As the length of a non-polar chain of an aliphatic alcohol increase, the solubility of the compound in a. Increases b. Decreases c. Same d. No effect water Depend on the total contribution of the atoms in the molecule or on the sum of the properties of the constituents in a solution a. Extensive property b. Colligative property c. Additive property d. Constitutive property a. Absence b. Homogeneity c. Uniformity d. Diffusion a. Colligative b. Additive An ideal gas is characterized by the complete of attractive forces between molecules Molecular weight and mass are examples of property c. Constitutive d. None of the above a. Molecules Gases are composed of discrete particles b. Electrons C. Protons d. Compounds a. Lower b. Higher C. Same d. No effect of a. Atomic weight b. Mole c. Mass number d. molecule a. Freezing point depression b. Boiling point depression c. Molality d. Molarity a. Misciblity b. Cosolvency c. Osmotic pressure d. Eutectic mixture A substance capable of hydrogen bonding has a boiling point than a similar substance that doesn't hydrogen bond The amount of the substance whose mass in grams is numerically equal to the molecular weight of the substance A colligative property A phenomenon where a solute is more soluble in a mixture of solvents than in one solvent alone a. Amorphous solids b. Liquid crystals c. Crystalline solids d. Powders Supercooled liquids in which molecules are arranged in a random manner
Electronic Effects
The effect of electrons that are located in the chemical bonds within the atoms of the molecule is termed an electronic effect. The electronic effect is also explained as the effect through which the reactivity of the compound in one portion is controlled by the electron repulsion or attraction producing in another portion of the molecule.
Drawing Resonance Forms
In organic chemistry, resonance may be a mental exercise that illustrates the delocalization of electrons inside molecules within the valence bond theory of octet bonding. It entails creating several Lewis structures that, when combined, reflect the molecule's entire electronic structure. One Lewis diagram cannot explain the bonding (lone pair, double bond, octet) elaborately. A hybrid describes a combination of possible resonance structures that represents the entire delocalization of electrons within the molecule.
Using Molecular Structure To Predict Equilibrium
Equilibrium does not always imply an equal presence of reactants and products. This signifies that the reaction reaches a point when reactant and product quantities remain constant as the rate of forward and backward reaction is the same. Molecular structures of various compounds can help in predicting equilibrium.
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![a. Increases
b. Decreases
c. Same
d. No effect
d. Vapor to liquid state
a. Colligative properties are
higher than non electrolytes
As the length of a non-polar chain of an aliphatic
alcohol increase, the solubility of the compound in
The following are true of electrolytes
water
b. Dissociate to form ions
c. All of the following choices
a. Extensive property
b. Colligative property
c. Additive property
d. Constitutive property
Depend on the total contribution of the atoms in the
molecule or on the sum of the properties of the
a. Keesom forces
b. Dispersion forces
c. lon-dipole forces
d. Hydrogen bonding
a. Immiscible with both liquids
b. Miscible with both liquids
c. Miscible with one of the
The attractive forces between polar molecules, that is
between molecules that possess dipole movement
constituents in a solution
An ideal gas is characterized by the complete
a. Absence
b. Homogeneity
c. Uniformity
d. Diffusion
a. Colligative
b. Additive
To increase the miscibility of partially miscible liquids,
add a substance
of attractive forces between molecules
Molecular weight and mass are examples of
liquids
d. Immiscible with one of the
property
liquids
a. Mole percent
b. Percent by weight
c. Mole fraction
d. Molality
a. Higher
b. Lower
c. Same
d. No effect
С.
Constitutive
d. None of the above
Ratio of the moles of one constituent of a solution to
a. Molecules
b. Electrons
c. Protons
d. Compounds
a. Lower
b. Higher
cC. Same
d. No effect of
a. Atomic weight
b. Mole
c. Mass number
Gases are composed of discrete particles
the total moles of all constituents
In general, substances with stronger intermolecular
boiling points than those with
A substance capable of hydrogen bonding has a
boiling point than a similar substance that
doesn't hydrogen bond
forces have
weaker forces
a. Less than 1 part solute
b. 100-1000 parts solvent
c. More than 10,000 parts of
Relatively insoluble
The amount of the substance whose mass in grams is
numerically equal to the molecular weight of the
substance
the solvent
d. molecule
d. Less than 10,000 parts of the
a. Freezing point depression
b. Boiling point depression
с. Molality
d. Molarity
a. Misciblity
b. Сosolvency
c. Osmotic pressure
A colligative property
solvent
a. Ionly
b. Il only
c. I and II
d. I and III
The temperature at which a pure liquid and solid exist
in equilibrium is
Freezing point
Boiling point
Melting point
The number of moles per liter of the solution
I.
