[國中理化]可逆不可逆問題
查了一下可逆反應的定義:
在反應物生成生成物的同時, 部份的的生成物會反應成反應物.
即發生正反應的同時亦發生逆反應!
想請教一下:在黃色的鉻酸鉀的溶液加入酸性溶液中加入酸性溶液
會生成橘紅色的二鉻酸鉀溶液.
這個過程中怎麼證明是可逆反應?
因為可逆反應建立在同時發生正逆反應,
從黃色變成橘紅色只是很明顯地看出是正反應,
那逆反應怎麼判斷?
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