CHEMISTRY CLASS-10TH (MCQs=1504)

The molecular formula of ethane is………..
a) C2H2

b) C4H2                 

c) C2H4

d) CH4

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C4H8  is the molecular formula of ………….
a) butane                                              

b) butylene
c) both a & b                                       

d) none of these

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The condensed formula of hexane is ………..
a) CH2=CH2                         

b) CH2=CHCH2CH3
c) CH2=CHCH3   

d) CH2=CH(CH2)3CH3

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Alkene is prepared from saturated hydrocarbon by an …………….. reaction.
a) combustion                                     

b) addition
c) neutralization                  

d) elimination

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In a ………reaction, atoms are removed from a molecule to form a double or triple bond.
a) elimination                                     

b) combustion
c) addition                                            

d) hydrogenation

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