An organic compound containing one oxygen gives red colour with cerric ammonium nitrate solution , decolourise alkaline KMnO_(4) , respond iodoform test and show geometrical isomerism . It should be :

An organic compound containing one oxygen gives red colour with cerric

1.	An organic compound containing one oxygen gives red colour with cerric ammonium nitrate solution , decolourise alkaline KMnO_(4) , respond iodoform test and show geometrical isomerism . It should be :
Answer» `Ph-CH=CH-CH_(2)OH` `Ph-CH=CH-overset(OH)overset(\|)(CH)-CH_(3)` `Ph-CH=CH - UNDERSET(O)underset(\|\|)(O)-CH_(3)` Answer :B