Question

Complete the missing variable given as ‘x’ in the given reaction: Pb(NO3)2 (aq) + x.KI(aq) ----------> PbI2 (s) + 2 KNO3(aq​

Answer 1

Answer:

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Answer 2

x is 2.

• The chemical name of $Pb(NO_3)_2$ is lead (II) nitrate.
• When lead nitrate reacts with potassium iodide lead iodide along with potassium nitrate is formed.
• The balanced reaction is-
• $Pb(NO_3)_2+2KI\rightarrow PbI_2+2KNO_3$
• In this reaction 1 mole of lead nitrate reacts with 2 moles of potassium iodide to produce 1 mole of lead iodide along with 2 moles of potassium nitrate.