9 RBTS PAPER(CHEMISTRY)
9 RBTS PAPER

162450 Match list- I with list-II




























List- IList- II
(A) \(\left[\mathrm{Ni}(\mathrm{Cl})_4\right]^{-2}\)(i) 5.92 B.M.
(B) \(\left[\mathrm{Co}\left(\mathrm{C}_2 \mathrm{O}_4\right)_3\right]^{-3}\)(ii) 1.73 B.M.
(C) \(\left[\mathrm{FeF}_6\right]^{-3}\)(iii) 0 B.M.
(D) \(\left[\mathrm{Mn}(\mathrm{CN})_6\right]^{-4}\)(iv) 2.82 B.M.


Choose the correct answer from the options given below:

1 A-(iv), (B)-(iii), (C)- (i), (D)-(ii)
2 A-(iv), (B)-(iii), (C)- (ii), (D)-(i)
3 A-(iii), (B)-(iv), (C)- (i), (D)-(ii)
4 A-(i), (B)-(iii), (C)-(ii), (D)-(iv)
9 RBTS PAPER

162451 What is the correct electronic configuration of the central atom in \(\left[\mathrm{FeF}_6\right]^{-4}\) based on crystal field theory :

1 \(e_g{ }^4 t_{2 g}{ }^2\)
2 \(t^4{ }_{2 g} e_g{ }^2\)
3 \(t_{2 g}{ }^6 e_g{ }^{\circ}\)
4 \(e_g{ }^3 t_{2 g}{ }^3\)
9 RBTS PAPER

162452 Which of the following is the correct order of increasing field strength of ligands to form coordination compounds :

1 \(\mathrm{SCN}^{-}<\mathrm{F}^{-}<\mathrm{C}_2 \mathrm{O}_4^{-2}<\mathrm{CN}^{-}<\mathrm{CO}\)
2 \(\mathrm{F}^{-}<\mathrm{SCN}^{-}<\mathrm{C}_2 \mathrm{O}_4^{-2}<\mathrm{CN}^{-}<\mathrm{CO}\)
3 \(\mathrm{C}_2 \mathrm{O}_4^{-2}<\mathrm{F}^{-}<\mathrm{SCN}^{-}<\mathrm{CO}<\mathrm{CN}^{-}\)
4 \(\mathrm{SCN}^{-}<\mathrm{F}^{-}<\mathrm{CN}^{-}<\mathrm{C}_2 \mathrm{O}_4^{-2}<\mathrm{CO}\)
9 RBTS PAPER

162453 Correct increasing order for the wavelength of absorption in the visible region for a complexes of \(\mathrm{Co}^{+3}\) is :

1 \(\left[\mathrm{Co}(\mathrm{CN})_6\right]^{-3},\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{+3}\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{+3}\)
2 \(\left[\mathrm{Co}(\mathrm{CN})_6\right]^{-3},\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{+3}\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{+3}\)
3 \(\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{+3},\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{+3}\left[\mathrm{Co}(\mathrm{CN})_6\right]^{-3}\)
4 None of these
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
9 RBTS PAPER

162450 Match list- I with list-II




























List- IList- II
(A) \(\left[\mathrm{Ni}(\mathrm{Cl})_4\right]^{-2}\)(i) 5.92 B.M.
(B) \(\left[\mathrm{Co}\left(\mathrm{C}_2 \mathrm{O}_4\right)_3\right]^{-3}\)(ii) 1.73 B.M.
(C) \(\left[\mathrm{FeF}_6\right]^{-3}\)(iii) 0 B.M.
(D) \(\left[\mathrm{Mn}(\mathrm{CN})_6\right]^{-4}\)(iv) 2.82 B.M.


