Science Quiz / yr1 chemistry (episode I)

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HintAnswer
primary and secondary can be oxidised by an o________ a_______
a _____ denotes side chains or functional groups
c-h is a pure _____ bond
simple molecular structures have ___ boiling points and melting points
smaller peak next to the molecular ion peak is called the ______ peak
name a type of subshell (/4)
name mno4-
which has a higher ionisation energy: oxygen or nitrogen?
shape of a sulfate ion
transition metals can form several ions with different ____
number of lone pairs in an octahedral molecule
giant covalent structures (elements) (/3)
which polar bond do alcohols contain? (x-y)
electrons in same orbital have opposite ___
first aliphatic alkene in homologous series
simple molecular structures form from simple molecules bonding together via w____ l______ f_____
alcohols experience which type of intermolecular bond (due to the presence of the hydroxyl func group)
shape of a carbonate ion
what type of alcohol is 2-methylbutan-2-ol
classification of an alcohol depends on number of hydrogen atoms and _____ groups attached to the carbon bonded to the OH group
a _____ denotes only functional group
4s subshell empties ____ the 3d sub shell
name a type of subshell (/4)
is carbon dioxide is polar or non polar
a homologous series of aliphatic hydrocarbons (/3)
absorbing IR radiation causes bonds to b_____ more
bond angle in a molecule with a pyramidal shape
down a group, atomic radius _______
dipoles in carbon dioxide c_____ o___
C-F bond requires a______ amount of energy to break
electrons in same orbital have opposite spins to conteract the repulsion of the two ____ c_____
max number of electrons in n3
separation of opposite charges called a
bonded atoms with similar electronegativities share a ___ ___ bond
The ____ denotes the number of carbon atoms in the longest continuous chain in the molecule
which type of element is not present in pauling scale?
the simplest whole number ratio of atoms of each element in a compound
greenhouse gases absorb the longer wavelength IR radiation because it is the same frequency as the _____ ______ of their bonds
stereoisomerism occurs around a double carbon bond because rotation around the bond is r______
the number of particles in each mole of carbon-12
all electrons that share same orbital shape and same energy level are in the same
how many byproducts are formed by oxidation of aldehyde to carboxylic acid
All electrons that have the same value for n
to obtain an aldehyde, heat a ____ alcohol with acidified potassium dichromate
down a group, first ionisation energy _____
giant covalent structures (elements) (/3)
metals lose electrons to form c ___
name oh-
combustion is e_______
P_ (phosphorus)
much of the sun's visible and IR radiation is _____ by atmospheric gases
requirement for molecule to have E/Z isomerism (/2)
to find the empirical formula you must first calculate the number of ____
as no carbon chain increases in an alcohol, _____ heat is released per mol combusted
for oxidation of alcohols, you must use a e_____ of acidified potassium dischromate (VI)
which intermolecular forces do alkanes experience
how many alkyl groups does a primary alcohol contain (not counting c(oh)h2)
stereoisomers have a ______ arrangement of atoms within a space
bonded electron pair is shared unequally between bonded atoms
what scale compares the electronegativity of different elements
how many alkyl groups are bound to c-oh in a secondary alcohol?
no carbon atoms in chain= 4 (stem)
a homologous series of aliphatic hydrocarbons (/3)
avogadro constant
a metallic structure contains billions of atoms held together in a g________ m_______ l______
name a type of subshell (/4)
type of radiation absorbed by most bonds
sharp decrease in melting point between groups _
across a period, nuclear charge ____
number of orbitals in n3
an alcohol with the same number of carbon atoms as an alkane is ____ soluble in water
number of lone pairs in a non linear molecule
higher boiling point of alcohols compared to alkanes due to which intermolecular bonds having to be broken?
number of orbitals in n2
(h2)c=c(h)(c2h5) will not have stereoisomerism because of the position of which element
how many hydrogens does the c-oh in a primary alcohol bind to
atoms are joined by covalent bonds that vibrate naturally around a c_______ p______
Which is the weakest carbon-halogen bond?(i.e C-X)
iodoalkanes react faster than bromoalkanes or chloroalkanes or fluoroalkanes or all of them
a homologous series of aliphatic hydrocarbons (/3)
Units for number of particles in a substance
as a carbon chain increases, alchols and alkanes have more _____ properties
molecular ions fragment into molecular ions and ____
trans isomer relates to E or Z stereoisomer?
in a c=c bond each carbon contributes an electron to the pi bond from which orbital?
number of lone pairs in a linear shaped molecule
a bond bending depends on... (/2)
no carbon atoms in chain= 5 (stem)
compounds with a low volatility have a ___ boiling point
type of stereoisomerism (/2)
a region of space with high probability of finding an electron
a bond stretching behaves like a simple harmonic of a s______
name co3(2-)
across a period, nuclear attraction ____
a negative charge cloud with shape of an orbital
name cr2o7(2-)
name nh4+
heavier atoms vibrate _____
name of a process to calculate molecular mass
Which has a higher energy level: Boron or Beryllium?
