03. CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES[KARNATAKA CET EXCLUSIVE]
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CHEMISTRY(KCET)

285247 For the properties mentioned, the correct trend for the different species is in

1 strength as Lewis acid\(-\mathrm{BCl}_3>\mathrm{AlCl}_3>\mathrm{GaCl}_3\)
2 inert pair effect -\(\mathrm{Al}>\mathrm{Ga}>\mathrm{In}\)
3 oxidising property\(-\mathrm{Al}^{3+}>\mathrm{In}^{3+}>\mathrm{Tl}^{3+}\)
4 first ionization enthalpy\(-\mathrm{B}>\mathrm{Al}>\mathrm{Tl}\)
Karnataka CET 2014
CHEMISTRY(KCET)

285236 The correct order of first ionisation enthalpy of given elements is

1 \(\mathrm{Li}<\mathrm{B}<\mathrm{Be}<\mathrm{C}\)
2 \(\mathrm{Be}<\mathrm{Li}<\mathrm{B}<\mathrm{C}\)
3 \(\mathrm{C}<\mathrm{B}<\mathrm{Be}<\mathrm{Li}\)
4 \(\mathrm{Li}<\mathrm{Be}<\mathrm{B}<\mathrm{C}\)
Karnataka CET 2023
CHEMISTRY(KCET)

285237 The property of halogens which is not correctly matched is

1 I\(>\mathrm{Br}>\mathrm{Cl}>\mathrm{F}\) (density)
2 \(\mathrm{F}>\mathrm{Cl}>\mathrm{Br}>\mathrm{I}\) (electron gain enthalpy)
3 \(\mathrm{F}>\mathrm{Cl}>\mathrm{Br}>\mathrm{I}\) (ionisation enthalpy)
4 \(\mathrm{F}>\mathrm{Cl}>\mathrm{Br}>\) I (electronegativity)
Karnataka CET 2022
CHEMISTRY(KCET)

285238 Elements\(X, Y\) and \(Z\) have atomic numbers 19,37 and 55 respectively. Which of the following statements is true about them?

1 \(Z\) would have the highest ionization potential.
2 \(Y\) would have the highest ionization potential.
3 Their ionization potential would increase with increasing atomic number.
4 \(Y\) would have an ionization potential between those of \(X\) and \(Z\).
Karnataka CET 2022
CHEMISTRY(KCET)

285239 Amphoteric oxide among the following

1 BeO
2 \(\mathrm{Ag}_2 \mathrm{O}\)
3 \(\mathrm{SnO}_2\)
4 \(\mathrm{CO}_2\)
Karnataka CET 2022
NEET DIGITAL LIBRARY
CHEMISTRY(KCET)

285247 For the properties mentioned, the correct trend for the different species is in

1 strength as Lewis acid\(-\mathrm{BCl}_3>\mathrm{AlCl}_3>\mathrm{GaCl}_3\)
2 inert pair effect -\(\mathrm{Al}>\mathrm{Ga}>\mathrm{In}\)
3 oxidising property\(-\mathrm{Al}^{3+}>\mathrm{In}^{3+}>\mathrm{Tl}^{3+}\)
4 first ionization enthalpy\(-\mathrm{B}>\mathrm{Al}>\mathrm{Tl}\)
Karnataka CET 2014
CHEMISTRY(KCET)

285236 The correct order of first ionisation enthalpy of given elements is

1 \(\mathrm{Li}<\mathrm{B}<\mathrm{Be}<\mathrm{C}\)
2 \(\mathrm{Be}<\mathrm{Li}<\mathrm{B}<\mathrm{C}\)
3 \(\mathrm{C}<\mathrm{B}<\mathrm{Be}<\mathrm{Li}\)
4 \(\mathrm{Li}<\mathrm{Be}<\mathrm{B}<\mathrm{C}\)
Karnataka CET 2023
CHEMISTRY(KCET)

285237 The property of halogens which is not correctly matched is

1 I\(>\mathrm{Br}>\mathrm{Cl}>\mathrm{F}\) (density)
2 \(\mathrm{F}>\mathrm{Cl}>\mathrm{Br}>\mathrm{I}\) (electron gain enthalpy)
3 \(\mathrm{F}>\mathrm{Cl}>\mathrm{Br}>\mathrm{I}\) (ionisation enthalpy)
4 \(\mathrm{F}>\mathrm{Cl}>\mathrm{Br}>\) I (electronegativity)
Karnataka CET 2022
CHEMISTRY(KCET)

285238 Elements\(X, Y\) and \(Z\) have atomic numbers 19,37 and 55 respectively. Which of the following statements is true about them?

