AIPMT 2007 | Coordination Compounds Question 73 | Chemistry

AIPMT 2007

MCQ (Single Correct Answer)

-1

The d electron configurations of Cr²⁺, Mn²⁺, Fe²⁺ and Ni²⁺ are 3d⁴, 3d⁵, 3d⁶ and 3d⁸ respectively. Which one of the following aqua complexes will exhibit the minimum paramagnetic behaviour?

(At. No. Cr = 24, Mn = 25, Fe = 26, Ni = 28)

[Fe(H₂O)₆]²⁺

[Ni(H₂O)₆]²⁺

[Cr(H₂O)₆]²⁺

[Mn(H₂O)₆]²⁺

AIPMT 2006

MCQ (Single Correct Answer)

-1

[Co(NH₃)₄(NO₂)₂]Cl exhibits

linkage isomerism, geometrical isomerism and optical isomerism

linkage isomerism, ionization isomerism and optical isomerism

linkage isomerism, ionization isomerism and geometrical isomerism

ionization isomerism, geometrical isomerism and oprical isomerism.

AIPMT 2006

MCQ (Single Correct Answer)

-1

[Cr(H₂O)₆]Cl₃ (At. no. of Cr = 24) has a magnetic momen of 3.83 B.M. The correct distribution of 3d electrons in the chromium of the complex is

$$3d_{x\,y}^1,\,3d_{y\,z}^1,\,3d_{z^2}^{1}$$

$$3d_{\left( {x^2 - y^2} \right)}^1,\,3d_{z^2}^1,\,3d_{xz}^1$$

$$3d_{x\,y}^1,\,\,3d_{\left( {x^2 - y^2} \right)}^1,\,3d_{y\,z}^1$$

$$3d_{x\,y}^1,\,3d_{y\,z}^1,\,3d_{x\,z}^1$$

AIPMT 2005

MCQ (Single Correct Answer)

-1

Which one of the following is expected to exhibit optical isomerism? (en = ethylenediamine)

cis-[Pt(NH₃)₂Cl₂]

trans-[Pt(NH₃)₂Cl₂]

cis-[Co(en)₂Cl₂]⁺

trans-[Co(en)₂Cl₂]⁺

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