HintAnswer
cis isomer relates to E or Z stereoisomer?
max electrons in an p orbital
during mass spec. some molecular ions break down into ____
order of filling subshells 3p, 4s, ___
is more or less energy required to break a C-I bond than C-Cl bond
greater the shell number, ___ the p orbital from nucleus
number of moles * molar mass =
during combustion you need a p______ supply of oxygen to yield co2 and water
electronegativity difference in a covalent bond
falls in ionisation energy across periods exist when a new ________ starts getting filled
max electrons in an s orbital
the compound the chemist is trying to prepare via organic synthesis is called the _______ molecule
how many chemical species does fragmentation produce?
sulfur found in molecules containing multiples of _ sulfur atoms
E/Z Isomerism only occurs in compounds with a c _ c bond
cr2o7 (2-) is reduced to cr _+
orbitals have different ____
number of lone pairs in a trigonal planar molecule
vibrating bonds of greenhouse gases eventually re-emit the radiation that increases ________ of atmosphere close to earths surface
number of lone pairs in a pyramidal molecule
ionisation energy ______ during electron pairing in p orbitals
no of carbon atoms in chain=2 (stem)
amount a bond vibrates increases with ______
a not very electronegative atom p____
most electronegative atoms are n___ _____
what type of alchol is pentan3ol
shape of a nitrate ion
requirement for molecule to have E/Z isomerism (/2)
stereoisomers have the same s______ f_______
name so3(2-)
max electrons in a d orbital
if the molecular formula is n2o4, what is the empirical formula?
cause of different electron sharing between different covalently bonded chemical species (/3)
number of lone pairs in a tetrahedral molecule
dipoles in carbon dioxide are equal and act in ______
an alcohol with the same number of carbon atoms as an alkane has a _____ melting point
greenhouse gas (/3)
water is a ____ molecule
non metals gain electrons to form a___
no carbon atoms in chain= 9 (stem)
bond angle in a molecule with a linear shape
colour of solution containing chromium(III) ions
which chemical species are not detected by a mass spectrometer (as they are uncharged)
S_ (sulfur)
exception to alcohol classification
which haloalkane bond is the strongest carbon-halogen bond?(ie C-X)
do you reflux or distil a primary alcohol with acidified potassium dichromate to obtain a carboxylic acid
compares mass of formula unit with mass of an atom of carbon 12
cause of different electron sharing between different covalently bonded species (/3)
max number of electrons in n4
a not very electronegative atom l___
3d subshell is a _____ energy level than 4s sub shell
4s subshell fills ____ the 3d sub shell
three elements form a single compound with a suffix ___
a region that can hold two electrons of opposing spin
a very electronegative atom n___
m+1 peak caused by _______ isotope
a dipole in a polar covalent bond is _________
what type of alcohol is propan-2-ol
carbon dioxide contains two ___ bonds
reaction of oxygen and alcohol called a c________ reaction
bond angle in a molecule with a non linear shape
giant covalent structures (elements) (/3)
across a period there is ________ shielding
max number of electrons in n2
why are c-h bonds non polar
what type of alcohol is 2-methylpropan2-ol?
shape around a c=c bond
radiation re-emitted from greenhouse gases causes g______ w______
an alcohol with the same number of carbon atoms as an alkane is _____ volatile
in metals, the position of cations maintain shape and s_____
molecular ion peak known as the:
number of mol of [O] for oxidation of one mole of primary alcohol to aldehyde
each new shell gains a new type of _____
colour of solution containing dichromate(VI) ions
alkyl group suffix
greater shell number, greater ___ of spherical s orbitals
melting points are comparatively low in groups _ to _
mass spectrometer detects which ratio? (hint: m/z)
simple molecular structure of phosphorus
process of molecular ions (in mass spec) breaking down is called
the dipoles in water __ __ _ out
a rhythmic movement along line between atoms so distance between atomic centres increases and decreases (s____)
which type of stereoisomerism can occur in an alkane with no functional group?
a very electronegative atom f____
which mass spec peak is higher: M^+ or M+1 ?
for each carbon in a c=c bond in an alkene, how many electrons are used in a pi bond?
