Valence Bond Theory
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CHXII09:COORDINATION COMPOUNDS

322243 What is the number of unpaired electrons of nickel observed in \(\left[\mathrm{Ni}(\mathrm{CN})_{4}\right]^{2-}\) ?

1 zero
2 2
3 6
4 4
MHTCET - 2022
CHXII09:COORDINATION COMPOUNDS

322244 Match Column I and II:
Column I
Column II
A
Tetrahedral
P
\({\left[ {{\text{Ni(CN}}{{\text{)}}_{\text{4}}}} \right]^{{\text{2 - }}}}\)
B
Octahedral
Q
\({\left[ {{\text{Ag}}{{\left( {{\text{N}}{{\text{H}}_{\text{3}}}} \right)}_{\text{2}}}} \right]^{\text{ + }}}\)
C
Square planar
R
\(\left[ {{\text{Fe}}{{\left( {{\text{CO}}} \right)}_{\text{5}}}} \right]\)
D
Trigonal bipyramidal
S
\({\left[ {{\text{Cr}}{{\left( {{\text{en}}} \right)}_{\text{2}}}{\text{C}}{{\text{l}}_{\text{2}}}} \right]^{\text{ + }}}\)
E
Linear
T
\({\left[ {{\text{NiC}}{{\text{l}}_{\text{4}}}} \right]^{{\text{2 - }}}}\)

1 \(\mathrm{A}-\mathrm{T}, \mathrm{B}-\mathrm{S}, \mathrm{C}-\mathrm{R}, \mathrm{D}-\mathrm{Q}, \mathrm{E}-\mathrm{P}\)
2 \(\mathrm{A}-\mathrm{S}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{Q}, \mathrm{D}-\mathrm{T}, \mathrm{E}-\mathrm{P}\)
3 \(\mathrm{A}-\mathrm{T}, \mathrm{B}-\mathrm{S}, \mathrm{C}-\mathrm{P}, \mathrm{D}-\mathrm{R}, \mathrm{E}-\mathrm{Q}\)
4 \(\mathrm{A}-\mathrm{T}, \mathrm{B}-\mathrm{S}, \mathrm{C}-\mathrm{Q}, \mathrm{D}-\mathrm{R}, \mathrm{E}-\mathrm{P}\)
CHXII09:COORDINATION COMPOUNDS

322245 Arrange the following in order of decreasing number of unpaired electrons?
A. \(\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}\)
B. \(\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{-3}\)
C. \(\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{4-}\)
D. \(\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}\)

1 D, A, B, C
2 A, B, C, D
3 C, B, A, D
4 B, C, A, D
CHXII09:COORDINATION COMPOUNDS

322246 \({\rm{ds}}{{\rm{p}}^{\rm{2}}}\)-hybridisation is found in

1 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{2}\right]^{2+}\)
2 \(\left[\mathrm{NiCl}_{4}\right]^{2-}\)
3 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}\)
4 \(\left[\mathrm{PtCl}_{4}\right]^{2-}\)
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CHXII09:COORDINATION COMPOUNDS

322243 What is the number of unpaired electrons of nickel observed in \(\left[\mathrm{Ni}(\mathrm{CN})_{4}\right]^{2-}\) ?

1 zero
2 2
3 6
4 4
MHTCET - 2022
CHXII09:COORDINATION COMPOUNDS

322244 Match Column I and II:
Column I
Column II
A
Tetrahedral
P
\({\left[ {{\text{Ni(CN}}{{\text{)}}_{\text{4}}}} \right]^{{\text{2 - }}}}\)
B
Octahedral
Q
\({\left[ {{\text{Ag}}{{\left( {{\text{N}}{{\text{H}}_{\text{3}}}} \right)}_{\text{2}}}} \right]^{\text{ + }}}\)
C
Square planar
R
\(\left[ {{\text{Fe}}{{\left( {{\text{CO}}} \right)}_{\text{5}}}} \right]\)
D
Trigonal bipyramidal
S
\({\left[ {{\text{Cr}}{{\left( {{\text{en}}} \right)}_{\text{2}}}{\text{C}}{{\text{l}}_{\text{2}}}} \right]^{\text{ + }}}\)
E
Linear
T
\({\left[ {{\text{NiC}}{{\text{l}}_{\text{4}}}} \right]^{{\text{2 - }}}}\)

