Question
The C-H bond distance is longest in(a) $\mathrm{C}_{2} \mathrm{H}_{2}$(b) $\mathrm{C}_{2} \mathrm{H}_{4}$(c) $\mathrm{C}_{2} \mathrm{H}_{6}$(d) $\mathrm{C}_{2} \mathrm{H}_{2} \mathrm{Br}_{2}$
Step 1
In the case of C-H bonds, the bond length is determined by the hybridization of the carbon atom. Show more…
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The length of a covalent bond varies depending on the type of bond formed. Triple bonds are generally shorter than double bonds, and double bonds are generally shorter than single bonds. Predict how the lengths of the $C-C$ bond in the following molecules compare. a. $C_{2} \mathrm{H}_{6}$ b. $C_{2} \mathrm{H}_{4}$ c. $C_{2} \mathrm{H}_{2}$
The C-C bond length of the following molecules are in the order (a) $\mathrm{C}_{2} \mathrm{H}_{6}>\mathrm{C}_{2} \mathrm{H}_{4}>\mathrm{C}_{6} \mathrm{H}_{6}>\mathrm{C}_{2} \mathrm{H}_{2}$ (b) $\mathrm{C}_{2} \mathrm{H}_{2}>\mathrm{C}_{2} \mathrm{H}_{4}>\mathrm{C}_{6} \mathrm{H}_{6}>\mathrm{C}_{2} \mathrm{H}_{6}$ (c) $\mathrm{C}_{2} \mathrm{H}_{6}>\mathrm{C}_{2} \mathrm{H}_{2}>\mathrm{C}_{6} \mathrm{H}_{6}>\mathrm{C}_{2} \mathrm{H}_{4}$ (d) $\mathrm{C}_{2} \mathrm{H}_{4}>\mathrm{C}_{2} \mathrm{H}_{6}>\mathrm{C}_{2} \mathrm{H}_{2}>\mathrm{C}_{6} \mathrm{H}_{6}$
The $\mathrm{C}-\mathrm{C}$ bond length of the following molecules are in the order (a) $\mathrm{C}_{2} \mathrm{H}_{6}>\mathrm{C}_{2} \mathrm{H}_{4}>\mathrm{C}_{6} \mathrm{H}_{6}>\mathrm{C}_{2} \mathrm{H}_{2}$ (b) $\mathrm{C}_{2} \mathrm{H}_{2}<\mathrm{C}_{2} \mathrm{H}_{4}<\mathrm{C}_{6}{ }^{0} \mathrm{H}_{6}<\mathrm{C}_{2} \mathrm{H}_{6}^{2}$ (c) $\mathrm{C}_{2} \mathrm{H}_{6}>\mathrm{C}_{2} \mathrm{H}_{2}>\mathrm{C}_{6} \mathrm{H}_{6}>\mathrm{C}_{2} \mathrm{H}_{4}$ (d) $\mathrm{C}_{2} \mathrm{H}_{4}>\mathrm{C}_{2} \mathrm{H}_{6}>\mathrm{C}_{2}^{\circ} \mathrm{H}_{2}>\mathrm{C}_{6}^{2} \mathrm{H}_{6}$
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