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

313392 X, Y, and Z are Mulliken electronegativity, ionization potential and electron-affinity, respectively, then the electron affinity \((\mathrm{z})\) in the terms of electronegativity ( x ) and ionization potential (y) will be

1 \({\rm{z}} = \frac{{{\rm{x}} + {\rm{y}}}}{2}\)
2 \({\rm{z}} = \frac{{{\rm{x}} - {\rm{y}}}}{2}\)
3 \({\rm{z}} = \frac{{{{\rm{x}}^2} - {{\rm{y}}^2}}}{2}\)
4 \({\rm{z}} = 2{\rm{ x}} - {\rm{y}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313393 Consider the following statements
I. The radius of an anion is larger than that of the parent atom.
II. The ionization energy generally increases with increasing atomic number in a period.
III. The electronegativity of elements increases on moving down across a group.
Which of the above statements is/are correct?

1 I alone
2 II alone
3 I and II
4 II and III
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313394 Which of the following is incorrect statement?

1 The first ionisation potential of Al is less than the first ionisation potential of Mg
2 Radius of hydrated \({\rm{L}}{{\rm{i}}^{\rm{ + }}}\) is more than that of hydrated \({\rm{C}}{{\rm{s}}^{\rm{ + }}}\)
3 The formation of \({{\rm{S}}^{{\rm{2 - }}}}\) is an endothermic process
4 None of these
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313395 Which of the following is correct option?
(P) Same number of electrons in d-subshell \((\mathrm{Mn}, \mathrm{Cr}\) )
(Q) Same value of \({{\rm{Z}}_{{\rm{eff }}}}\left( {{\rm{L}}{{\rm{i}}^{\rm{ + }}}\,{\rm{and}}\,\,{{\rm{B}}^{\rm{ + }}}} \right)\)
(R) Same value of shielding constant, \({\text{(}}\,{\text{L}}{{\text{i}}^ + }\,\,{\text{and}}\,\,{\text{B}}{{\text{e}}^{{\text{2 + }}}})\)
(S) Same value of electronegativity ( P and H )
(T) Same value of electron affinity ( F and Cl )

1 (P) (R) and (T)
2 (R), (S) and (T)
3 (P), (R) and (S)
4 All are correct statements
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313392 X, Y, and Z are Mulliken electronegativity, ionization potential and electron-affinity, respectively, then the electron affinity \((\mathrm{z})\) in the terms of electronegativity ( x ) and ionization potential (y) will be

1 \({\rm{z}} = \frac{{{\rm{x}} + {\rm{y}}}}{2}\)
2 \({\rm{z}} = \frac{{{\rm{x}} - {\rm{y}}}}{2}\)
3 \({\rm{z}} = \frac{{{{\rm{x}}^2} - {{\rm{y}}^2}}}{2}\)
4 \({\rm{z}} = 2{\rm{ x}} - {\rm{y}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313393 Consider the following statements
I. The radius of an anion is larger than that of the parent atom.
II. The ionization energy generally increases with increasing atomic number in a period.
III. The electronegativity of elements increases on moving down across a group.
Which of the above statements is/are correct?

1 I alone
2 II alone
3 I and II
4 II and III
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313394 Which of the following is incorrect statement?

1 The first ionisation potential of Al is less than the first ionisation potential of Mg
2 Radius of hydrated \({\rm{L}}{{\rm{i}}^{\rm{ + }}}\) is more than that of hydrated \({\rm{C}}{{\rm{s}}^{\rm{ + }}}\)
3 The formation of \({{\rm{S}}^{{\rm{2 - }}}}\) is an endothermic process
4 None of these
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313395 Which of the following is correct option?
(P) Same number of electrons in d-subshell \((\mathrm{Mn}, \mathrm{Cr}\) )
(Q) Same value of \({{\rm{Z}}_{{\rm{eff }}}}\left( {{\rm{L}}{{\rm{i}}^{\rm{ + }}}\,{\rm{and}}\,\,{{\rm{B}}^{\rm{ + }}}} \right)\)
(R) Same value of shielding constant, \({\text{(}}\,{\text{L}}{{\text{i}}^ + }\,\,{\text{and}}\,\,{\text{B}}{{\text{e}}^{{\text{2 + }}}})\)
(S) Same value of electronegativity ( P and H )
(T) Same value of electron affinity ( F and Cl )