1 \(Z\) would have the highest ionization potential.
2 \(Y\) would have the highest ionization potential.
3 Their ionization potential would increase with increasing atomic number.
4 \(Y\) would have an ionization potential between those of \(X\) and \(Z\).
Karnataka CET 2022
CHEMISTRY(KCET)

285239 Amphoteric oxide among the following

1 BeO
2 \(\mathrm{Ag}_2 \mathrm{O}\)
3 \(\mathrm{SnO}_2\)
4 \(\mathrm{CO}_2\)
Karnataka CET 2022
Join With Us for More Updates
CHEMISTRY(KCET)

285247 For the properties mentioned, the correct trend for the different species is in

1 strength as Lewis acid\(-\mathrm{BCl}_3>\mathrm{AlCl}_3>\mathrm{GaCl}_3\)
2 inert pair effect -\(\mathrm{Al}>\mathrm{Ga}>\mathrm{In}\)
3 oxidising property\(-\mathrm{Al}^{3+}>\mathrm{In}^{3+}>\mathrm{Tl}^{3+}\)
4 first ionization enthalpy\(-\mathrm{B}>\mathrm{Al}>\mathrm{Tl}\)
Karnataka CET 2014
CHEMISTRY(KCET)

285236 The correct order of first ionisation enthalpy of given elements is

1 \(\mathrm{Li}<\mathrm{B}<\mathrm{Be}<\mathrm{C}\)
2 \(\mathrm{Be}<\mathrm{Li}<\mathrm{B}<\mathrm{C}\)
3 \(\mathrm{C}<\mathrm{B}<\mathrm{Be}<\mathrm{Li}\)
4 \(\mathrm{Li}<\mathrm{Be}<\mathrm{B}<\mathrm{C}\)
Karnataka CET 2023
CHEMISTRY(KCET)

285237 The property of halogens which is not correctly matched is

1 I\(>\mathrm{Br}>\mathrm{Cl}>\mathrm{F}\) (density)
2 \(\mathrm{F}>\mathrm{Cl}>\mathrm{Br}>\mathrm{I}\) (electron gain enthalpy)
3 \(\mathrm{F}>\mathrm{Cl}>\mathrm{Br}>\mathrm{I}\) (ionisation enthalpy)
4 \(\mathrm{F}>\mathrm{Cl}>\mathrm{Br}>\) I (electronegativity)
Karnataka CET 2022
CHEMISTRY(KCET)

285238 Elements\(X, Y\) and \(Z\) have atomic numbers 19,37 and 55 respectively. Which of the following statements is true about them?

1 \(Z\) would have the highest ionization potential.
2 \(Y\) would have the highest ionization potential.
3 Their ionization potential would increase with increasing atomic number.
4 \(Y\) would have an ionization potential between those of \(X\) and \(Z\).
Karnataka CET 2022
CHEMISTRY(KCET)

285239 Amphoteric oxide among the following

1 BeO
2 \(\mathrm{Ag}_2 \mathrm{O}\)
3 \(\mathrm{SnO}_2\)
4 \(\mathrm{CO}_2\)
Karnataka CET 2022
For More Updates join with Us
CHEMISTRY(KCET)

285247 For the properties mentioned, the correct trend for the different species is in

1 strength as Lewis acid\(-\mathrm{BCl}_3>\mathrm{AlCl}_3>\mathrm{GaCl}_3\)
2 inert pair effect -\(\mathrm{Al}>\mathrm{Ga}>\mathrm{In}\)
3 oxidising property\(-\mathrm{Al}^{3+}>\mathrm{In}^{3+}>\mathrm{Tl}^{3+}\)
4 first ionization enthalpy\(-\mathrm{B}>\mathrm{Al}>\mathrm{Tl}\)
Karnataka CET 2014
CHEMISTRY(KCET)

