FSC Part 1 Chemistry Chapter 3 Gases Online Test | ilmkidunya

Chemistry Fsc Part 1 Chapter 3 Online Test

Sr. #	Questions	Answers Choice
1	What is the type of [ICL4] according to the VSEPR model.	<p>AB 4 Tetrahederal</p> <p>AB 4, Pyramidal</p> <p>AB 5, trigonal bipyramidal</p> <p>AB6, trigonalbipyramidal</p>
2	How many extra electrons than a normal octet are threre in the valence shell of I in ICL5?	<p>2</p> <p>3</p> <p>4</p> <p>5</p>
3	How many electrons are presente in the valence shell of P in PO4³	<p>8</p> <p>10</p> <p>12</p> <p>14</p>
4	Which of the followig molecules has a dipole moment.	<p>CO2</p> <p>CS2</p> <p>SO2</p> <p>CCl4</p>
5	The shape of ICl5 according to the VSEPR model is	<p>T shape</p> <p>Tetrahedral</p> <p>Trigonal panar</p> <p>Trigonal bipyramidal</p>
6	Which of the following species has unparied electonrs in antibonding molecular orbitals.	<p>O2 <sup>2+</sup></p> <p>N 2 <sup> 2-</sup></p> <p>B</p> <p>F2</p>
7	The numbers of σ and π bonds in the N2 molecule are.	<p>One <span style="font-size:11pt"><span style="line-height:107%"><span style="font-family:Calibri,sans-serif"><m:omathpara><m:omath><i><span style="font-size:22.0pt"><span style="line-height:107%"><span style="font-family:"Cambria Math",serif"><m:r>σ  </m:r></span></span></span></i><span style="font-size:22.0pt"><span style="line-height:107%"><span style="font-family:"Cambria Math",serif"><m:r><span style="font-size:12px;">and one </span></m:r></span></span></span></m:omath></m:omathpara></span></span></span><span style="font-size:11pt"><span style="line-height:107%"><span style="font-family:Calibri,sans-serif"><m:omathpara><m:omath><i><span style="font-size:22.0pt"><span style="line-height:107%"><span style="font-family:"Cambria Math",serif"><m:r><span style="font-size:12px;">  </span></m:r></span></span></span></i></m:omath></m:omathpara></span></span></span><span style="font-size:11pt"><span style="line-height:107%"><span style="font-family:Calibri,sans-serif"><m:omathpara><m:omath><i><span style="font-size:22.0pt"><span style="line-height:107%"><span style="font-family:"Cambria Math",serif"><m:r>π<span style="font-size:11px;">    </span></m:r></span></span></span></i><span style="font-size:22.0pt"><span style="line-height:107%"><span style="font-family:"Cambria Math",serif"><m:r><span style="font-size:11px;">bonds </span></m:r></span></span></span></m:omath></m:omathpara></span></span></span></p> <p>The numbers of <span style="font-size:11pt"><span style="line-height:107%"><span style="font-family:Calibri,sans-serif"><m:omathpara><m:omath><i><span style="font-size:22.0pt"><span style="line-height:107%"><span style="font-family:"Cambria Math",serif"><m:r>σ <span style="font-size:12px;">and  two</span></m:r></span></span></span></i></m:omath></m:omathpara></span></span></span><span style="font-size:11pt"><span style="line-height:107%"><span style="font-family:Calibri,sans-serif"><m:omathpara><m:omath><i><span style="font-size:22.0pt"><span style="line-height:107%"><span style="font-family:"Cambria Math",serif"><m:r>π<span style="font-size:11px;">    </span></m:r></span></span></span></i><span style="font-size:22.0pt"><span style="line-height:107%"><span style="font-family:"Cambria Math",serif"><m:r><span style="font-size:11px;">bonds </span></m:r></span></span></span></m:omath></m:omathpara></span></span></span></p> <p>Three  <span style="font-size:11pt"><span style="line-height:107%"><span style="font-family:Calibri,sans-serif"><m:omathpara><m:omath><i><span style="font-size:22.0pt"><span style="line-height:107%"><span style="font-family:"Cambria Math",serif"><m:r>σ </m:r></span></span></span></i></m:omath></m:omathpara></span></span></span><span style="font-size:11pt"><span style="line-height:107%"><span style="font-family:Calibri,sans-serif"><m:omathpara><m:omath><i><span style="font-size:22.0pt"><span style="line-height:107%"><span style="font-family:"Cambria Math",serif"><m:r><span style="font-size:11px;">  </span></m:r></span></span></span></i><span style="font-size:22.0pt"><span style="line-height:107%"><span style="font-family:"Cambria Math",serif"><m:r><span style="font-size:11px;">bonds ionly</span></m:r></span></span></span></m:omath></m:omathpara></span></span></span></p> <p>Two <span style="font-size:11pt"><span style="line-height:107%"><span style="font-family:Calibri,sans-serif"><m:omathpara><m:omath><i><span style="font-size:22.0pt"><span style="line-height:107%"><span style="font-family:"Cambria Math",serif"><m:r>σ <span style="font-size:12px;">and   one</span></m:r></span></span></span></i></m:omath></m:omathpara></span></span></span><span style="font-size:11pt"><span style="line-height:107%"><span style="font-family:Calibri,sans-serif"><m:omathpara><m:omath><i><span style="font-size:22.0pt"><span style="line-height:107%"><span style="font-family:"Cambria Math",serif"><m:r>π<span style="font-size:11px;">    </span></m:r></span></span></span></i></m:omath></m:omathpara></span></span></span></p>
8	Which of the following moleules has zero dipole moment.	<p>BF3</p> <p>NH3</p> <p>CHCl3</p> <p>H2O</p>
9	An ionic compound A+B is most likely to be formed when	<p>The ionization eenrgy of A is high and electron affinity of B is low </p> <p>The ionization energy of A is low and electron affinity of B is high</p> <p>Boht the ionization energy of A and electron affinity of B are high</p> <p>Both the ionization energy of A and electron affinity of B are low.</p>
10	Chemical bond formation taken pace when	<p>Force of attractio areequal to the force or repulsion</p> <p>Forece of repulsion is greater than force of attraction</p> <p>Force of attraction overcomes force of repulsion</p> <p>None of these</p>

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