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

313240 Electronic configuration of most electronegative element is

1 \({\rm{1}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{p}}^{\rm{5}}}\)
2 \({\rm{1}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{p}}^{\rm{6}}}{\rm{3}}{{\rm{s}}^{\rm{1}}}\)
3 \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{p}}^{\rm{6}}}\,{\rm{3}}{{\rm{s}}^{\rm{2}}}\,{\rm{3}}{{\rm{p}}^{\rm{5}}}\)
4 \({\rm{1}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{p}}^{\rm{6}}}\,{\rm{3}}{{\rm{s}}^{\rm{2}}}\,{\rm{3}}{{\rm{p}}^{\rm{6}}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313241 Which of the following is affected by stable configuration of an atom?
(i) Electronegativity
(ii) Ionisation potential
(iii) Electron affinity
Correct answer is

1 Only electronegativity
2 Only ionisation potential
3 Electron affinity and ionisation potential
4 All of the above
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313190 Which one of the following statements is incorrect?

1 Greater the nuclear charge, greater is the electron affinity
2 Chlorine has highest electron affinity
3 Nitrogen has zero electron affinity
4 Electron affinity decreases from fluorine to iodine in 17th group
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313284 Which of the following is the correct order of size of given species?

1 \({\rm{H > }}{{\rm{H}}^{\rm{ - }}}{\rm{ > }}{{\rm{H}}^{\rm{ + }}}\)
2 \({{\rm{H}}^{\rm{ + }}}{\rm{ > }}{{\rm{H}}^{\rm{ - }}}{\rm{ > H}}\)
3 \({\rm{H > }}{{\rm{H}}^{\rm{ + }}}{\rm{ > }}{{\rm{H}}^{\rm{ - }}}\)
4 \({{\rm{H}}^{\rm{ - }}}{\rm{ > H > }}{{\rm{H}}^{\rm{ + }}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313285 The ionic radius of Cr is minimum in which or the following compounds?

1 \({\rm{Cr}}{{\rm{F}}_{\rm{3}}}\)
2 \({\rm{CrC}}{{\rm{l}}_{\rm{3}}}\)
3 \({\rm{C}}{{\rm{r}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\)
4 \({{\rm{K}}_{\rm{2}}}{\rm{Cr}}{{\rm{O}}_{\rm{4}}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313240 Electronic configuration of most electronegative element is

1 \({\rm{1}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{p}}^{\rm{5}}}\)
2 \({\rm{1}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{p}}^{\rm{6}}}{\rm{3}}{{\rm{s}}^{\rm{1}}}\)
3 \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{p}}^{\rm{6}}}\,{\rm{3}}{{\rm{s}}^{\rm{2}}}\,{\rm{3}}{{\rm{p}}^{\rm{5}}}\)
4 \({\rm{1}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{p}}^{\rm{6}}}\,{\rm{3}}{{\rm{s}}^{\rm{2}}}\,{\rm{3}}{{\rm{p}}^{\rm{6}}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313241 Which of the following is affected by stable configuration of an atom?
(i) Electronegativity
(ii) Ionisation potential
(iii) Electron affinity
Correct answer is

1 Only electronegativity
2 Only ionisation potential
3 Electron affinity and ionisation potential
4 All of the above
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313190 Which one of the following statements is incorrect?

1 Greater the nuclear charge, greater is the electron affinity
2 Chlorine has highest electron affinity
3 Nitrogen has zero electron affinity
4 Electron affinity decreases from fluorine to iodine in 17th group
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313284 Which of the following is the correct order of size of given species?

1 \({\rm{H > }}{{\rm{H}}^{\rm{ - }}}{\rm{ > }}{{\rm{H}}^{\rm{ + }}}\)
2 \({{\rm{H}}^{\rm{ + }}}{\rm{ > }}{{\rm{H}}^{\rm{ - }}}{\rm{ > H}}\)
3 \({\rm{H > }}{{\rm{H}}^{\rm{ + }}}{\rm{ > }}{{\rm{H}}^{\rm{ - }}}\)
4 \({{\rm{H}}^{\rm{ - }}}{\rm{ > H > }}{{\rm{H}}^{\rm{ + }}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313285 The ionic radius of Cr is minimum in which or the following compounds?

1 \({\rm{Cr}}{{\rm{F}}_{\rm{3}}}\)
2 \({\rm{CrC}}{{\rm{l}}_{\rm{3}}}\)
3 \({\rm{C}}{{\rm{r}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\)
4 \({{\rm{K}}_{\rm{2}}}{\rm{Cr}}{{\rm{O}}_{\rm{4}}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313240 Electronic configuration of most electronegative element is

1 \({\rm{1}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{p}}^{\rm{5}}}\)
2 \({\rm{1}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{p}}^{\rm{6}}}{\rm{3}}{{\rm{s}}^{\rm{1}}}\)
3 \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{p}}^{\rm{6}}}\,{\rm{3}}{{\rm{s}}^{\rm{2}}}\,{\rm{3}}{{\rm{p}}^{\rm{5}}}\)
4 \({\rm{1}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{p}}^{\rm{6}}}\,{\rm{3}}{{\rm{s}}^{\rm{2}}}\,{\rm{3}}{{\rm{p}}^{\rm{6}}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313241 Which of the following is affected by stable configuration of an atom?
(i) Electronegativity
(ii) Ionisation potential
(iii) Electron affinity
Correct answer is

1 Only electronegativity
2 Only ionisation potential
3 Electron affinity and ionisation potential
4 All of the above
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313190 Which one of the following statements is incorrect?

1 Greater the nuclear charge, greater is the electron affinity
2 Chlorine has highest electron affinity
3 Nitrogen has zero electron affinity
4 Electron affinity decreases from fluorine to iodine in 17th group
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313284 Which of the following is the correct order of size of given species?

