SAT Chemistry - Carbon and Its Compounds
Exam Duration: 45 Mins Total Questions : 30
Reaction of bromine water and unsaturated hydrocarbon is an example of ____________ type of reaction
- (a)
Displacement
- (b)
Substitution
- (c)
Addition
- (d)
None of these
The inferior quality coal is
- (a)
Peat
- (b)
Anthracite
- (c)
Bituminous
- (d)
Lignite
1-pentene and 2-pentene are _____________ isomers
- (a)
chain
- (b)
position
- (c)
functional
- (d)
metamers
The compound which is aromatic is
- (a)
Cyclohexane
- (b)
Hexane
- (c)
Isopentane
- (d)
Benzene
Which of the following pairs exhibit chain isomerism?
- (a)
1-butene and 2-butene
- (b)
2-chloro pentane and 3-chloro pentane
- (c)
propanoic acid and methyl ethanoate
- (d)
1-pentene and 2-methyl-1-butene
The products obtained by the destructive distillation of coal are
- (a)
coke
- (b)
coal gas
- (c)
coal tar
- (d)
all of these
The bond between two identical non-metallic atoms has a pair of electron?
- (a)
unequally shared between two atoms.
- (b)
transferred completely from one atom to another.
- (c)
with identical spins
- (d)
equally shared between them
Propane with the molecular formula C3H8 has:
- (a)
7 covalent bonds
- (b)
8 covalent bonds
- (c)
9 covalent bonds
- (d)
10 covalent bonds
Cation is formed when:
- (a)
atom gains electrons
- (b)
atom loses electrons
- (c)
proton is lost by the atom
- (d)
atom shared by electrons
Which of the following has the weakest carbon-carbon strength?
- (a)
C2H2
- (b)
C2H4
- (c)
C2H6
- (d)
All have the same bond strength
Maximum number of bonds between two atoms of a covalent bond can be:
- (a)
Four
- (b)
Two
- (c)
Three
- (d)
One
The correct formula of ethanol is ______________.
- (a)
C2H6OH
- (b)
C2H5OH
- (c)
CH3OH
- (d)
CH3CH2CH2OH
In ethane (C2H6) each carbon atom is bonded to:
- (a)
Six atoms
- (b)
Three atoms
- (c)
Two atoms
- (d)
Four atoms
The polar end of the sodium stearate soap molecule C17H35COONa contains _________________.
- (a)
CH3(CH2)16-chain
- (b)
Na
- (c)
C17
- (d)
-COO-Na+ group
Carbon dioxide molecule contains
- (a)
single covalent bond
- (b)
double covalent bond
- (c)
triple covalent bond
- (d)
ionic bond
Which of e following is a saturated hydrocarbon?
- (a)
C2H6
- (b)
C2H4
- (c)
C2H5
- (d)
All of these
Which of the following is an aromatic compound?
- (a)
Cyclohexane
- (b)
Ethyne
- (c)
Phenol
- (d)
All of these
When alcohol reacts with sodium metal the gas evolved is
- (a)
O2
- (b)
CH2
- (c)
CO
- (d)
CO2
Which of the following has the lowest percentage of carbon?
- (a)
Peat
- (b)
Anthracite
- (c)
Bituminous
- (d)
Lignite
In graphite, the bonding between carbon atom is:
- (a)
Co-ordinate
- (b)
Ionic
- (c)
Covalent
- (d)
Electrostatic
Coal, on destructive distillation gives
- (a)
Charcoal
- (b)
Coke
- (c)
C-black
- (d)
Animal charcoal
Fullerenes are a cluster of ___________ atom held in a cage like structure
- (a)
Carbon
- (b)
Silicon
- (c)
Oxygen
- (d)
Hydrogen
_________ is used for making electrodes
- (a)
Diamond
- (b)
Charcoal
- (c)
Graphite
- (d)
Lamp black
6CO2+6H2O \(\overset { Sunlight }{ \underset { Chlorophyll }{ \longrightarrow } } \)
- (a)
H2CO3
- (b)
C6H12O6+6O2
- (c)
CO+H2
- (d)
C12H22O11
When excess of CO2 is passed through lime water, milkiness disappears due to formation of:
- (a)
CaCO3
- (b)
NaHCO3
- (c)
Ca(HCO3)2
- (d)
CaO
Which of the following gas is non combustiable
- (a)
CO
- (b)
CO2
- (c)
CH4
- (d)
H2
The gas formed by dehydration of formic acid is:
- (a)
CO2
- (b)
CO
- (c)
CH4
- (d)
H2
In its combined state, CO2 is mainly present as:
- (a)
Carbonate
- (b)
Phosphate
- (c)
Sulphate
- (d)
Chloride
Diamond shines due to its:
- (a)
High density
- (b)
High refractive index
- (c)
High melting point
- (d)
None of these
Ammonical liquor obtained during destructive distillation of coal is used for making
- (a)
Polymer
- (b)
Plastic
- (c)
Fertilizer
- (d)
None of these