285236 The correct order of first ionisation enthalpy of given elements is

1 \(\mathrm{Li}<\mathrm{B}<\mathrm{Be}<\mathrm{C}\)
2 \(\mathrm{Be}<\mathrm{Li}<\mathrm{B}<\mathrm{C}\)
3 \(\mathrm{C}<\mathrm{B}<\mathrm{Be}<\mathrm{Li}\)
4 \(\mathrm{Li}<\mathrm{Be}<\mathrm{B}<\mathrm{C}\)
Karnataka CET 2023
CHEMISTRY(KCET)

285237 The property of halogens which is not correctly matched is

1 I\(>\mathrm{Br}>\mathrm{Cl}>\mathrm{F}\) (density)
2 \(\mathrm{F}>\mathrm{Cl}>\mathrm{Br}>\mathrm{I}\) (electron gain enthalpy)
3 \(\mathrm{F}>\mathrm{Cl}>\mathrm{Br}>\mathrm{I}\) (ionisation enthalpy)
4 \(\mathrm{F}>\mathrm{Cl}>\mathrm{Br}>\) I (electronegativity)
Karnataka CET 2022
CHEMISTRY(KCET)

285238 Elements\(X, Y\) and \(Z\) have atomic numbers 19,37 and 55 respectively. Which of the following statements is true about them?

1 \(Z\) would have the highest ionization potential.
2 \(Y\) would have the highest ionization potential.
3 Their ionization potential would increase with increasing atomic number.
4 \(Y\) would have an ionization potential between those of \(X\) and \(Z\).
Karnataka CET 2022
CHEMISTRY(KCET)

285239 Amphoteric oxide among the following

1 BeO
2 \(\mathrm{Ag}_2 \mathrm{O}\)
3 \(\mathrm{SnO}_2\)
4 \(\mathrm{CO}_2\)
Karnataka CET 2022
NEET DIGITAL LIBRARY
CHEMISTRY(KCET)

285247 For the properties mentioned, the correct trend for the different species is in

1 strength as Lewis acid\(-\mathrm{BCl}_3>\mathrm{AlCl}_3>\mathrm{GaCl}_3\)
2 inert pair effect -\(\mathrm{Al}>\mathrm{Ga}>\mathrm{In}\)
3 oxidising property\(-\mathrm{Al}^{3+}>\mathrm{In}^{3+}>\mathrm{Tl}^{3+}\)
4 first ionization enthalpy\(-\mathrm{B}>\mathrm{Al}>\mathrm{Tl}\)
Karnataka CET 2014
CHEMISTRY(KCET)

285236 The correct order of first ionisation enthalpy of given elements is

1 \(\mathrm{Li}<\mathrm{B}<\mathrm{Be}<\mathrm{C}\)
2 \(\mathrm{Be}<\mathrm{Li}<\mathrm{B}<\mathrm{C}\)
3 \(\mathrm{C}<\mathrm{B}<\mathrm{Be}<\mathrm{Li}\)
4 \(\mathrm{Li}<\mathrm{Be}<\mathrm{B}<\mathrm{C}\)
Karnataka CET 2023
CHEMISTRY(KCET)

285237 The property of halogens which is not correctly matched is

1 I\(>\mathrm{Br}>\mathrm{Cl}>\mathrm{F}\) (density)
2 \(\mathrm{F}>\mathrm{Cl}>\mathrm{Br}>\mathrm{I}\) (electron gain enthalpy)
3 \(\mathrm{F}>\mathrm{Cl}>\mathrm{Br}>\mathrm{I}\) (ionisation enthalpy)
4 \(\mathrm{F}>\mathrm{Cl}>\mathrm{Br}>\) I (electronegativity)
Karnataka CET 2022
CHEMISTRY(KCET)

285238 Elements\(X, Y\) and \(Z\) have atomic numbers 19,37 and 55 respectively. Which of the following statements is true about them?

1 \(Z\) would have the highest ionization potential.
2 \(Y\) would have the highest ionization potential.
3 Their ionization potential would increase with increasing atomic number.
4 \(Y\) would have an ionization potential between those of \(X\) and \(Z\).
Karnataka CET 2022
CHEMISTRY(KCET)

285239 Amphoteric oxide among the following

1 BeO
2 \(\mathrm{Ag}_2 \mathrm{O}\)
3 \(\mathrm{SnO}_2\)
4 \(\mathrm{CO}_2\)
Karnataka CET 2022