| 1 |
Which of the followig molecules has a dipole moment.
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<p>CO2</p>
<p>CS2</p>
<p>SO2</p>
<p>CCl4</p>
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| 2 |
The shape of ICl5 according to the VSEPR model is
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<p>T shape</p>
<p>Tetrahedral</p>
<p>Trigonal panar</p>
<p>Trigonal bipyramidal</p>
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| 3 |
Which of the following species has unparied electonrs in antibonding molecular orbitals.
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<p>O2 <sup>2+</sup></p>
<p>N 2 <sup> 2-</sup></p>
<p>B</p>
<p>F2</p>
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| 4 |
The numbers of σ and π bonds in the N2 molecule are.
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<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>
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| 5 |
Which of the following moleules has zero dipole moment.
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<p>BF3</p>
<p>NH3</p>
<p>CHCl3</p>
<p>H2O</p>
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| 6 |
An ionic compound A+B is most likely to be formed when
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<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>
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| 7 |
Chemical bond formation taken pace when
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<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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| 8 |
d-block elements are also called.
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<p>Inner transition</p>
<p>Outer transition</p>
<p>Typical transition</p>
<p>None</p>
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| 9 |
Which of the following atoms show anomalous configuration.
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<p>Cu</p>
<p>CO</p>
<p>Fe</p>
<p>Ni</p>
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| 10 |
No two electrons in an atom have same all four quantum numbers, this is called.
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<p>Aufbau Principle</p>
<p>Hund's rule</p>
<p>Pauli's exclusing principle</p>
<p>None</p>
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| 11 |
In which subshell electrons are filled first according to n+1 rule.
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<p>2p</p>
<p>3p</p>
<p>4p</p>
<p>4s</p>
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| 12 |
Subshells in an atom are filled with electrons in an increasing order of their energy values called.
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<p>aufbau pricniple</p>
<p>Hund's rule</p>
<p>Pauli's Exclusion Principle</p>
<p>None</p>
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| 13 |
In n = 3, then elecron sin this shell are.
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<p>2</p>
<p>8</p>
<p>18</p>
<p>32</p>
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| 14 |
How many d-orbitals are showing their lobes along axis.
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<p>1</p>
<p>3</p>
<p>2</p>
<p>All</p>
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| 15 |
The space orientation for f-subshell is.
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<p>3</p>
<p>7</p>
<p>1</p>
<p>5</p>
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| 16 |
The shape of d-orbitals are like
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<p>Complicated</p>
<p>Polar</p>
<p>Spherical</p>
<p>Cloverleaf</p>
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| 17 |
Electronic cloud around teh nucleus is uniformly distributed in all directions in.................subshell
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<p>f</p>
<p>s</p>
<p>d</p>
<p>p</p>
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