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Q. No.The basic difference between the electron gain enthalpy (Ea) and electronegativity (EN) is:
| 1. | Ea is the tendency to lose electrons, while EN is the tendency to repel the shared pairs of electrons. |
| 2. | Ea is the tendency to gain neutrons, while EN is the tendency to attract the shared pairs of electrons. |
| 3. | Ea is the tendency to donate electrons, while EN is the tendency to attract the shared pairs of molecules. |
| 4. | Ea is the tendency to gain electrons, while EN is the tendency to attract the shared pairs of electrons. |
Subtopic: Â Electronegativity |Â Electron Affinity (EA) |
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The statement that "the electronegativity of N on the Pauling scale is 3.0 in all the nitrogen compounds" is incorrect because:
| 1. | Electronegativity of an element is a variable property. |
| 2. | Pauling scale is not used to measure electronegativity. |
| 3. | The electronegativity of N on the Pauling scale is 12.0 |
| 4. | None of the above. |
Subtopic: Â Electronegativity |
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Level 2: 60%+
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Allred Rochow's scale is related to:
1. Electronegativity, radius, and Z*
2. Resonance energy of the molecule, ionisation potential and electron affinity.
3. Bond Polarity, diagonal relationship and periodicity.
4. None of the above.
Subtopic: Â Electronegativity |
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Level 2: 60%+
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Which of the given pairs shows the first element having higher electronegativity than the second?
| 1. | Al and B | 2. | Be and Li |
| 3. | Cl and O | 4. | Si and N |
Subtopic: Â Electronegativity |
 67%
Level 2: 60%+
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Given below are two statements:
| Statement I: | The electronegativity of any given element is not constant. |
| Statement II: | Electronegativity varies depending on the element to which it is bound. |
| 1. | Statement l is incorrect but Statement ll is correct. |
| 2. | Both Statements l and ll are correct. |
| 3. | Both Statements l and ll are incorrect. |
| 4. | Statement l is correct but Statement ll is incorrect. |
Subtopic: Â Electronegativity |
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Level 2: 60%+
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