Stability of Coordination Compounds
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CHXII09:COORDINATION COMPOUNDS

322104 What is the oxidation state of cobalt in a coordination complex if it's EAN is 36 and the value of C.N. is 6 (Given : Atomic number of cobalt \(=27\) ).

1 +4
2 +2
3 +1
4 +3
MHTCET - 2021
CHXII09:COORDINATION COMPOUNDS

322105 What is the EAN of central metal in \(\left[\mathrm{Ni}(\text { gly })_{2}\right]\) ?

1 30
2 34
3 36
4 32
CHXII09:COORDINATION COMPOUNDS

322106 In which of the following coordinate compounds the central metal atom obeys the EAN rule?

1 \(\mathrm{K}_{3}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]\)
2 \(\mathrm{K}_{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]\)
3 \(\left[\mathrm{Cu}\left(\mathrm{NH}_{3}\right)_{4}\right] \mathrm{SO}_{4}\)
4 All the above
CHXII09:COORDINATION COMPOUNDS

322107 What is effective atomic number of cobalt in \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}[\mathrm{Co}(\mathrm{Z}=27)]\) ?

1 30
2 33
3 27
4 36
MHTCET - 2021
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CHXII09:COORDINATION COMPOUNDS

322104 What is the oxidation state of cobalt in a coordination complex if it's EAN is 36 and the value of C.N. is 6 (Given : Atomic number of cobalt \(=27\) ).

1 +4
2 +2
3 +1
4 +3
MHTCET - 2021
CHXII09:COORDINATION COMPOUNDS

322105 What is the EAN of central metal in \(\left[\mathrm{Ni}(\text { gly })_{2}\right]\) ?

1 30
2 34
3 36
4 32
CHXII09:COORDINATION COMPOUNDS

322106 In which of the following coordinate compounds the central metal atom obeys the EAN rule?

1 \(\mathrm{K}_{3}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]\)
2 \(\mathrm{K}_{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]\)
3 \(\left[\mathrm{Cu}\left(\mathrm{NH}_{3}\right)_{4}\right] \mathrm{SO}_{4}\)
4 All the above
CHXII09:COORDINATION COMPOUNDS

322107 What is effective atomic number of cobalt in \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}[\mathrm{Co}(\mathrm{Z}=27)]\) ?

1 30
2 33
3 27
4 36
MHTCET - 2021
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CHXII09:COORDINATION COMPOUNDS

322104 What is the oxidation state of cobalt in a coordination complex if it's EAN is 36 and the value of C.N. is 6 (Given : Atomic number of cobalt \(=27\) ).

1 +4
2 +2
3 +1
4 +3
MHTCET - 2021
CHXII09:COORDINATION COMPOUNDS

322105 What is the EAN of central metal in \(\left[\mathrm{Ni}(\text { gly })_{2}\right]\) ?

1 30
2 34
3 36
4 32
CHXII09:COORDINATION COMPOUNDS

322106 In which of the following coordinate compounds the central metal atom obeys the EAN rule?

1 \(\mathrm{K}_{3}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]\)
2 \(\mathrm{K}_{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]\)
3 \(\left[\mathrm{Cu}\left(\mathrm{NH}_{3}\right)_{4}\right] \mathrm{SO}_{4}\)
4 All the above
CHXII09:COORDINATION COMPOUNDS

322107 What is effective atomic number of cobalt in \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}[\mathrm{Co}(\mathrm{Z}=27)]\) ?

1 30
2 33
3 27
4 36
MHTCET - 2021
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CHXII09:COORDINATION COMPOUNDS

322104 What is the oxidation state of cobalt in a coordination complex if it's EAN is 36 and the value of C.N. is 6 (Given : Atomic number of cobalt \(=27\) ).

1 +4
2 +2
3 +1
4 +3
MHTCET - 2021
CHXII09:COORDINATION COMPOUNDS

322105 What is the EAN of central metal in \(\left[\mathrm{Ni}(\text { gly })_{2}\right]\) ?

1 30
2 34
3 36
4 32
CHXII09:COORDINATION COMPOUNDS

322106 In which of the following coordinate compounds the central metal atom obeys the EAN rule?

1 \(\mathrm{K}_{3}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]\)
2 \(\mathrm{K}_{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]\)
3 \(\left[\mathrm{Cu}\left(\mathrm{NH}_{3}\right)_{4}\right] \mathrm{SO}_{4}\)
4 All the above
CHXII09:COORDINATION COMPOUNDS

322107 What is effective atomic number of cobalt in \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}[\mathrm{Co}(\mathrm{Z}=27)]\) ?

1 30
2 33
3 27
4 36
MHTCET - 2021