IB Chemistry SL 2.2.2 Bond Types and Strength Question Bank

Practise IB Chemistry SL 2.2.2 by identifying single, double and triple covalent bonds and linking shared electron pairs to shorter lengths and stronger bonds.

Exam points

rank related bonds by bond order, predicting shorter and stronger bonds as order rises
use data-booklet bond lengths to justify a predicted or intermediate measured value
connect bond strength with the energy or wavelength required to break the bond

[Maximum number: 1]

Ethyne, $\mathrm{C}_{2} \mathrm{H}_{2}$ , reacts with oxygen in welding torches.

Compare, giving a reason, the length of the bond between the carbon atoms in ethyne with that in ethane, $\mathrm{C}_{2} \mathrm{H}_{6}$ .

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2.2.2—Bond types and strength question 1