A phenomenon where a solute is more soluble in a
I.
mixture of solvents than in one solvent alone
I.
a. Normality
b. Molarity
c. Molality
d. Mole fraction
a. Boiling point
b. Viscosity
c. Melting point
d. All of these
d. Eutectic mixture
a. Amorphous solids
b. Liquid crystals
c. Crystalline solids
d. Powders
a. Diffusion
b. Osmosis
c. Fractional distillation
Supercooled liquids in which molecules are arranged
in a random manner
Which of these typically increases when
intermolecular forces increase
The passage of a solvent into a solution through a
semipermeable membrane
a. Completely miscible
b. Immiscible
c. Partially miscible liquids
d. Slightly miscible
Two liquids which diss
d. Microfiltration
proportions are said to
Screenshc
a. Solid to liquid state
b. Solid directly to vapor
c. Liguid to yapor state
Sublimation is transformation of matter from
The screer
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![a. Solubility increases with
increased particle size
b. Solubility increases with
Which of the following statements is true
C.
200 mg of solute and 100 ml
of solvent
d. 20 g of solute and 80 g of
solvent
a. Boyle's law
b. Charles' law
C. Hinery's Law
d. Raoult's law
Density of the substance to
that of alcohol
b. Density of an oil to that of
decreased particle size
c. Solubility decreases with
P1V1=P2V2
increased particle size
d. Solubility decreases with
decreased particle size
a. HCI
b. HBr
Which of these molecules exhibits hydrogen bonding
Specific gravity is the ratio of the
a
as its major intermolecular force of attraction when
dissolved in water
C.
C. HF
d. All of these
substance
All are non electrolytes except:
c. Density of a substance to
that of water
a. I, II, V
b. II, IV, V
C. II, V
d. I,I
I.
Urea
d. None of the above
Hydrochloric acid
Glycerin
Ephedrine
II.
a. Cubic
b. Hexagonal
C. Monoclinic
d. Triclinic
a. Within molecules
II.
Boric acid is an example of
crystal system
IV.
V.
Naphthalene
a. Tand II
b. Il and II
c. Tand III
d. I, II, and II
Intermolecular forces of attraction occur when:
I.
The binding forces that exist between
molecules
Occur when the positive pole of one molecule
is close to the negative pole of the other
When the electron clouds of the two
Intermolecular forces are the forces that exist
b. Between molecules
II.
a. Increases
As temperature increases, the solubility of most gases
b. Decreases
c. Unaltered
d. Remain constant
Molecular weight
b. Mass
c. Optical activity
d. temperature
a. Liquid
b. Solid
II.
molecules interpenetrate
a. Lowered
b. Raised
c. Unaltered
d. Developed
a. ITonly
b. I, II, II
C. I, I
d. I, II
The vapor pressure of a solution
by the
Example of constitutive property
a.
presence of a solute
C.
Colligative property/ies include(s)
Elevation of boiling point
Increased of vapor pressure
Matter has a definite shape when it is
I.
I.
C.
Gas
II.
Osmotic pressure
d. Mixture
a. Increases
b. decreases
An increase in temperature
of a liquid
The following are drug/pharmaceutical agents that
exhibit polymorphism except
the surface tension
Fluorine
Hydrogen forms a bridge with the following, except
a.
b. Polypeptide
c. Oxygen
d. Magnesium
a. Liquid
a. Theobroma oil
-
b. Penicillin
c. Chloramphenicol
d. Carbamazepine
a. Water and alcohol
An example of solutions; carbonated is in the form of
b. Solid
which phase
The following combinations are completely miscible,
. Gas
d. Liquid crystal
a. Atomic weight
b. Electrolyte example
c. Molecular weight
d. Jons present
a. Covalent bonding
London dispersion forces
с.
b. Water and ether
except
C. Alcohol and acetone
d. Glycerin and refined alcohol
a. 20 g solute and 100 g of
Example of additive property
A 20% solution by weight has
solvent
b. 20 g of solute and 100 ml of
Which of these is not an intermolecular force
solvent
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