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Worksheetscarbon and its compounds
Total questions: 23
Worksheet time: 1hrs 9mins
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 is an alkane?
C3H6
C4H8
C5H12
C6H12
Which of the following is the molecular formula of cyclobutane?
C4H10
C4H6
C4H8
C4H4
The property of self-linkage among identical atoms to form long chain compounds is known
Superposition
Catenation
Isomerisation
Halogenation
From which of the following substance pencil lead is formed?
Charcoal
Wood
Lead
Graphite
Which of the followings is the major constituent of the liquefied petroleum gas?
Ethane
Methane
Propane
Butane
-Methane is a major constituent of
CNG
Bio-gas
Natural Gas
All the above
Covalent bonds
has low melting and boiling point
are generally poor conductors of electricity
has weak inter-molecular forces
All of the above
Benzene Formula is
C6H12
C6H8
C8H6
C6H6
General formula of Alkane is
CnH2n+4
CnH2n+2
CnH2n
CnH2n-2
Ketones are compounds
containing – OH group attached to alkyl group
containing – C=O group attached to alkyl group
containing –CHO group attached to alkyl group
containing – COOH group attached to alkyl group
The correct formula of formaldehyde is given by
HCHO
CH3 CHO
C2H5CHO
none of these
Which of the following gas is known as illuminating gas ?
Ethane
Ethene
Ethyne
Propane
Compounds that are composed of the same number and type of atoms but have them arranged in different ways are ___________.
isomers
isotopes
polymers
alkanes
Alkanes are saturated hydrocarbons. What does this mean?
There are some C=C double bonds present in the molecule
All C atoms are bonded by single covalent bonds
They are very reactive
They have both double and single bond between carbons
A hydrocarbon should have minimum how many carbon atoms to show isomerism?
Three
Four
Five
Six
Which of the following is/are alkyne?
C3H4
C4H8
C5H12
C6H10
Which of the following statements about graphite and diamond is true?
They have the same crystal structure
They have the same degree of hardness
They have the same electrical conductivity
They can undergo the same chemical reactions
How many carbons are there in the longest chain?
5
3
1
6
Which of the following compound is saturated hydrocarbon?
I CH3CH2CH2CH3
II CH3CHC(CH3)2
III CH3CH2CH(CH3)2
IV CH3CHCHCH3
I and III
II and IV
I, II and III
I, III and IV
Atomic No. of Carbon,No. of Electron,No. of Proton,No of electron is
12
7
6
4
Prefix But is used when no. of carbon are
1
3
4
5
