write down the balanced chemical equation for the following:
a) zinc reacts with silver nitrate to produce zinc nitrate and silver.
b) potassium iodide reacts with lead nitrate to produce potassium nitrate and lead iodide.
c) silver chloride is decomposed in presence of sunlight to give silver and chlorine gas.
d) calcium oxide reacts with water to give lime water.
Answers
Answer:
Explanation:
Identify the type of reactions taking place in each of the following cases and write the balanced chemical equation for the reactions:
(a) Zinc reacts with silver nitrate to produce zinc nitrate and silver.
(b) Potassium iodide reacts with lead nitrate to produce potassium nitrate and lead iodide.
Medium
Solution
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(a) The given reaction is a displacement reaction in which more reactive zinc will displace less reactive silver from silver nitrate solution.
Zn
(s)
+2AgNO
3
(aq.)
⟶Zn(NO
3
)
2
(aq.)
+2Ag
(s)
(b) The given reaction is a double displacement reaction.
2KI
(aq.)
+Pb(NO
3
)
2
(aq.)
⟶2KNO
3
(aq.)
+PbI
2
(s)
Answer:
a=ZN²+ANO3_______ ZN²AN +0³