Fsc Part 1 Chemistry MCQ's Test For Full Book With Answers

Fsc Part 1 Chemistry MCQ's Test For Full Book

Sr. # Questions Answers Choice
1

Which of the following  is essential for hydrogen bond formation.

 <p>Hydrogen&nbsp; bonded to a metal</p> <p>Hydrogen bonded to high electongtive atoms F,O, or N</p> <p>Hydogen boned to non pola ratom&nbsp;</p> <p>Present of pi bond</p>
2

What types of force is hydrogen bonding.

 <p>Ionic bond</p> <p>A special type of dipole dipole force&nbsp;</p> <p>Metalic Bond</p> <p>London Dispersion force</p>
3

What  cause the polarity in amolecule like CHCl2

 <p>Equal sharing of electrons</p> <p>Non Polar Bond</p> <p>Uneven&nbsp; distribution of electrons creating positive and negative ceners</p> <p>Absence of hydronge atoms</p>
4

Which of the following  is a polar moleuce taht shows permanent dipole interactions.

 <p>CHCl</p> <p>CH4</p> <p>Cl2</p> <p>H2</p>
5

Which of the following compounds exhibites permanent  dipole permanent dipole intersctions.

 <p>HCl</p> <p>Cl2</p> <p>CH4</p> <p>O2</p>
6

Which of the folloing has the lowest boiling point among pentane isomers.

 <p>2-2 Dimethylpropane</p> <p>n -Pantane</p> <p>2 Methyle Butane</p> <p>Isohexane</p>
7

Which hydrocarbon has a higher boiling point due to longer chain length.

 <p>C6H14</p> <p>C2H6</p> <p>C2H8</p> <p>CH3</p>
8

Which  of the folloowing halogens has the highest boiling point.

 <p>I2</p> <p>Cl2</p> <p>F2</p> <p>Br2</p>
9

The expasnsion of liqudis increae with temperature is 

 <p>What happens to the kinetic energy of liquid molecules when cooled.</p> <p>Increases</p> <p>Remain unchanged</p> <p>Decreases, and the liquid may turn into solid</p> <p>Becomes Zero</p>
10

The expansion of liquids increase with temperatur eis.

 <p>Equa to that of gases</p> <p>Greater than that of gases</p> <p>Negligible copared to gasses</p> <p>Same as solids</p>
11

According to kinetic molecualr theor liquid molecules are.

 <p>At rest</p> <p>Vibrating in fixed positions</p> <p>In constant random motion&nbsp;</p> <p>Only movng when heated</p>
12

Liquid are approximately how many times less compressible than gases.

 <p>10</p> <p>105</p> <p>100</p> <p>1000</p>
13

What causes the lower compressibility of liquids compared to gaes.

 <p>Absence of intermolecular forces</p> <p>Larger mollecular size</p> <p>Stonger intermolecualr fores and less empty space</p> <p>High kinetic energy of molecules</p>
14

Which of the following statemetns is true about diffusion in liquids?

 <p>Liquids do not diffuse at all</p> <p>Liqudis diffuse faster than gases</p> <p>Liquids diffuse slower than gases due tos tonger intermolecular forces</p> <p>Liquids diffuse only when heated</p>
15

What i the rearranged form of the idela gas equation to calculate molar mass of a gas.

 <p>M=PVn/RT</p> <p>M =PV /MRT</p> <p>M = m RT/PV</p> <p>M = RT/PV m</p>
16

The ideal gas equation is given as.

 <p>PV =nRT</p> <p>PV=RT</p> <p>PV = nRT/V</p> <p>None of these</p>
17

According to Avodgaro's Law, volume is directly propertional to.

 <p>Pressure&nbsp;</p> <p>Temperature&nbsp;</p> <p>Number of moles</p> <p>Density</p>
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