Match the following `{:(,"column I" ,, "column II"),((A) ,"Leclanche cell" , (p),"primary battery" ),((B) , "Car battery" , (q),"Secondary battery"),((C ), "Fuel cell" , (r),"converts energy of combustion of" H_(2)","CH_(4) "etc into eletrical energy"),((D) , "NICAD cell" , (s),"Anode :"Zn rarr Zn^(2+)+2e^(-)),(,,,"Cathode :" MnO_(2)+NH_(4)^(+)+e^(-)rarrMn(OH)+NH_(3)),(,,(t),"Cd(s)+2Ni(OH)_(3)(s)rarrCdO(s)+2Ni(OH)_(2)(s)+H_(2)O(I)):}`

Match the following `{:(,"column I" ,, "column II"),((A) ,"Leclanche c

1.	Match the following `{:(,"column I" ,, "column II"),((A) ,"Leclanche cell" , (p),"primary battery" ),((B) , "Car battery" , (q),"Secondary battery"),((C ), "Fuel cell" , (r),"converts energy of combustion of" H_(2)","CH_(4) "etc into eletrical energy"),((D) , "NICAD cell" , (s),"Anode :"Zn rarr Zn^(2+)+2e^(-)),(,,,"Cathode :" MnO_(2)+NH_(4)^(+)+e^(-)rarrMn(OH)+NH_(3)),(,,(t),"Cd(s)+2Ni(OH)_(3)(s)rarrCdO(s)+2Ni(OH)_(2)(s)+H_(2)O(I)):}`
Answer» A(p,s)B(q),C(r ),D(q,t)

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Define molar conductivity of a solution and explain how molar conductivity changes with change in concentration of a solution for a weak and a strong electrolyte.
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What are elementary reactions ?

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