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Cl-overset(O)overset(||)C-OC(2)H(5)under...

`Cl-overset(O)overset(||)C-OC_(2)H_(5)underset(CH_(3)MgBr)overset(1"mole")toAunderset(1"mole")overset(CH_(3)MgBr)toBunderset(H_(2)O)overset(CH_(2)MgBr)toCoverset(H^(+)//Delta)toD`

A

`CH_(3)-overset(O)overset(||)C-OC_(2)H_(5)`

B

`CH_(3)-overset(O)overset(||)C-CH_(3)`

C

`CH_(3)-underset(OH)underset(|)overset(CH_(3))overset(|)C-CH_(3)`

D

`CH_(3)-overset(CH_(3))overset(|)C=CH_(2)`

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HOCH_(2)CH_(2)CH_(2)-overset(O)overset(||)(C)-OCH_(2)CH_(3) overset(PC C)(to) (A) underset((1 "molar equivalent"))overset(H_(2)C = CHMgBr)(to) (B) overset(NH_(4)Cl//H_(2)O)(to)(C)overset(KOH)underset(H_(2)O)(to)overset(H_(3)O^(o+))(to) underset("Pyridine")overset((CH_(3)-overset(O)overset(||)(C))_(2)O)(to)(D) Product (D) is :

CH_(3)-overset(O)overset(||)(C)-CH_(2)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C)-CHOoverset(KOH,H_(2)O)to(A) , product A is

{:(,"Column (I)","Column (II)"),(,(a)PhMgBr+CO_(2)overset(H_(3)^(oplus)O)rarr,P.Nucleophilic addition reaction),(,(b)CH_(3)MgBr+Ph-overset(O)overset(||)C-Cloverset(H_(3)^(oplus)O)rarr,Q.Nucleophilic addition elimination reaction),(,(c)CH_(3)MgBr+Ph-overset(O)overset(||)C-OC_(2)H_(5)overset(H_(3)^(oplus)O)rarr,R.Ph-overset(OH)overset(|)underset(CH_(3))underset(|)C-CH_(3)),(,(d)PhMgBr+CH_(3)-overset(O)overset(||)C-CH_(3)overset(H_(3)^(oplus)O)rarr,S.PhCOOH):}

For the given four structures , I to IV, which of the following is correct ? underset((I))(C_(2)H_(5)-overset(CH_(3))overset(|)(C)H-C_(3)H_(7)) underset((II))(CH_(3)-overset(O)overset(P)(C)-overset(CH_(3))overset(|)(C)H-C_(2)H_(5)) underset((III))(CH_(3)-overset(O)overset(P)(C ) -overset(C_(2)H_(5))overset(|)(C ) H -C_(2)H_(5)) underset((IV))(C_(2)H_(5)-overset(CH_(3))overset(|)(C)H-C_(2)H_(5))

Write IUPAC Name : (a) CH_(3)-CH_(2)-underset(CH_(3))underset(|)underset(CH_(2))underset(|)CH-overset(O)overset(||)C-OCH_(3) (b) CH_(3)-underset(" "CH=CH_(2))underset(|)(CH)-CH_(2)-overset(O)overset(||)C-OC_(2)H_(5) (c) > CH_(3)-overset(CH_(3))overset(|)underset(CH_(3))underset(|)C-overset(" "overset(O)overset(||)C-NH_(2))overset(|)(CH)-underset(CH_(3))underset(|)(CH)-CH_(3)

The end product of following reaction is underset((1))overset(CH_3MgBr)tounderset((2))overset(PhMgBr)tounderset((3))overset(H^(o+))to