19:["$","div",null,{"className":"grid gap-4 mb-8","children":[["$","div","a",{"className":"p-4 border-2 border-gray-100 rounded-2xl hover:bg-blue-50 hover:border-blue-200 flex items-center gap-4 cursor-pointer group transition-all duration-300","children":[["$","span",null,{"className":"w-8 h-8 shrink-0 rounded-full bg-gray-100 text-gray-600 flex items-center justify-center font-bold uppercase group-hover:bg-blue-600 group-hover:text-white transition-colors shadow-sm","children":"a"}],["$","div",null,{"className":"text-gray-700 font-medium text-base md:text-lg","children":["$","span",null,{"className":"leading-loose text-gray-800 font-sans","children":[["$","span","0",{"dangerouslySetInnerHTML":{"__html":""},"className":"whitespace-pre-wrap"}],["$","span","1",{"dangerouslySetInnerHTML":{"__html":"

Mn^{2+}

"},"className":"mx-1"}],["$","span","2",{"dangerouslySetInnerHTML":{"__html":" has a stable "},"className":"whitespace-pre-wrap"}],["$","span","3",{"dangerouslySetInnerHTML":{"__html":"

d^5

"},"className":"mx-1"}],["$","span","4",{"dangerouslySetInnerHTML":{"__html":" configuration"},"className":"whitespace-pre-wrap"}]]}]}]]}],["$","div","b",{"className":"p-4 border-2 border-gray-100 rounded-2xl hover:bg-blue-50 hover:border-blue-200 flex items-center gap-4 cursor-pointer group transition-all duration-300","children":[["$","span",null,{"className":"w-8 h-8 shrink-0 rounded-full bg-gray-100 text-gray-600 flex items-center justify-center font-bold uppercase group-hover:bg-blue-600 group-hover:text-white transition-colors shadow-sm","children":"b"}],["$","div",null,{"className":"text-gray-700 font-medium text-base md:text-lg","children":["$","span",null,{"className":"leading-loose text-gray-800 font-sans","children":[["$","span","0",{"dangerouslySetInnerHTML":{"__html":""},"className":"whitespace-pre-wrap"}],["$","span","1",{"dangerouslySetInnerHTML":{"__html":"

Cr^{3+}

"},"className":"mx-1"}],"$L1d"]}]}]]}],"$L1e","$L1f"]}]

Q.Standard reduction potential E∘E^\circE∘ for Mn3+/Mn2+Mn^{3+}/Mn^{2+}Mn3+/Mn2+ is high (+1.57 V+1.57 \text{ V}+1.57 V) compared to Cr3+/Cr2+Cr^{3+}/Cr^{2+}Cr3+/Cr2+ (+0.41 V+0.41 \text{ V}+0.41 V). This is because:

Correct Answer: Option A

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Q.Standard reduction potential $E^\circ$ for $Mn^{3+}/Mn^{2+}$ is high ( $+1.57 \text{ V}$ ) compared to $Cr^{3+}/Cr^{2+}$ ( $+0.41 \text{ V}$ ). This is because: