Question 4 :
<p><span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small">The ionizable valency of Ni in Ni(CO)<span class="wysiwyg-font-size-medium">$_{4}$</span></span></span><span class="wysiwyg-font-size-xx-small"><span class="wysiwyg-font-size-xx-small"> </span></span><span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small">is __________.</span></span></p>

Question 7 :
One mole of Co(NH₃)5Cl3 gives 3 moles of ions on dissolution in water. One mole of this reacts with two moles of AgNO₃ to give two moles of AgCl. The complex is :<br>

Question 8 :
A square planar complex is formed by hybridization of which atomic orbitals?<br>

Question 11 :
Which of the following complex ion is expected to absorb light in $4000\overset {\circ}{A}$ to $7800\overset {\circ}{A}$ region&gt;

Question 13 :
The primary valence of the metal ion in the co-ordination compound $K_2[Ni(CN)_4]$ is

Question 14 :
The formula of the compound which gives violet colour in Lassaigne's test for sulphur with sodium nitroprusside is:

Question 16 :
<span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"></span></span><p class="wysiwyg-text-align-left">The primary valence of the metal ion is satisfied by :</p>

Question 18 :
IUPAC name of $Na_{3}\left [ Co\left ( NO_{2} \right )_{6} \right ]$ is:<br/>

Question 23 :
<div> The <i></i> IUPAC name of $\displaystyle \:\left [ Fe\left ( H_{2}O \right )_{5}\left ( NO \right ) \right ]SO_{4}$ is penta aquanitrosylium iron (I) sulphate.<br/></div>

Question 24 :
The conductivity measurement of a coordination compound of Cobalt (III) shows that it dissociates into 3 ions in solution. The compound is:

Question 26 :
<span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"></span></span><p class="wysiwyg-text-align-left">The neutral complex, diamine dibromo dichloro platinum (IV) is best represented as: </p>

Question 28 :
<p>For AX ionic crystal to exist in bcc structure, the ratio of</p><p><img style='object-fit:contain' src="https://jeefocus.com/assets/images/question/2/Sec2Cat45SubCat176Q68.png" class="cursor-pointer"/></p>

Question 33 :
When 0.01 mole of a cobalt complex is treated with excess silver nitrate solution, 4.305 g silver chloride is precipitated. The formula of the complex is:<br/>

Question 34 :
The correct IUPAC name of $\left[ CO{ \left( N{ H }_{ 3 } \right) }_{ 3 }{ \left( N{ O }_{ 2 } \right) }_{ 3 } \right] $ is:

Question 35 :
Following Sidgwick's rule of EAN, $\displaystyle Co\left ( CO \right )_{x}$ will be :

Question 36 :
Which of the following will give $Fe^{3+}$ ions in the solution?<br>

Question 39 :
The atomic number of cobalt is $27$. The EAN of cobalt in $Na_3[Co(NO_2)_4Cl_2]$ is :

Question 45 :
The correct name of, $\displaystyle \left [ Ni\left ( DMG \right )_{2} \right ]$ a cherry red precipitate is:

Question 48 :
In which of the following pair, the EAN of central metal atom is not same?

Question 50 :
The complex ion in the compound $\displaystyle Cs\left [ MnF_{4}\left ( H_{2}O \right )_{2} \right ]$ is octahedral and high spin. The name of the compound is :