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Explain why:(1) Nitrogen does not form pentahalides.(2) Helium is used for filling weather balloons.(3) ICI is more reactive than I2 |
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Answer» (1) Nitrogen does not form pentahalides because it has no vacant d-orbitals in its valence shell. (2) This is because it is lighter than air. (3) This is because ICl is polar and has lower bond energy than I2 (non-polar) |
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