Choose the correct answer from the options given below:

1 A-(iv), (B)-(iii), (C)- (i), (D)-(ii)
2 A-(iv), (B)-(iii), (C)- (ii), (D)-(i)
3 A-(iii), (B)-(iv), (C)- (i), (D)-(ii)
4 A-(i), (B)-(iii), (C)-(ii), (D)-(iv)
9 RBTS PAPER

162451 What is the correct electronic configuration of the central atom in \(\left[\mathrm{FeF}_6\right]^{-4}\) based on crystal field theory :

1 \(e_g{ }^4 t_{2 g}{ }^2\)
2 \(t^4{ }_{2 g} e_g{ }^2\)
3 \(t_{2 g}{ }^6 e_g{ }^{\circ}\)
4 \(e_g{ }^3 t_{2 g}{ }^3\)
9 RBTS PAPER

162452 Which of the following is the correct order of increasing field strength of ligands to form coordination compounds :

1 \(\mathrm{SCN}^{-}<\mathrm{F}^{-}<\mathrm{C}_2 \mathrm{O}_4^{-2}<\mathrm{CN}^{-}<\mathrm{CO}\)
2 \(\mathrm{F}^{-}<\mathrm{SCN}^{-}<\mathrm{C}_2 \mathrm{O}_4^{-2}<\mathrm{CN}^{-}<\mathrm{CO}\)
3 \(\mathrm{C}_2 \mathrm{O}_4^{-2}<\mathrm{F}^{-}<\mathrm{SCN}^{-}<\mathrm{CO}<\mathrm{CN}^{-}\)
4 \(\mathrm{SCN}^{-}<\mathrm{F}^{-}<\mathrm{CN}^{-}<\mathrm{C}_2 \mathrm{O}_4^{-2}<\mathrm{CO}\)
9 RBTS PAPER

162453 Correct increasing order for the wavelength of absorption in the visible region for a complexes of \(\mathrm{Co}^{+3}\) is :

1 \(\left[\mathrm{Co}(\mathrm{CN})_6\right]^{-3},\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{+3}\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{+3}\)
2 \(\left[\mathrm{Co}(\mathrm{CN})_6\right]^{-3},\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{+3}\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{+3}\)
3 \(\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{+3},\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{+3}\left[\mathrm{Co}(\mathrm{CN})_6\right]^{-3}\)
4 None of these
9 RBTS PAPER

162450 Match list- I with list-II




























List- IList- II
(A) \(\left[\mathrm{Ni}(\mathrm{Cl})_4\right]^{-2}\)(i) 5.92 B.M.
(B) \(\left[\mathrm{Co}\left(\mathrm{C}_2 \mathrm{O}_4\right)_3\right]^{-3}\)(ii) 1.73 B.M.
(C) \(\left[\mathrm{FeF}_6\right]^{-3}\)(iii) 0 B.M.
(D) \(\left[\mathrm{Mn}(\mathrm{CN})_6\right]^{-4}\)(iv) 2.82 B.M.


Choose the correct answer from the options given below:

1 A-(iv), (B)-(iii), (C)- (i), (D)-(ii)
2 A-(iv), (B)-(iii), (C)- (ii), (D)-(i)
3 A-(iii), (B)-(iv), (C)- (i), (D)-(ii)
4 A-(i), (B)-(iii), (C)-(ii), (D)-(iv)
9 RBTS PAPER

162451 What is the correct electronic configuration of the central atom in \(\left[\mathrm{FeF}_6\right]^{-4}\) based on crystal field theory :

1 \(e_g{ }^4 t_{2 g}{ }^2\)
2 \(t^4{ }_{2 g} e_g{ }^2\)
3 \(t_{2 g}{ }^6 e_g{ }^{\circ}\)
4 \(e_g{ }^3 t_{2 g}{ }^3\)
9 RBTS PAPER

162452 Which of the following is the correct order of increasing field strength of ligands to form coordination compounds :

