}}_{\rm{3}}}\)
3 \({\rm{AC}}{{\rm{l}}_{\rm{2}}}\)
4 Data is insufficient
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313316 The ease of loss of electron from Ne and \(\mathrm{Na}^{+}\)ion (both isoelectronic) are

1 \(4562 \mathrm{~kJ} \mathrm{~mol}^{-1}, 2081 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
2 \(2081 \mathrm{~kJ} \mathrm{~mol}^{-1}, 4562 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
3 \(2081 \mathrm{~kJ} \mathrm{~mol}^{-1}\) each
4 \(4562 \mathrm{~kJ} \mathrm{~mol}^{-1}\) each.
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313317 Ionisation energies of element \({\text{AF}}\) are given below in \(\mathrm{kJ} / \mathrm{mol} . \mathrm{IE}_{1}=120, \mathrm{IE}_{2}=430, \mathrm{IE}_{3}=540\).
If A reacts with different elements, which compound of A is not possible?

1 \(\mathrm{AF}\)
2 \(\mathrm{A}_{2} \mathrm{O}\)
3 \(\mathrm{A}_{3} \mathrm{~N}\)
4 \(\mathrm{A}_{3} \mathrm{~N}_{2}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313318 How many Cs atoms can be converted to \({\rm{C}}{{\rm{s}}^{\rm{ + }}}\) ions by 1 joule energy if \({\rm{I}}{{\rm{E}}_{\rm{1}}}\) for Cs is \({\rm{376}}\,\,{\rm{kJ}}\,\,{\rm{mol}}{{\rm{e}}^{{\rm{ - 1}}}}\) ?

1 \({\rm{1}}{\rm{.6 \times 1}}{{\rm{0}}^{{\rm{18}}}}\)
2 \({\rm{1}}{\rm{.6 \times 1}}{{\rm{0}}^{{\rm{10}}}}\)
3 \({\rm{5}}{\rm{.8 \times 1}}{{\rm{0}}^{{\rm{14}}}}\)
4 \({\rm{5}}{\rm{.8 \times 1}}{{\rm{0}}^{{\rm{25}}}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313315 First three I.E. of an element 'A' are 5200 kJ/ mol, 7298 kJ/mol and 11815 kJ/mol, respectively. What is the expected formula of its chloride?

1 \({\rm{ACl}}\)
2 \({\rm{AC}}{{\rm{l}}_{\rm{3}}}\)
3 \({\rm{AC}}{{\rm{l}}_{\rm{2}}}\)
4 Data is insufficient
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313316 The ease of loss of electron from Ne and \(\mathrm{Na}^{+}\)ion (both isoelectronic) are

1 \(4562 \mathrm{~kJ} \mathrm{~mol}^{-1}, 2081 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
2 \(2081 \mathrm{~kJ} \mathrm{~mol}^{-1}, 4562 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
3 \(2081 \mathrm{~kJ} \mathrm{~mol}^{-1}\) each
4 \(4562 \mathrm{~kJ} \mathrm{~mol}^{-1}\) each.
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313317 Ionisation energies of element \({\text{AF}}\) are given below in \(\mathrm{kJ} / \mathrm{mol} . \mathrm{IE}_{1}=120, \mathrm{IE}_{2}=430, \mathrm{IE}_{3}=540\).
If A reacts with different elements, which compound of A is not possible?

1 \(\mathrm{AF}\)
2 \(\mathrm{A}_{2} \mathrm{O}\)
3 \(\mathrm{A}_{3} \mathrm{~N}\)
4 \(\mathrm{A}_{3} \mathrm{~N}_{2}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313318 How many Cs atoms can be converted to \({\rm{C}}{{\rm{s}}^{\rm{ + }}}\) ions by 1 joule energy if \({\rm{I}}{{\rm{E}}_{\rm{1}}}\) for Cs is \({\rm{376}}\,\,{\rm{kJ}}\,\,{\rm{mol}}{{\rm{e}}^{{\rm{ - 1}}}}\) ?

1 \({\rm{1}}{\rm{.6 \times 1}}{{\rm{0}}^{{\rm{18}}}}\)
2 \({\rm{1}}{\rm{.6 \times 1}}{{\rm{0}}^{{\rm{10}}}}\)
3 \({\rm{5}}{\rm{.8 \times 1}}{{\rm{0}}^{{\rm{14}}}}\)
4 \({\rm{5}}{\rm{.8 \times 1}}{{\rm{0}}^{{\rm{25}}}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313315 First three I.E. of an element 'A' are 5200 kJ/ mol, 7298 kJ/mol and 11815 kJ/mol, respectively. What is the expected formula of its chloride?

1 \({\rm{ACl}}\)
2 \({\rm{AC}}{{\rm{l}}_{\rm{3}}}\)
3 \({\rm{AC}}{{\rm{l}}_{\rm{2}}}\)
4 Data is insufficient
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313316 The ease of loss of electron from Ne and \(\mathrm{Na}^{+}\)ion (both isoelectronic) are

1 \(4562 \mathrm{~kJ} \mathrm{~mol}^{-1}, 2081 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
2 \(2081 \mathrm{~kJ} \mathrm{~mol}^{-1}, 4562 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
3 \(2081 \mathrm{~kJ} \mathrm{~mol}^{-1}\) each
4 \(4562 \mathrm{~kJ} \mathrm{~mol}^{-1}\) each.
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313317 Ionisation energies of element \({\text{AF}}\) are given below in \(\mathrm{kJ} / \mathrm{mol} . \mathrm{IE}_{1}=120, \mathrm{IE}_{2}=430, \mathrm{IE}_{3}=540\).
If A reacts with different elements, which compound of A is not possible?

1 \(\mathrm{AF}\)
2 \(\mathrm{A}_{2} \mathrm{O}\)
3 \(\mathrm{A}_{3} \mathrm{~N}\)
4 \(\mathrm{A}_{3} \mathrm{~N}_{2}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313318 How many Cs atoms can be converted to \({\rm{C}}{{\rm{s}}^{\rm{ + }}}\) ions by 1 joule energy if \({\rm{I}}{{\rm{E}}_{\rm{1}}}\) for Cs is \({\rm{376}}\,\,{\rm{kJ}}\,\,{\rm{mol}}{{\rm{e}}^{{\rm{ - 1}}}}\) ?

1 \({\rm{1}}{\rm{.6 \times 1}}{{\rm{0}}^{{\rm{18}}}}\)
2 \({\rm{1}}{\rm{.6 \times 1}}{{\rm{0}}^{{\rm{10}}}}\)
3 \({\rm{5}}{\rm{.8 \times 1}}{{\rm{0}}^{{\rm{14}}}}\)
4 \({\rm{5}}{\rm{.8 \times 1}}{{\rm{0}}^{{\rm{25}}}}\)