1 \({\rm{H > }}{{\rm{H}}^{\rm{ - }}}{\rm{ > }}{{\rm{H}}^{\rm{ + }}}\)
2 \({{\rm{H}}^{\rm{ + }}}{\rm{ > }}{{\rm{H}}^{\rm{ - }}}{\rm{ > H}}\)
3 \({\rm{H > }}{{\rm{H}}^{\rm{ + }}}{\rm{ > }}{{\rm{H}}^{\rm{ - }}}\)
4 \({{\rm{H}}^{\rm{ - }}}{\rm{ > H > }}{{\rm{H}}^{\rm{ + }}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313285 The ionic radius of Cr is minimum in which or the following compounds?

1 \({\rm{Cr}}{{\rm{F}}_{\rm{3}}}\)
2 \({\rm{CrC}}{{\rm{l}}_{\rm{3}}}\)
3 \({\rm{C}}{{\rm{r}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\)
4 \({{\rm{K}}_{\rm{2}}}{\rm{Cr}}{{\rm{O}}_{\rm{4}}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313240 Electronic configuration of most electronegative element is

1 \({\rm{1}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{p}}^{\rm{5}}}\)
2 \({\rm{1}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{p}}^{\rm{6}}}{\rm{3}}{{\rm{s}}^{\rm{1}}}\)
3 \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{p}}^{\rm{6}}}\,{\rm{3}}{{\rm{s}}^{\rm{2}}}\,{\rm{3}}{{\rm{p}}^{\rm{5}}}\)
4 \({\rm{1}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{p}}^{\rm{6}}}\,{\rm{3}}{{\rm{s}}^{\rm{2}}}\,{\rm{3}}{{\rm{p}}^{\rm{6}}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313241 Which of the following is affected by stable configuration of an atom?
(i) Electronegativity
(ii) Ionisation potential
(iii) Electron affinity
Correct answer is

1 Only electronegativity
2 Only ionisation potential
3 Electron affinity and ionisation potential
4 All of the above
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313190 Which one of the following statements is incorrect?

1 Greater the nuclear charge, greater is the electron affinity
2 Chlorine has highest electron affinity
3 Nitrogen has zero electron affinity
4 Electron affinity decreases from fluorine to iodine in 17th group
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313284 Which of the following is the correct order of size of given species?

1 \({\rm{H > }}{{\rm{H}}^{\rm{ - }}}{\rm{ > }}{{\rm{H}}^{\rm{ + }}}\)
2 \({{\rm{H}}^{\rm{ + }}}{\rm{ > }}{{\rm{H}}^{\rm{ - }}}{\rm{ > H}}\)
3 \({\rm{H > }}{{\rm{H}}^{\rm{ + }}}{\rm{ > }}{{\rm{H}}^{\rm{ - }}}\)
4 \({{\rm{H}}^{\rm{ - }}}{\rm{ > H > }}{{\rm{H}}^{\rm{ + }}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313285 The ionic radius of Cr is minimum in which or the following compounds?

1 \({\rm{Cr}}{{\rm{F}}_{\rm{3}}}\)
2 \({\rm{CrC}}{{\rm{l}}_{\rm{3}}}\)
3 \({\rm{C}}{{\rm{r}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\)
4 \({{\rm{K}}_{\rm{2}}}{\rm{Cr}}{{\rm{O}}_{\rm{4}}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313240 Electronic configuration of most electronegative element is

1 \({\rm{1}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{p}}^{\rm{5}}}\)
2 \({\rm{1}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{p}}^{\rm{6}}}{\rm{3}}{{\rm{s}}^{\rm{1}}}\)
3 \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{s}}^{\rm{2}}}{\rm{2}}{{\rm{p}}^{\rm{6}}}\,{\rm{3}}{{\rm{s}}^{\rm{2}}}\,{\rm{3}}{{\rm{p}}^{\rm{5}}}\)
4 \({\rm{1}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{p}}^{\rm{6}}}\,{\rm{3}}{{\rm{s}}^{\rm{2}}}\,{\rm{3}}{{\rm{p}}^{\rm{6}}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313241 Which of the following is affected by stable configuration of an atom?
(i) Electronegativity
(ii) Ionisation potential
(iii) Electron affinity
Correct answer is

1 Only electronegativity
2 Only ionisation potential
3 Electron affinity and ionisation potential
4 All of the above
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313190 Which one of the following statements is incorrect?

1 Greater the nuclear charge, greater is the electron affinity
2 Chlorine has highest electron affinity
3 Nitrogen has zero electron affinity
4 Electron affinity decreases from fluorine to iodine in 17th group
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313284 Which of the following is the correct order of size of given species?

1 \({\rm{H > }}{{\rm{H}}^{\rm{ - }}}{\rm{ > }}{{\rm{H}}^{\rm{ + }}}\)
2 \({{\rm{H}}^{\rm{ + }}}{\rm{ > }}{{\rm{H}}^{\rm{ - }}}{\rm{ > H}}\)
3 \({\rm{H > }}{{\rm{H}}^{\rm{ + }}}{\rm{ > }}{{\rm{H}}^{\rm{ - }}}\)
4 \({{\rm{H}}^{\rm{ - }}}{\rm{ > H > }}{{\rm{H}}^{\rm{ + }}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313285 The ionic radius of Cr is minimum in which or the following compounds?

1 \({\rm{Cr}}{{\rm{F}}_{\rm{3}}}\)
2 \({\rm{CrC}}{{\rm{l}}_{\rm{3}}}\)
3 \({\rm{C}}{{\rm{r}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\)
4 \({{\rm{K}}_{\rm{2}}}{\rm{Cr}}{{\rm{O}}_{\rm{4}}}\)