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Among the following compound, which compound is the strongest attraction between two atoms?
Which of the following best describes the shape of a p orbital?
The infrared spectrum was obtained from a compound and showed absorption bands at 3300 cm-1, 2950 cm-1 and 1700 cm-1. Which of the compounds could account for this spectrum?
The repeating unit of terylene is __________ and it contains __________ linkage.
What happens to the concentration of hydroxide ion if the pH decreases from 11.5 to 8.5 during a reaction?
When ethanal is reacted with hydrogen cyanide, __________ is produced.
What is the pH of a 0.01 mol dm-3 sodium ethanoate and 0.01 mol dm-3 ethanoic acid buffer solution? (Ka = 1.8 × 10–5 for ethanoic acid)
The number of 3d electrons of Mn3+ is __________.
The pH of a 0.10 M solution of a weak base is 9.82. What is the Kb for this base?
What products would you expect from the reduction of propanone?