Q. No.Which of the following is the correct order with respect to the property indicated against it ?
(1) B > S > P > F (Ionization energy)
(2) \(K_2O > Na_2O >MgO > Al_2O_3\) (Basic nature)
(3) K > Na > Al > Mg (Metallic character)
(4) Cl > F > S > P (EA)
Choose the correct option:
1. 1, 2, 3 are correct
2. 2 and 4 are correct
3. 1, 2, 4 are correct
4. 1 and 3 are correct
(1) B > S > P > F (Ionization energy)
(2) \(K_2O > Na_2O >MgO > Al_2O_3\) (Basic nature)
(3) K > Na > Al > Mg (Metallic character)
(4) Cl > F > S > P (EA)
Choose the correct option:
1. 1, 2, 3 are correct
2. 2 and 4 are correct
3. 1, 2, 4 are correct
4. 1 and 3 are correct
Subtopic: Electron Affinity (EA) | Nature of Compound |
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Level 1: 80%+
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Hints
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) |
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Which of the following will have positive electron gain enthalpy?
(A) \( \mathrm{Na}+\mathrm{e}^{\ominus} \rightarrow \mathrm{Na} ^\ominus \)
(B) \(\mathrm{O}+2 \mathrm{e}^{\ominus} \rightarrow \mathrm{O}^{2 \ominus }\)
(C) \(\mathrm{Be}+\mathrm{e}^{\ominus} \rightarrow \mathrm{Be}^ \ominus \)
(D) \( \mathrm{F}+\mathrm{e}^{\ominus} \rightarrow \mathrm{F} ^\ominus \)
(E) \(\mathrm{N}+\mathrm{e}^{\ominus} \rightarrow \mathrm{N} ^\ominus\)
1. B, C, and E
2. A, B, and E
3. A, C, and D
4. A, B, and C
(A) \( \mathrm{Na}+\mathrm{e}^{\ominus} \rightarrow \mathrm{Na} ^\ominus \)
(B) \(\mathrm{O}+2 \mathrm{e}^{\ominus} \rightarrow \mathrm{O}^{2 \ominus }\)
(C) \(\mathrm{Be}+\mathrm{e}^{\ominus} \rightarrow \mathrm{Be}^ \ominus \)
(D) \( \mathrm{F}+\mathrm{e}^{\ominus} \rightarrow \mathrm{F} ^\ominus \)
(E) \(\mathrm{N}+\mathrm{e}^{\ominus} \rightarrow \mathrm{N} ^\ominus\)
1. B, C, and E
2. A, B, and E
3. A, C, and D
4. A, B, and C
Subtopic: Electron Affinity (EA) |
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Level 2: 60%+
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Which one of the following has the most negative electron gain enthalpy?
1. \(\mathrm{Li}\)
2. \(\mathrm{Na}\)
3. \(\mathrm{F}\)
4. \(\mathrm{\mathrm{Cl}}\)
1. \(\mathrm{Li}\)
2. \(\mathrm{Na}\)
3. \(\mathrm{F}\)
4. \(\mathrm{\mathrm{Cl}}\)
Subtopic: Electron Affinity (EA) |
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Level 1: 80%+
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Arrange the following elements in decreasing order of their electron gain enthalpy (magnitude only):
- Sulfur → A
- Bromine → B
- Fluorine → C
- Argon → D
| 1. | A>B>C>D | 2. | D>C>B>A |
| 3. | C>B>A>D | 4. | A>B>D>C |
Subtopic: Electron Affinity (EA) |
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Level 2: 60%+
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Select the correct order of magnitudes of the first electron gain enthalpy from the options provided:
1. Cl < F
2. O < S
3. Te < O
4. S < Se
1. Cl < F
2. O < S
3. Te < O
4. S < Se
Subtopic: Electron Affinity (EA) |
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Level 2: 60%+
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The correct order of electron gain enthalpy for the given elements F, Cl, Te and Po is:
1. F < Cl < Te < Po
2. F > Cl > Te > Po
3. Cl < F < Po < Te
4. Cl >F > Te > Po
1. F < Cl < Te < Po
2. F > Cl > Te > Po
3. Cl < F < Po < Te
4. Cl >F > Te > Po
Subtopic: Electron Affinity (EA) |
74%
Level 2: 60%+
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Find the pair of elements whose electron gain enthalpy values are nearly equal.
A. Rb and Cs
B. Na and K
C. Ar and Kr
D. I and At
Choose the correct answer from the options given below:
1. (A) and (B) only
2. (B) and (C) only
3. (A) and (C) only
4. (C) and (D) only
A. Rb and Cs
B. Na and K
C. Ar and Kr
D. I and At
Choose the correct answer from the options given below:
1. (A) and (B) only
2. (B) and (C) only
3. (A) and (C) only
4. (C) and (D) only
Subtopic: Electron Affinity (EA) |
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Level 2: 60%+
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The correct order of electron gain enthalpy is:
1. S > Se > Te > O
2. Te > Se > S > O
3. O > S > Se > Te
4. S > O > Se > Te
Subtopic: Electron Affinity (EA) |
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Level 2: 60%+
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Within each pair of elements, F & Cl, S & Se, and Li & Na, respectively, the elements that release more energy upon electron gain are:
1. Cl, Se and Na
2. F, Se and Na
3. Cl, S and Li
4. F, S and Li
1. Cl, Se and Na
2. F, Se and Na
3. Cl, S and Li
4. F, S and Li
Subtopic: Electron Affinity (EA) |
64%
Level 2: 60%+
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