Question 3 :
Among the alkali metals, the metal with the<br/>highest ionisation potential is:<br/>

Question 5 :
Alkali metal when exposed to air tarnish quickly due to the ________.<br/>

Question 6 :
Which of the following element(s) is/are not react directly with nitrogen to form nitride ?

Question 7 :
Among of alkali metals, the metal with highest ionization potential is :

Question 8 :
Sodium gives blue color with $NH_3$ solution, this blue colour is due to&#160;<br/>

Question 9 :
Choose the correct answer form the alternatives given.<br>Match column I with column II and mark the appropriate choice.<table class="wysiwyg-table"><tbody><tr><td></td><td>Column I</td><td><br></td><td>Column II</td></tr><tr><td>(A)</td><td>Li</td><td>(i)</td><td>$M_2O_2$</td></tr><tr><td>(B)</td><td>Na</td><td>(ii)</td><td>$MO_2$</td></tr><tr><td>(C)</td><td>Rb</td><td>(iii)</td><td>$M_2O$</td></tr></tbody></table>

Question 11 :
Select the correct order of ionic conductance of the following cations in an aqueous solution.

Question 12 :
Which of the following properties show a similar trend on moving Li to Cs within the group?<br>