Question 1 :
<span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"><p class="wysiwyg-text-align-left">Which one of the transition metal ions have no unpaired electrons?</p>

Question 2 :
A sulphate of a metal (A) on heating evolves twogases (B) and (C) and an oxide (D). Gas (B) turns $K_2Cr_2O_7$paper green while gas (C) forms a trimer inwhich there is no S-S bond. Compound (D) with conc. HCl forms a Lewis acid (E)which exists in a dimer. Compounds (A), (B), (C), (D) and (E) are respectively:

Question 3 :
<span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"><p class="wysiwyg-text-align-left">Catalytic activity of transition elements and their&#160;compounds is due to their _______.</p>

Question 4 :
Titanium oxide is added in interior paints for walls of rooms, halls and galleries to give :

Question 5 :
<span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"><p class="wysiwyg-text-align-left">Which one of the following ion exhibits colour in&#160;aqueous solution ? &#160; &#160; &#160;</p>

Question 6 :
<span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"><p class="wysiwyg-text-align-left">Magnetic moment of diamagnetic substance in&#160;Bohr Magnetons is _____________.</p>

Question 7 :
<span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"><p class="wysiwyg-text-align-left">Which one of the following ionic species will impart colour to an aqueous solution?</p>

Question 8 :
<span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"><p class="wysiwyg-text-align-left">The maximum oxidation state of osmium is:</p><b><span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"></b>

Question 9 :
What is the correct order of&#160;covalent size of the following ?<br/>Ca &#160;____ Sc

Question 10 :
<span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"><p class="wysiwyg-text-align-left">Which of the following ion has the maximum number of unpaired electrons?</p>

Question 11 :
<p class="wysiwyg-text-align-left"><span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small">Number of d-electrons in chromium of $[Cr(H_{2}O)_{6}]^{+3}$&#160;ion are:</p>

Question 12 :
<span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"><p class="wysiwyg-text-align-left">The highest magnetic moment is shown by the transition metal ion with which of the following outermost electronic configuration?</p>

Question 13 :
<span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"><p class="wysiwyg-text-align-left">The number of unpaired electrons in ferrous ion is:</p><b><span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"></b>

Question 14 :
A transition element X has a configuration $[Ar]3d^4$, in its +3 oxidation state. Its atomic number is:

Question 16 :
<span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"><p class="wysiwyg-text-align-left">Among the following outermost configuration of metals, which shows the highest oxidation state:</p><b><span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"></b>