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प्रश्न
Predict the shape and bond angles in the following molecule:
NF3
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उत्तर
There are three bond pairs and one lone pair on the central atom. Hence, the shape of NF3 is trigonal pyramidal, and the F–N–F bond angle is less than 109°28′.
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| Examples | C2H6 Ethane | C2H4 Ethene | C2H2 Ethyne |
| Structure |
\[\begin{array}{cc} \backslash \phantom{......}/\phantom{.}\\ \ce{—C – C —}\\ /\phantom{......}\backslash\phantom{.}\end{array}\] |
\[\begin{array}{cc} \backslash \phantom{......}/\\ \ce{C \text{=} C}\\ /\phantom{......}\backslash\end{array}\] |
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| Bond Enthalpy kJ mol-1 | 348 | 612 | 837 |
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