Q. No.Match the compounds given in Column I with the oxidation state of cobalt present in it (given in Column II) and assign the correct code.
Column I (Compound)
Column II (Oxidation state of Co)
A.
1.
+4
B.
2.
0
C.
3.
+1
D.
4.
+2
5.
+3
1. A=(1), B=(2), C=(4), D=(5)
2. A=(4), B=(3), C=(2), D=(1)
3. A=(5), B=(1), C=(4), D=(2)
4. A=(4), B=(1), C=(2), D=(3)
Column I (Compound)
Column II (Oxidation state of Co)
A.
1.
+4
B.
2.
0
C.
3.
+1
D.
4.
+2
5.
+3
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How many hydrate isomers are possible for the molecular formula ?
1. One
2. Two
3. Three
4. Four
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If excess of AgNO3 solution is added to 100ml of 0.024M solution of dichlorobis(ethylene diamine) cobalt (III) Chloride, how many moles of AgCl will be precipitated?
1. 0.0012
2. 0.0016
3. 0.0024
4. 0.0048
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The shape of [NiCl4]2- and [PtCl4]2- respectively are
1. Square planar, Square planar
2. Tetrahedral, Tetrahedral
3. Tetrahedral, Square planar
4. Square planar, Tetrahedral
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Which of the following compounds exhibit geometrical isomerism?
1. [Pt(NH3)2Cl2 ]
2. [Zn(NH3)2Cl2 ]
3. [Pt(NH3)3Cl]
4. All of the above
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bonding is not involved in
1. Ferrocene
2. Dibenzene Chromium
3. Zeise’s Salt
4. Grignard Feagent
[Fe(H2O)6]3+ and [Fe(CN)6]3- differ in:
1. Magnetic nature
2. Oxidation number
3. Co-ordination number
4. Structure
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