Quiz 26 Flashcards
- What type of isomerism is exhibited by the pairs CH3COCH3 and CH3CH2CHO ?
skeletal isomers
position isomers
functional group isomers
tautomers
functional group isomers
- ______ involves electron transfer from one atom to another?
covalent bonding
ionic bonding
hydrogen bonding
metallic bonding
ionic bonding
- Which of the following is responsible for the abnormally high boiling point of water?
covalent bonding
hydrogen bonding
high polarity
large dielectric constant
hydrogen bonding
- Which of the following is most soluble in water?
hexanol
benzene
acetic acid
acetylene
acetic acid
- Which of the following has a dipole moment of zero?
CH4
CH3Cl
H2O
HF
CH4
- Reactions which occur in a single step.
series reactions
homogenous reactions
parallel reactions
elementary reactions
elementary reactions
- The Lucas test is used to determine the types of:
alcohols
amines
acids
amino acids
alcohols
- The element with atomic number 58 belongs to :
Halogens
Lanthanoids
Actinoids
Chalcogens
Lanthanoids
- The product obtained by the fermentation of wet cellulose is
ethane
methane
ethyne
ethene
methane
- A process which produces chemical links between the loosely coiled polymeric chains, thus elasticity occurs because the chains can be stretched and the crosslinks cause them to spring back when the stress is released.
crosslinking
polymerization
anelasticity
vulcanization
vulcanization
- It is the ability of an atom to attract electrons.
electron affinity
ionization energy
electronegativity
hydrogen bonds
electronegativity
- It is a type of bond formed by the head-to-head overlap of atomic orbitals.
pi bond
hydrogen bond
covalent bond
sigma bond
sigma bond
- An acid found in vinegar.
citric acid
formic acid
stearic acid
acetic acid
acetic acid
- When an unsymmetrical reagent adds to an unsymmetrical alkene, the positive portion of the reagent adds to the carbon that results in the formation of the more stable carbocation.
Markovnikov’s rule
Saytzeff rule
van’t Hoff rule
Williamson synthesis
Markovnikov’s rule
- Which of the following is a shark liver oil?
menthol
oil of cedar
squalene
oil of celery
squalene
- The maximum number of optical isomers possible for a compound is 2n, where n is the number of chiral carbons.
van’t Hoff rule
Markovnikovs rule
Saytzeff rule
Enentiomers
van’t Hoff rule
- It refers to the number of reactive groups in a molecule.
degree of polymerization
functionality
molecularity
reactivity
functionality
- It is the resistance of a test specimen to bending stress.
tensile strength
flexural strength
rupture strength
ultimate strength
flexural strength
- A positive result in Schiff’s test means presence of
ketones
aldehydes
amine
ether
aldehydes
- It is a hydrocarbon chain which is composed of two or more different mer units.
monopolymers
polymers
copolymers
oligomers
copolymers
- A polymer molecular structure in which the mer units are joined together end to end in single chains.
linear
branched
crosslinked
network
linear
- It denotes a situation in which atoms are linked together in the same order (head-to-tail) but differ in their spatial arrangement.
allotropy
polymorphism
stereoisomerism
isomerism
stereoisomerism
- A copolymer whose mer units are randomly dispersed along the chain.
random copolymer
alternating copolymer
block copolymer
graft copolymer
random copolymer
- It is the attraction between like molecules.
absorption
diffusion
adhesion
cohesion
cohesion
- The hydrate named as sodium carbonate decahydrate is commonly called
baking soda
washing soda
soda lime
caustic soda
washing soda