1 \(\mathrm{A}-\mathrm{T}, \mathrm{B}-\mathrm{S}, \mathrm{C}-\mathrm{R}, \mathrm{D}-\mathrm{Q}, \mathrm{E}-\mathrm{P}\)
2 \(\mathrm{A}-\mathrm{S}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{Q}, \mathrm{D}-\mathrm{T}, \mathrm{E}-\mathrm{P}\)
3 \(\mathrm{A}-\mathrm{T}, \mathrm{B}-\mathrm{S}, \mathrm{C}-\mathrm{P}, \mathrm{D}-\mathrm{R}, \mathrm{E}-\mathrm{Q}\)
4 \(\mathrm{A}-\mathrm{T}, \mathrm{B}-\mathrm{S}, \mathrm{C}-\mathrm{Q}, \mathrm{D}-\mathrm{R}, \mathrm{E}-\mathrm{P}\)
CHXII09:COORDINATION COMPOUNDS

322245 Arrange the following in order of decreasing number of unpaired electrons?
A. \(\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}\)
B. \(\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{-3}\)
C. \(\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{4-}\)
D. \(\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}\)

1 D, A, B, C
2 A, B, C, D
3 C, B, A, D
4 B, C, A, D
CHXII09:COORDINATION COMPOUNDS

322246 \({\rm{ds}}{{\rm{p}}^{\rm{2}}}\)-hybridisation is found in

1 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{2}\right]^{2+}\)
2 \(\left[\mathrm{NiCl}_{4}\right]^{2-}\)
3 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}\)
4 \(\left[\mathrm{PtCl}_{4}\right]^{2-}\)
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CHXII09:COORDINATION COMPOUNDS

322243 What is the number of unpaired electrons of nickel observed in \(\left[\mathrm{Ni}(\mathrm{CN})_{4}\right]^{2-}\) ?

1 zero
2 2
3 6
4 4
MHTCET - 2022
CHXII09:COORDINATION COMPOUNDS

322244 Match Column I and II:
Column I
Column II
A
Tetrahedral
P
\({\left[ {{\text{Ni(CN}}{{\text{)}}_{\text{4}}}} \right]^{{\text{2 - }}}}\)
B
Octahedral
Q
\({\left[ {{\text{Ag}}{{\left( {{\text{N}}{{\text{H}}_{\text{3}}}} \right)}_{\text{2}}}} \right]^{\text{ + }}}\)
C
Square planar
R
\(\left[ {{\text{Fe}}{{\left( {{\text{CO}}} \right)}_{\text{5}}}} \right]\)
D
Trigonal bipyramidal
S
\({\left[ {{\text{Cr}}{{\left( {{\text{en}}} \right)}_{\text{2}}}{\text{C}}{{\text{l}}_{\text{2}}}} \right]^{\text{ + }}}\)
E
Linear
T
\({\left[ {{\text{NiC}}{{\text{l}}_{\text{4}}}} \right]^{{\text{2 - }}}}\)

1 \(\mathrm{A}-\mathrm{T}, \mathrm{B}-\mathrm{S}, \mathrm{C}-\mathrm{R}, \mathrm{D}-\mathrm{Q}, \mathrm{E}-\mathrm{P}\)
2 \(\mathrm{A}-\mathrm{S}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{Q}, \mathrm{D}-\mathrm{T}, \mathrm{E}-\mathrm{P}\)
3 \(\mathrm{A}-\mathrm{T}, \mathrm{B}-\mathrm{S}, \mathrm{C}-\mathrm{P}, \mathrm{D}-\mathrm{R}, \mathrm{E}-\mathrm{Q}\)
4 \(\mathrm{A}-\mathrm{T}, \mathrm{B}-\mathrm{S}, \mathrm{C}-\mathrm{Q}, \mathrm{D}-\mathrm{R}, \mathrm{E}-\mathrm{P}\)
CHXII09:COORDINATION COMPOUNDS

