Science Quiz / yr1 chemistry (episode I)

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

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Created Nov 9, 2016ReportNominate
Tags:Chemistry Quiz, ultra

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