Answer:
Hexanol has the highest boiling point.
Explanation:
Boiling points of all give compounds are as follow,
Hexanol = 157 °C
Hexanal = 129 °C
Hexanone = 128 °C
Hexane = 68 °C
Types of Interactions found in these compounds are,
Hexanol = Hydrogen Bonding & London Dispersion Forces
Hexanal = Dipole-Dipole Interactions & London Dispersion Forces
Hexanone = Dipole-Dipole Interactions & London Dispersion Forces
Hexane = Only London Dispersion Forces
Strength of Intermolecular Forces:
Hydrogen forces are stronger than Dipole-Dipole Interactions, and Dipole-Dipole Interactions are stronger than London Dispersion Forces.
Result:
Hence, due to presence of strong Hydrogen Bond Interactions Hexanol has the highest Boiling Point.
answer : the correct option is, (B) 2, 3 and 6.
Answer:
- <em>The percent error</em>, % error, is <u>2.1%</u> (option f)
Explanation:
<u>1) Data:</u>
<u></u>
a) Experimental value, m₁ = 105.2 amu
b) Known value, m = 107.5 amu
b) % error = ?
<u>2) Formulae:</u>
a) absolute error = | experimental value - known value|
b) % error = [ absolute value / known value ] × 100
<u>3) Solution:</u>
a) absolute error = | m₁ - m | = | 105.2 amu - 107.5 amu | = 2.3 amu
b) % error = [ 2.3 amu / 107.5 amu ] × 100 = 2.1% ← answer
What it is made of?
A) Water and Salt- salt is solute, water is solvent
B) Water and Sugar- sugar is solute, water is solvent
C) Water and HCl- HCl is solute, water is solvent
D) Water and NaOH- NaOH is solute, water is solvent
Which of these substances would be a poor conductor of electricity?
Water and Sugar make a poor conductor because sugar does not ionize in water. The other 3 solutions have solutes that ionize and make good conductors.
