15mL gaseoushydrocarbon(A)was requiredforcompletecombustion 357 ml of air(21% oxygen byvolume ) andgaseous produects occupied 327ml (all volume geingmesuredat STP ). (A) underset( ("monochlorination"))underset( Cl_(2).hv)to (B) ( number of isomers including stereiosmers )(A) and (B) underset( "(dichlorination )")overset( Cl_(2)hv)to( C)( numberof isomers incuding stereoisomrs ) themolecularformulaof thehydrocarbon (A) is :

15mL gaseoushydrocarbon(A)was requiredforcompletecombustion 357 ml of

1.	15mL gaseoushydrocarbon(A)was requiredforcompletecombustion 357 ml of air(21% oxygen byvolume ) andgaseous produects occupied 327ml (all volume geingmesuredat STP ). (A) underset( ("monochlorination"))underset( Cl_(2).hv)to (B) ( number of isomers including stereiosmers )(A) and (B) underset( "(dichlorination )")overset( Cl_(2)hv)to( C)( numberof isomers incuding stereoisomrs ) themolecularformulaof thehydrocarbon (A) is :
Answer» `C_(2)H_(6)` `C_(2)H_(4)` `C_(3)H_(6)` `C_(3)H_(8)` Answer :D