CHEMISTRY CLASS-10TH (MCQs=1504)

Molecular formula of pentyl is………
a) C₄H₉                                   
b) C₅H₁₁
c) C₃H₇                                  
d) C₂H₅

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C3H7 ___ is the molecular formula of……..
a) propyl                                              
b) pentyl
c) butyl                                 
d) ethyl

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A………is an atom or group of atoms that is responsible for the specific properties of an organic molecule.
a) functional group                           

b) amines
c) ketones                                             

d) aldehyd

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All compounds that contain ………functional group have similar properties and can be classified together in the…homologous series.
a) same , same     

b) same , different
c) different , same              

d) different , different

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Organic compounds are composed of………
a) hydrogen part 

b) functional group part
c) both a & b                                        

d) none of these

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