name hco3-
pi bond is formed by the sideways overalp of two ___ orbitals
number of mol of [o] for oxidising a primary alcohol to a carboxylic acid
E/Z isomerism can occur in a smaller range of compounds than _____ isomerism
no carbon atoms in chain= 3 (stem)
number of bonded pairs in an octahedral molecule
a bond bending causes a change in
name no2-
number moles = mass / ____
number of orbitals in n4
a primary alcohol
greenhouse gas (/3)
name oxidising agent used in aldehyde synthesis
HintAnswer
units used specially for natural frequency of a bond (as opposed to frequency in general which is hertz)
vibrations of most bonds observed in the range ___-4000cm^-1
absorbing IR radiation causes bonds to s______ more
positive ions form in mass spectrometer are called
in a solid metal structure, electrons are pooled and are d______
oxidation of primary alcohol to an aldehyde yields one mole of which by-product
algebraic expression for no. of electrons in a shell
rate of hydrolysis dependson the ____ of the carbon-halogen bond
type stereoisomerism (/2)
name no3-
across a period the similar shielding due to same ____ being occupied
no carbon atoms in chain= 8 (stem)
stronger bonds vibrate ____
what type of alcohol is methanol
a very electronegative atom o__
bond angle in a molecule with an octahedral shape
radiation from the sun is absorbed and re-emitted from earth's surface in l_____ w_____ form
number of bonded pairs in a tetrahedral molecule
down a group, there are more inner shells causing ______
number of atoms of each element in a molecule
mass spectrometer detects the m/z ratio of the ______ ______
why does nitrogen have a higher ionisation energy than oxygen?
number of bonded pairs in a linear molecule
name po4(3-)
in mass spec, each molecule fragments differently depending on their ________
simple molecular structure of oxygen
the attraction of a bonded atom to the pair of electrons in the covalent bond
compares mass of molecule with mass of an atom of carbon12
in c=c bond in an alkene how many fo each carbon's electrons are used in sigma bonds
name a type of subshell (/4)
melting point increases from group 1 to group _
a double bond prevents r_____ of the carbons
molecular ions formed in mass spectra by _____ an electron
dipoles in water act in ______ direction(s)
bond angle around c=c
oxidising agent for carboxylic acid synthesis is a solution of potassium dichromate in dilute ______ acid
no carbon atoms in chain= 7 (stem)
giant structures have ___ boiling points and melting points
mass spectrum of each compound is u___
ionic compounds are ____ in polar solvents
bond angle in a molecule with a tetrahedral shape
alkenes are are u_______ hydrocarbons
does 3d10 come before/after 4s2 in electron config.
number of bonded pairs in a non linear molecule
no carbon atoms in chain= 10 (stem)
within a subshell, the orbitals have same _____
molecular ion peak is the clear ____ at the highest m/z value
why does electronegativity increase across the periodic table (/2)
natural frequency vales are very ______
is rate of hydrolysis faster for fluoroalkanes or iodoalkanes
giant covalent structures are held together by strong ______ bonds
why is methanol an exception to alcohol classification?
in a solid metal structure, cations remain fixed contain the positive nuclei and i______ e______
no of carbon atoms in chain= 1 (stem)
m/z ratio of compound represented by m/z ratio of the
any particular bond can only absorb radiation that has the ____ _____ as the natural frequency of the bond
a not very electronegative atom s____
why does electronegativity increase across the periodic table (/2)
number of bonded pairs in a pyramidal molecule
greenhouse gas (/3)
electronegativity difference in a polar covalent bond
down a group, nuclear attraction on outer electrons ______
shells are e___ ____
bond angle in a molecule with a trigonal planar shape
simple molecular structure of nitrogen
in hydrolysis which bond in a haloalkane is replaced by a C-OH bond
bonds can absorb ______ radiation
amount of a substance that contains 6.02 x10^23 particles
across a period the first ionisation energy ______
cause of different electron sharing between different covalently bonded species (/3)
in a ___ bond the electron bond is shared equally
do you distil or reflux in production of aldehydes
rate of hydrolysis increases as the strength of a carbon-halogen bond _______
number of orbitals in n1
mass spectra used to identify m______ m_____ of an organic compound
shells contain atomic ____
no carbon atoms in chain=6 (stem)
type of isomers with different arrangement of atoms in a space (with same structural formula)
atoms in molecules are in constant m_____
alkanes are unreactive due to their bonds being ___ ____
name so4(2-)
a double bond counts as how many bonded regions?
pi-electron density is concentrated a______ a____ b____ the line joining the nuclei of bonding atoms
as the hydrocarbon chain increases in length, alcohol solubility in water ____
max number of electrons in n1
polar solvents attract charged ions in an _____ l_____
how many alkyl groups is the c-oh in a tertiary alcohol bound to
aliphatic alkene general formula
two elements form a single compound with a suffix of ____
which type of alkenes do not obey the general formula?
vibrations of most bonds observed in range 200-_____cm^-1
dichromate (VI) ions are reduced to ___ 3+ ions
simple molecular structure of sulfur
6.02x10^23
in a solid metal structure, cations are f______ in position
a bond bending depends on... (/2)
number of bonded pairs in a trigonal planar molecule
electronegativity difference in an ionic bond (greater than _)
volatile compounds have a ___ boiling point
mass spectra gives information about s_____ of the organic compound

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