1
JEE Main 2017 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
[Co2(CO)8] displays :
A
one Co−Co bond, six terminal CO and two bridging CO
B
one Co−Co bond, four terminal CO and four bridging CO
C
no Co−Co bond, six terminal CO and two bridging CO
D
no Co−Co bond, four terminal CO and four bridging CO
2
JEE Main 2017 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
On treatment of 100 mL of 0.1 M solution of CoCl3. 6H2O with excess AgNO3; 1.2 $$\times$$ 1022 ions are precipitated. The complex is :
A
[Co(H2O)3Cl3].3H2O
B
[Co(H2O)6]Cl3
C
[Co(H2O)5Cl]Cl2.H2O
D
[Co(H2O)4Cl2]Cl.2H2O
3
JEE Main 2016 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following is an example of homoleptic complex?
A
[Co(NH3)6]Cl3
B
[Pt(NH3)2Cl2]
C
[Co(NH3)4Cl2]
D
[Co(NH3)5Cl]Cl2
4
JEE Main 2016 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Identify the correct trend given below : (Atomic No.=Ti : 22, Cr : 24 and Mo : 42)
A
$$\Delta $$o of [Cr(H2O)6]2+ >

[Mo(H2O)6]2+ and

$$\Delta $$o of [Ti(H2O)6]3+ > [Ti(H2O)6]2+
B
$$\Delta $$o of [Cr(H2O)6]2+ >

[Mo(H2O)6]2+ and

$$\Delta $$o of [Ti(H2O)6]3+ < [Ti(H2O)6]2+
C
$$\Delta $$o of [Cr(H2O)6]2+

< [Mo(H2O)6]2+ and

$$\Delta $$o of [Ti(H2O)6]3+ > [Ti(H2O)6]2+
D
$$\Delta $$o of [Cr(H2O)6]2+

< [Mo(H2O)6]2+ and

$$\Delta $$o of [Ti(H2O)6]3+ < [Ti(H2O)6]2+
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