Q. No.What is the correct order of 2nd ionisation energy among the following?
1. O < C < N < F
2. C < N < O < F
3. C < N < F < O
4. C < O < N < F
1. O < C < N < F
2. C < N < O < F
3. C < N < F < O
4. C < O < N < F
Subtopic: Ionization Energy (IE) |
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Level 2: 60%+
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Given below are two statements:
1. Statement-I is correct and Statement-II is incorrect.
2. Statement-I and Statement II both are correct.
3. Statement-I is incorrect while Statement-II is correct.
4. Both Statements are incorrect.
| Statement-I: | The correct order of ionization energy is F > N > O > C |
| Statement-II: | The correct order of electron gain enthalpy (magnitude only) for group 16 elements is S > Se > Te > O |
1. Statement-I is correct and Statement-II is incorrect.
2. Statement-I and Statement II both are correct.
3. Statement-I is incorrect while Statement-II is correct.
4. Both Statements are incorrect.
Subtopic: Ionization Energy (IE) | Electron Affinity (EA) |
85%
Level 1: 80%+
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Given below are two statements:
1. Statement I is correct and statement II is incorrect
2. Both statements I and II are correct
3. Statement I is incorrect and statement II is correct
4. Both statements I and II are incorrect
| Statement-I: | First ionization energy of Cr is lower than that of Mn. |
| Statement-II: | \(2^{nd}\) and \(3^{rd}\) ionization energy of Cr is higher than \(2^{nd}\) and \(3^{rd}\) ionization energy of Mn. |
1. Statement I is correct and statement II is incorrect
2. Both statements I and II are correct
3. Statement I is incorrect and statement II is correct
4. Both statements I and II are incorrect
Subtopic: Ionization Energy (IE) |
55%
Level 3: 35%-60%
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Four elements from second period Boron to Oxygen can have following \(IE_1\) values (in kJ \(mol^{–1}):\)
1086.5, 800.6, 1313.9, 1402.3
The value of \(IE_1\) for "Nitrogen" is:
1. 1086.5
2. 800.6
3. 1402.3
4. 1313.9
1086.5, 800.6, 1313.9, 1402.3
The value of \(IE_1\) for "Nitrogen" is:
1. 1086.5
2. 800.6
3. 1402.3
4. 1313.9
Subtopic: Ionization Energy (IE) |
87%
Level 1: 80%+
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Given below are two statements:
1. Both statements are correct.
2. Both statements are incorrect.
3. Statement I is correct while Statement II is incorrect.
4. Statement I is incorrect while statement II is correct.
| Statement-I : | Size of \(O^{2–}\) ion is smaller than \(F^– \) ion. |
| Statement-II : | Second ionization energy of Na is greater than second ionization energy of Mg. |
1. Both statements are correct.
2. Both statements are incorrect.
3. Statement I is correct while Statement II is incorrect.
4. Statement I is incorrect while statement II is correct.
Subtopic: Ionization Energy (IE) | Atomic Size |
81%
Level 1: 80%+
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The correct order of ionization energy of Cl, S, P, Al, and Si is :
1. Cl > P > S > Si > Al
2. Cl < P < S < Si < Al
3. P > Cl > S > Si > Al
4. S > P > Cl > Si >AI
1. Cl > P > S > Si > Al
2. Cl < P < S < Si < Al
3. P > Cl > S > Si > Al
4. S > P > Cl > Si >AI
Subtopic: Ionization Energy (IE) |
89%
Level 1: 80%+
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Match List-I with List-II
Choose the correct answer from the options given below :
1. A-IV, B-I, C-III, D-II
2. A-II, B-III, C-IV, D-I
3. A-IV, B-I, C-II, D-III
4. A-III, B-IV, C-II, D-I
| List-I | List-II | ||
| (A) | Al3+ < Mg2+ < Na+ < F– | (I) | Ionisation Enthalpy |
| (B) | B < C < O < N | (II) | Metallic character |
| (C) | B < Al < Mg < K | (III) | Electronegativity |
| (D) | Si < P < S < Cl | (IV) | Ionic radii |
1. A-IV, B-I, C-III, D-II
2. A-II, B-III, C-IV, D-I
3. A-IV, B-I, C-II, D-III
4. A-III, B-IV, C-II, D-I
Subtopic: Ionization Energy (IE) | Electronegativity | Atomic Size |
86%
Level 1: 80%+
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Given below are two statements:
| Statement I: | The first ionization energy of Pb is greater than that of Sn. |
| Statement II: | The first ionization energy of Ge is greater than that of Si. |
| 1. | Statement I is correct but Statement II is incorrect. |
| 2. | Both Statement I and Statement II are incorrect. |
| 3. | Both Statement I and Statement II are correct. |
| 4. | Statement I is incorrect but Statement II is correct. |
Subtopic: Ionization Energy (IE) |
55%
Level 3: 35%-60%
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Which of the following is the correct order of first ionization enthalpy?
1. Be < B < O < F < N
2. B < Be < O < N < F
3. B < Be < N < F < O
4. Be < B < N < O < F
1. Be < B < O < F < N
2. B < Be < O < N < F
3. B < Be < N < F < O
4. Be < B < N < O < F
Subtopic: Ionization Energy (IE) |
92%
Level 1: 80%+
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Arrange the following elements in increasing order of their first ionization enthalpy:
Aluminium (Al), Gallium (Ga), Indium (In), Thallium (Tl), and Boron (B).
Options:
1. Tl < In < Ga < Al < B2. In < Al < Ga < Tl < B
3. In < Ga < Al < B < Tl
4. B < Al < Ga < In < Tl
Subtopic: Ionization Energy (IE) |
67%
Level 2: 60%+
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