Question 7 :
<p>Which of the following statements are usually correct for carbon compounds?&#160;</p><p>These :</p><p>(a) are good conductors of electricity.</p><p>(b) are poor conductors of electricity.</p><p>(c) have strong forces of attraction between their molecules.</p><p>(d) do not have strong forces of attraction between their molecules.</p>

Question 9 :
In a double covalent bond, number of electron pairs shared are :

Question 10 :
In graphite and diamond, the percentage of p-characters of the hybrid orbitals in hybridisation are respectively _________.