322245 Arrange the following in order of decreasing number of unpaired electrons?
A. \(\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}\)
B. \(\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{-3}\)
C. \(\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{4-}\)
D. \(\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}\)

1 D, A, B, C
2 A, B, C, D
3 C, B, A, D
4 B, C, A, D
CHXII09:COORDINATION COMPOUNDS

322246 \({\rm{ds}}{{\rm{p}}^{\rm{2}}}\)-hybridisation is found in

1 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{2}\right]^{2+}\)
2 \(\left[\mathrm{NiCl}_{4}\right]^{2-}\)
3 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}\)
4 \(\left[\mathrm{PtCl}_{4}\right]^{2-}\)
For More Updates join with Us
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
CHXII09:COORDINATION COMPOUNDS

322243 What is the number of unpaired electrons of nickel observed in \(\left[\mathrm{Ni}(\mathrm{CN})_{4}\right]^{2-}\) ?

1 zero
2 2
3 6
4 4
MHTCET - 2022
CHXII09:COORDINATION COMPOUNDS

322244 Match Column I and II:
Column I
Column II
A
Tetrahedral
P
\({\left[ {{\text{Ni(CN}}{{\text{)}}_{\text{4}}}} \right]^{{\text{2 - }}}}\)
B
Octahedral
Q
\({\left[ {{\text{Ag}}{{\left( {{\text{N}}{{\text{H}}_{\text{3}}}} \right)}_{\text{2}}}} \right]^{\text{ + }}}\)
C
Square planar
R
\(\left[ {{\text{Fe}}{{\left( {{\text{CO}}} \right)}_{\text{5}}}} \right]\)
D
Trigonal bipyramidal
S
\({\left[ {{\text{Cr}}{{\left( {{\text{en}}} \right)}_{\text{2}}}{\text{C}}{{\text{l}}_{\text{2}}}} \right]^{\text{ + }}}\)
E
Linear
T
\({\left[ {{\text{NiC}}{{\text{l}}_{\text{4}}}} \right]^{{\text{2 - }}}}\)

1 \(\mathrm{A}-\mathrm{T}, \mathrm{B}-\mathrm{S}, \mathrm{C}-\mathrm{R}, \mathrm{D}-\mathrm{Q}, \mathrm{E}-\mathrm{P}\)
2 \(\mathrm{A}-\mathrm{S}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{Q}, \mathrm{D}-\mathrm{T}, \mathrm{E}-\mathrm{P}\)
3 \(\mathrm{A}-\mathrm{T}, \mathrm{B}-\mathrm{S}, \mathrm{C}-\mathrm{P}, \mathrm{D}-\mathrm{R}, \mathrm{E}-\mathrm{Q}\)
4 \(\mathrm{A}-\mathrm{T}, \mathrm{B}-\mathrm{S}, \mathrm{C}-\mathrm{Q}, \mathrm{D}-\mathrm{R}, \mathrm{E}-\mathrm{P}\)
CHXII09:COORDINATION COMPOUNDS

322245 Arrange the following in order of decreasing number of unpaired electrons?
A. \(\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}\)
B. \(\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{-3}\)
C. \(\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{4-}\)
D. \(\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}\)

1 D, A, B, C
2 A, B, C, D
3 C, B, A, D
4 B, C, A, D
CHXII09:COORDINATION COMPOUNDS

322246 \({\rm{ds}}{{\rm{p}}^{\rm{2}}}\)-hybridisation is found in

1 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{2}\right]^{2+}\)
2 \(\left[\mathrm{NiCl}_{4}\right]^{2-}\)
3 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}\)
4 \(\left[\mathrm{PtCl}_{4}\right]^{2-}\)