Вопрос 77

Spot the false trend statement about group 17: which replacement gives the accepted general pattern for the halogens?

It is random from one halogen to the next.
It remains exactly constant down the group.
It generally increases down the group.
It generally decreases down the group.Правильный ответ

Объяснение

Halogen reactivity generally decreases on moving downward through group 17, making the upper members more reactive in broad comparisons. Saying it rises copies the trend of a different family and reverses the relevant pattern.

Объяснение

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