WorksheetsCarbon and its compound
Total questions: 30
Worksheet time: 10mins
The isomeric pair is
ethane and propane
propane and butane
ethane and ethane
butane and 2-methyl propane
Which of the following is used to oxidise ethanol to ethanoic acid?
Alkaline KMnO4
Conc. H2SO4
Acidified K2Cr2O7
All of above
Which is denatured spirit?
ethanol only
ethanol and methanol (50%)
ethanol and methanol (5%)
methanol only
The substance not responsible for the hardness of water is
Sodium nitrate
calcium hydrogen carbonate
calcium carbonate
magnesium carbonate
The by product of soap is
isoprene
glycerol
butene
ethylene glycol
Covalent compounds
have high melting and boiling point
are mostly soluble in water
are formed between atoms of metals and non-metals
are formed by the sharing of electrons in the bonding atoms.
Which of the following can be used for the denaturation of ethyl alcohol?
Methyl alcohol
Pyridines
Copper sulphate
All of above
Soaps are formed by saponification of
alcohols
glycosides
simple esters
carboxylic acids
Functional group – COOH is present in which of the following?
Ketone
Aldehyde
Alcohol
Carboxylic acid
A hydrocarbon should have minimum how many carbon atoms to show isomerism?
Three
Four
Five
Six
Subsquent members of homologus series differ by how many atomic mass units?
14
16
24
28
Butanone is a carbon compound with the functional group
carboxylic acid
aldehyde
ketone
alcohol
Complete combustion of hydrocarbon gives
CO + H2O
CO2 + H2O
CO + H2
CO2 + H2
General formula of alkyne is
CnH2n+2
CnH2n
CnH2n-2
CnH2n-1
Two neighbours homologus series differ by
-CH
-CH2
-CH3
-CH4
Which of the following is an unsaturated hydrocarbon
Acetylene
Butane
Pentane
Decane
The IUPAC name of the above compound is:
Heptyne
Heptene
Octyne
Octane
Mention the IUPAC name of the compound
3,3- dimethyl butane
2,2- dimethyl butane
2-ethyl,3-methyl propane
Hexane
The compound with molecular formula C3H6O2 is
Alcohol
Acid
Aldehyde
Ketone
1-propanol and 2-propanol are
chain isomers
position isomers
functional isomers
homologues
Micelles are_________.
soap molecules in clean water
drops of oil or dirt that surrounds the molecule
a tadpole shaped fatty acid
cluster of soap molecules surrounding the dirt particle
The non-polar hydrocarbon group of a soap molecule _________.
repels water but attracts oil and dirt particles
does not attract oil or dirt
faces outward towards the water
has a -COO-Na+ group
On heating ethyl alcohol with alumina at 350oC we get _________.
ethene
diethyl ether
acetaldehyde
ethane
The chlorination of methane, is an example of _________.
addition reaction
reduction reaction
elimination reaction
substitution chain reaction
The term 'Isomerism' applies to organic compounds with same
molecular formula but different structural formulae
molecular formula but different empirical formulae.
empirical formula but different molecular formulae.
structural formulae but different molecular formula.
The IUPAC name of simplest alcohol is
methanol
ethanol
ethyl alcohol
methyl alcohol
The functional group of ketones is
COOH
CH=O
>C=O
O
The correct formula of ethanol is
C2H6OH
C2H5OH
CH3OH
CH3CH2CH2OH
Give the IUPAC name
propanol
butanol
2-butanol
isobutanol
Which of the following properties is not true regarding organic compounds.
They are generally covalent compounds
Show isomerism
Compounds have high melting and boiling points.
Generally insoluble in water.
