Question 3 :
<span>Alkane molecules are not attacked by electrophiles or neutrophiles because they are:</span>

Question 5 :
A probable molecular formula for a hydrocarbon with empirical formula $CH_{3}$ is<span> :</span>

Question 8 :
In the following structural formulae one IUPAC name is incorrect. Identify it.

Question 9 :
Chemical process that converts one member of a homologous series to the next member is called as :<br/>

Question 14 :
In Wedge-Dash Notation for three-Dimensional Representation of an organic molecule, the dashed bond represents -------------.<br/>

Question 15 :
The most common reactions of homologous series increase the number of :

Question 17 :
Assertion: Pentane and 2-methyl pentane are homolo-gues Reason: Pentane is a straight-chain alkane, while 2-methyl pentane is a branched-chain alkane

Question 24 :
The first three members of the paraffin series are ${CH}_{4}, {C}_{2}{H}_{6}$ and ${C}_{3}{H}_{8}$. The next higher homologue of this series will be :

Question 25 :
Yasmeen wrote few series of hydrocarbon and left blanks in between. Look at the chemical formula in the series of hydrocarbon carefully. Answer the following questions accordingly.<div><br/><table class="wysiwyg-table"><tbody><tr><td>I</td><td>II</td><td>III</td></tr><tr><td>$CH_4$</td><td>$C_2H_4$</td><td>X</td></tr><tr><td>$C_2H_6$</td><td>$C_3H_6$</td><td>$C_3H_4$</td></tr><tr><td>Y</td><td>$C_4H_8$</td><td>$C_4H_6$</td></tr><tr><td>$C_4H_{10}$</td><td>Z</td><td>$C_5H_8$</td></tr></tbody></table><span><br/></span></div><div><span>X and Y respectively are</span><span>:</span></div>

Question 26 :
In the case homologous series of alkanes, which one of the following statements is incorrect?

Question 27 :
What are the hybridization and shapes of the following molecules?<br>(i) $CH_3F$ (ii) $HC \equiv N$