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प्रश्न
Which one of the following does not exist?
विकल्प
XeOF4
NeF2
XeF2
XeF6
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उत्तर
NeF2
Explanation:
NeF2 does not exist. This is because the sum of first and second ionisation enthalpies of Ne are much higher than those of Xe. Consequently, F2 can oxidise Xe to Xe2+ but cannot oxidise Ne to Ne2+.
संबंधित प्रश्न
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On partial hydrolysis, XeF6 gives ______.
Match List - I with List - II:
| List - I | List - II | ||
| (Species) | (Number of lone pairs of electrons on the central atom) |
||
| (A) | XeF2 | (i) | 0 |
| (B) | XeO2F2 | (ii) | 1 |
| (C) | XeO3F2 | (iii) | 2 |
| (D) | XeF4 | (iv) | 3 |
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