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JEE Mains · Chemistry · STD 12 - 2. Electrochemistry

સૂચિ - \(I\) સાથે સૂચિ - \(II\) ને જોડો.  
સૂચિ - \(I\) સૂચિ - \(II\)
\((A)\) \(Cd ( s )+2 Ni ( OH )_{3}( s ) \rightarrow CdO ( s )+2 Ni ( OH )_{2}( s )+ H _{2} O (l)\) \((I)\) પ્રાથમિક બેટરી
\((B)\)  \(Zn ( Hg )+ HgO ( s ) \rightarrow ZnO ( s )+ Hg (l)\) \((II)\) દ્વિતિયક બેટરી (કોષ) નું ડિસચાર્જિંગ
\((C)\) \(2 PbSO _{4}( s )+2 H _{2} O (l) \rightarrow Pb ( s )+ PbO _{2}( s )+ 2 H _{2} SO _{4}( aq )\) \((III)\) બળતણા (ઈંઘણ) કોષ
\((D)\) \(2 H _{2}( g )+ O _{2}( g ) \quad \rightarrow 2 H _{2} O (l)\) \((IV)\) દ્વિતિયક બેટરીનું ચાર્જિંગ

  1. A \(( A )-( I ),( B )-( II ),( C )-( III ),( D )-( IV )\)
  2. B \(( A )-( IV ),( B )-( I ),( C )-( II ),( D )-( III )\)
  3. C \(( A )-( II ),( B )-( I ),( C )-( IV ),( D )-( III )\)
  4. D \(( A )-( II ),( B )-( I ),( C )-( III ),( D )-( IV )\)
Verified Solution

Answer & Solution

Correct Answer

(C) \(( A )-( II ),( B )-( I ),( C )-( IV ),( D )-( III )\)

Step-by-step Solution

Detailed explanation

\((a)\) \(Cd ( s )+2 Ni ( OH )_{3}( s ) \rightarrow CdO ( s )+2 Ni ( OH )_{2}( s )\) \(+ H _{2} O (l)\) Discharge of secondary Battery \((b)\) \(Zn ( Hg )+ HgO\) (s) \(\rightarrow ZnO ( s )+ Hg (l)\) (Primary Battery Mercury cell) \((c)\) \(2 PbSO _{4}\) (s)…
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