Coordination Compounds · JEE Main previous year questions

2018 2 questions

1. Q732018 · 16 Apr 2018 · Shift 1
   
   1. A.
   2. B.
   3. C.
   4. D.
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   Answer: B

2. Q762018 · 8 Apr 2018 · Shift 1

   Consider the following reaction and statements: $[\text{Co}({\text{NH}}_3{)}_4{\text{Br}}_2{]}^{+}+{\text{Br}}^{-}\to [\text{Co}({\text{NH}}_3{)}_3{\text{Br}}_3]+{\text{NH}}_3$ (I) Two isomers are produced if the reactant complex ion is a cis-isomer (II) Two isomers are produced if the reactant complex ion is a trans-isomer (III) Only one isomer is produced if the reactant complex ion is a trans-isomer (IV) Only one isomer is produced if the reactant complex ion is a cis – isomer The correct statements are

   1. A.(II) and (IV)
   2. B.(I) and (II)
   3. C.(I) and (III)
   4. D.(III) and (IV)
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   Answer: C