Class-11,Hydrocarbons

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Q1) Which of these fuels given below is not a hydrocarbon? *

1 point

LNG

LPG

Hydrogen

CNG

Q2) Saturated Hydrocarbons contain *

1 point

triple bonds

double bonds

single bonds

ionic bonds

Q3) in cycloalkanes carbon atoms form *

1 point

a zigzag chain

a open coiled chain

a an open chain

a closed chain or a ring

Q4) Which of these is not a characteristic of aromatic Hydrocarbons? *

1 point

they are special type of cyclic compounds

carbon atoms form a an open chain

they may contain double bonds

carbon atoms form a closed chain or ring

Q5) in the Wurtz reaction method of preparation of alkanes, the stoichiometric coefficient of Sodium is *

1 point

Q6) The number of possible conformational isomers of ethane is *

1 point

one

two

infinite

zero

Q7) boiling point of alkanes *

1 point

is independent of branching

is independent of molecular mass

increases with increase in molecular mass

decreases with increase in molecular mass

Q8) Halogenation of alkanes is a *

1 point

Elimination reaction

Substitution reaction

Addition reaction

Rearrangement reaction

Q9) In the alkene having IUPAC name 3-Methyl-1-butene the double bond lies on carbon atom numbered *

1 point

Q10) Stereoisomeric alkenes due to different arrangement of atoms or groups in space are referred to as *

1 point

geometric isomers

chain isomers

constitutional isomers

position isomers

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