WorksheetsCarbon and its compounds QUIZ 2
Total questions: 10
Worksheet time: 5mins
Carbon forms four covalent bonds by sharing its four valence electrons with four univalent atoms, e.g., hydrogen. After the formation of four bonds, carbon attains the electronic configuration of
helium
neon
argon
krypton
Oils on treating with hydrogen in the presence of palladium or nickel catalyst form fats. This is an example of
Addition reaction
Substitution reaction
Displacement reaction
Oxidation reaction
In which of the following compounds, -OH is the functional group?
Butanone
Butanol
Butanoic acid
Butanal
Ethanol reacts with sodium and forms two products. These are
sodium ethanoate and hydrogen
sodium ethanoate and oxygen
sodium ethoxide and hydrogen
sodium ethoxide and oxygen
Which of the following represents saponification reaction?
CH3COONa + NaOH →CH4 + Na2CO3
CH3COOH + C2H5OH → CH3 COOC2H5 +H2O
2CH3COOH + 2Na → 2CH3 COONa + H2
CH3COOC2H5 + NaOH → CH3 COONa + C2 H5OH
In diamond, each carbon atom is bonded to four other carbon atoms to form
a hexagonal array
a rigid three-dimensional structure
a structure in the shape of a football
a structure of a ring
Diamonds can be synthesised by subjecting pure carbon to
high temperature
Low pressure
high temperature and low pressure
high temperature and high pressure
Which of the following will give a pleasant smell of ester when heated with ethanol and a small quantity of sulphuric acid?
CH3COOH
CH3CH2OH
CH3OH
CH3CHO
Saturated hydrocarbons give……………… flame while unsaturated carbon compounds give………..flame.
Clean, green
Green, yellow
Clean, yellow
Clean, blue
Ethanol reacts with Conc. Sulphuric acid gives………………
Methane
Methanol
Ethene
Ethanol
