Question

"KI এর উপস্থিতিতে জলে আয়োডিনের দ্রাব্যতা বৃদ্ধি পায়"- কেন?​

Answer 1

Solution :

Iodine has the least affinity for water and is only slightly soluble in it. However, it dissolves in 10%aq10%aq. Solution of KIKI due to the formation of a complex ion i.e., I−3I3-.

I2+KI⇔KI3I2+KI⇔KI3 or I2+I−⇔I−3I2+I-⇔I3- (complex ion)