Observe the following reaction and answer the following questions :

1.	Observe the following reaction and answer the following questions : The structure of Q_(1) is :
Answer» `Ph-UNDERSET(O^(Ө))underset(\|)C=CH-underset(O)underset(\|\|)C-H` `Ph-underset(O^(Ө))underset(\|)C=C=underset(O^(Ө))underset(\|)C-H` `Ph-underset(O)underset(\|\|)C-CH=underset(O^(Ө))underset(\|)C-H` `Ph-underset(O)underset(\|\|)-OVERSET(Ө)(CH)-underset(O)underset(\|\|)C-H` ANSWER :C

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