Day 376: JEE Mains Chemistry

1. A.
   $\left( {CH}_{3}CO \right)\overset{¨}{N}{HC}_{2}H_{5}$
2. B.
   $\left( C_{2}H_{5} \right)_{3}\overset{¨}{N}$
3. C.
   $\left( {CH}_{3}CO \right)_{2}\overset{¨}{N}H$
4. D.
   $\left( C_{2}H_{5} \right)_{2}\overset{¨}{N}H$

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1. A.
   $Ni(CN)_{4} > Ni\left( H_{2}O \right)_{4} > {NiCl}_{4}$
2. B.
   $Ni\left( H_{2}O \right)_{4} > {NiCl}_{4} > Ni(CN)_{4}$
3. C.
   $Ni(CN)_{4} > {NiCl}_{4} > Ni\left( H_{2}O \right)_{4}$
4. D.
   ${NiCl}_{4} > Ni(CN)_{4} > Ni\left( H_{2}O \right)_{4}$

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1. A.
   $\left\lbrack {CoCl}_{2}(en)_{2} \right\rbrack$
2. B.
   $\left\lbrack Co(CN)_{5}(NC) \right\rbrack^{3 -}$
3. C.
   $\left\lbrack Co\left( {NH}_{3} \right)_{3}\left( {NO}_{2} \right)_{3} \right\rbrack$
4. D.
   $\left\lbrack Co\left( {NH}_{3} \right)_{4}{Cl}_{2} \right\rbrack^{+}$

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1. A.
   $V^{3 +}$
2. B.
   ${Cr}^{3 +}$
3. C.
   ${Mn}^{4 +}$
4. D.
   ${Co}^{2 +}$

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