1 (P) (R) and (T)
2 (R), (S) and (T)
3 (P), (R) and (S)
4 All are correct statements
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313392 X, Y, and Z are Mulliken electronegativity, ionization potential and electron-affinity, respectively, then the electron affinity \((\mathrm{z})\) in the terms of electronegativity ( x ) and ionization potential (y) will be

1 \({\rm{z}} = \frac{{{\rm{x}} + {\rm{y}}}}{2}\)
2 \({\rm{z}} = \frac{{{\rm{x}} - {\rm{y}}}}{2}\)
3 \({\rm{z}} = \frac{{{{\rm{x}}^2} - {{\rm{y}}^2}}}{2}\)
4 \({\rm{z}} = 2{\rm{ x}} - {\rm{y}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313393 Consider the following statements
I. The radius of an anion is larger than that of the parent atom.
II. The ionization energy generally increases with increasing atomic number in a period.
III. The electronegativity of elements increases on moving down across a group.
Which of the above statements is/are correct?

1 I alone
2 II alone
3 I and II
4 II and III
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313394 Which of the following is incorrect statement?

1 The first ionisation potential of Al is less than the first ionisation potential of Mg
2 Radius of hydrated \({\rm{L}}{{\rm{i}}^{\rm{ + }}}\) is more than that of hydrated \({\rm{C}}{{\rm{s}}^{\rm{ + }}}\)
3 The formation of \({{\rm{S}}^{{\rm{2 - }}}}\) is an endothermic process
4 None of these
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313395 Which of the following is correct option?
(P) Same number of electrons in d-subshell \((\mathrm{Mn}, \mathrm{Cr}\) )
(Q) Same value of \({{\rm{Z}}_{{\rm{eff }}}}\left( {{\rm{L}}{{\rm{i}}^{\rm{ + }}}\,{\rm{and}}\,\,{{\rm{B}}^{\rm{ + }}}} \right)\)
(R) Same value of shielding constant, \({\text{(}}\,{\text{L}}{{\text{i}}^ + }\,\,{\text{and}}\,\,{\text{B}}{{\text{e}}^{{\text{2 + }}}})\)
(S) Same value of electronegativity ( P and H )
(T) Same value of electron affinity ( F and Cl )

1 (P) (R) and (T)
2 (R), (S) and (T)
3 (P), (R) and (S)
4 All are correct statements
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313392 X, Y, and Z are Mulliken electronegativity, ionization potential and electron-affinity, respectively, then the electron affinity \((\mathrm{z})\) in the terms of electronegativity ( x ) and ionization potential (y) will be

1 \({\rm{z}} = \frac{{{\rm{x}} + {\rm{y}}}}{2}\)
2 \({\rm{z}} = \frac{{{\rm{x}} - {\rm{y}}}}{2}\)
3 \({\rm{z}} = \frac{{{{\rm{x}}^2} - {{\rm{y}}^2}}}{2}\)
4 \({\rm{z}} = 2{\rm{ x}} - {\rm{y}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313393 Consider the following statements
I. The radius of an anion is larger than that of the parent atom.
II. The ionization energy generally increases with increasing atomic number in a period.
III. The electronegativity of elements increases on moving down across a group.
Which of the above statements is/are correct?

1 I alone
2 II alone
3 I and II
4 II and III
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313394 Which of the following is incorrect statement?

1 The first ionisation potential of Al is less than the first ionisation potential of Mg
2 Radius of hydrated \({\rm{L}}{{\rm{i}}^{\rm{ + }}}\) is more than that of hydrated \({\rm{C}}{{\rm{s}}^{\rm{ + }}}\)
3 The formation of \({{\rm{S}}^{{\rm{2 - }}}}\) is an endothermic process
4 None of these
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313395 Which of the following is correct option?
(P) Same number of electrons in d-subshell \((\mathrm{Mn}, \mathrm{Cr}\) )
(Q) Same value of \({{\rm{Z}}_{{\rm{eff }}}}\left( {{\rm{L}}{{\rm{i}}^{\rm{ + }}}\,{\rm{and}}\,\,{{\rm{B}}^{\rm{ + }}}} \right)\)
(R) Same value of shielding constant, \({\text{(}}\,{\text{L}}{{\text{i}}^ + }\,\,{\text{and}}\,\,{\text{B}}{{\text{e}}^{{\text{2 + }}}})\)
(S) Same value of electronegativity ( P and H )
(T) Same value of electron affinity ( F and Cl )

1 (P) (R) and (T)
2 (R), (S) and (T)
3 (P), (R) and (S)
4 All are correct statements
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