1 \(\mathrm{SCN}^{-}<\mathrm{F}^{-}<\mathrm{C}_2 \mathrm{O}_4^{-2}<\mathrm{CN}^{-}<\mathrm{CO}\)
2 \(\mathrm{F}^{-}<\mathrm{SCN}^{-}<\mathrm{C}_2 \mathrm{O}_4^{-2}<\mathrm{CN}^{-}<\mathrm{CO}\)
3 \(\mathrm{C}_2 \mathrm{O}_4^{-2}<\mathrm{F}^{-}<\mathrm{SCN}^{-}<\mathrm{CO}<\mathrm{CN}^{-}\)
4 \(\mathrm{SCN}^{-}<\mathrm{F}^{-}<\mathrm{CN}^{-}<\mathrm{C}_2 \mathrm{O}_4^{-2}<\mathrm{CO}\)
9 RBTS PAPER

162453 Correct increasing order for the wavelength of absorption in the visible region for a complexes of \(\mathrm{Co}^{+3}\) is :

1 \(\left[\mathrm{Co}(\mathrm{CN})_6\right]^{-3},\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{+3}\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{+3}\)
2 \(\left[\mathrm{Co}(\mathrm{CN})_6\right]^{-3},\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{+3}\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{+3}\)
3 \(\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{+3},\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{+3}\left[\mathrm{Co}(\mathrm{CN})_6\right]^{-3}\)
4 None of these
9 RBTS PAPER

162450 Match list- I with list-II




























List- IList- II
(A) \(\left[\mathrm{Ni}(\mathrm{Cl})_4\right]^{-2}\)(i) 5.92 B.M.
(B) \(\left[\mathrm{Co}\left(\mathrm{C}_2 \mathrm{O}_4\right)_3\right]^{-3}\)(ii) 1.73 B.M.
(C) \(\left[\mathrm{FeF}_6\right]^{-3}\)(iii) 0 B.M.
(D) \(\left[\mathrm{Mn}(\mathrm{CN})_6\right]^{-4}\)(iv) 2.82 B.M.


Choose the correct answer from the options given below:

1 A-(iv), (B)-(iii), (C)- (i), (D)-(ii)
2 A-(iv), (B)-(iii), (C)- (ii), (D)-(i)
3 A-(iii), (B)-(iv), (C)- (i), (D)-(ii)
4 A-(i), (B)-(iii), (C)-(ii), (D)-(iv)
9 RBTS PAPER

162451 What is the correct electronic configuration of the central atom in \(\left[\mathrm{FeF}_6\right]^{-4}\) based on crystal field theory :

1 \(e_g{ }^4 t_{2 g}{ }^2\)
2 \(t^4{ }_{2 g} e_g{ }^2\)
3 \(t_{2 g}{ }^6 e_g{ }^{\circ}\)
4 \(e_g{ }^3 t_{2 g}{ }^3\)
9 RBTS PAPER

162452 Which of the following is the correct order of increasing field strength of ligands to form coordination compounds :

1 \(\mathrm{SCN}^{-}<\mathrm{F}^{-}<\mathrm{C}_2 \mathrm{O}_4^{-2}<\mathrm{CN}^{-}<\mathrm{CO}\)
2 \(\mathrm{F}^{-}<\mathrm{SCN}^{-}<\mathrm{C}_2 \mathrm{O}_4^{-2}<\mathrm{CN}^{-}<\mathrm{CO}\)
3 \(\mathrm{C}_2 \mathrm{O}_4^{-2}<\mathrm{F}^{-}<\mathrm{SCN}^{-}<\mathrm{CO}<\mathrm{CN}^{-}\)
4 \(\mathrm{SCN}^{-}<\mathrm{F}^{-}<\mathrm{CN}^{-}<\mathrm{C}_2 \mathrm{O}_4^{-2}<\mathrm{CO}\)
9 RBTS PAPER

162453 Correct increasing order for the wavelength of absorption in the visible region for a complexes of \(\mathrm{Co}^{+3}\) is :

1 \(\left[\mathrm{Co}(\mathrm{CN})_6\right]^{-3},\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{+3}\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{+3}\)
2 \(\left[\mathrm{Co}(\mathrm{CN})_6\right]^{-3},\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{+3}\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{+3}\)
3 \(\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{+3},\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{+3}\left[\mathrm{Co}(\mathrm{CN})_6\right]^{-3}\)
4 None of these