Arrange the following anions in decreasing order of stability :
`H-overset(O)overset(||)C-underset((P))overset(Ɵ)CH-overset(O)overset(||)C-H`
`CH_(3)-overset(O)overset(||)C-underset((Q))overset(Ɵ)CH-overset(O)overset(||)C-H`
`CH_(3)-overset(O)overset(||)C-overset(Ɵ)CHunderset((R))-overset(O)overset(||)C-underset(* *)overset(* *)O-CH_(3)`

O_(2)N-underset((P))CH_(2)-overset(O)overset(||)C-OH Me_(3)overset(o+)N-underset((Q))CH_(2)-overset(O)overset(||)C-OH NC-CH_(2)underset((R))-overset(O)overset(||)C-OH HO-overset(O)overset(||)Cunderset((S))-overset(O)overset(||)C-OH:

Arrange the following compound is decreasing order of macheophillic addection reation (I) CH_(3)-overset(O)overset(||)(C)-CH_(3) (II) CH_(3)-overset(O)overset(||)(C)-CI (III) CH_(3)-overset(O)overset(||)(C)-NH_(2) (Iv) CH_(3)-overset(O)overset(||)(C)-OH (V) CH_(3)-overset(O)overset(||)(C)-O-overset(O)overset(||)(C)-CH_(3)

Arrange the following compounds in decreasing order of nucleophilic addition reaction : CH_(3)-underset("I")overset(O)overset(||)C-CH_(3)" "CH_(3)-underset("II")overset(O)overset(||)C-Cl" "CH_(3)-underset("III")overset(O)overset(||)C-OH " "CH_(3)-overset(O)overset(||)underset(IV)C-NH_2 " "CH_(3)-overset(O)overset(||)C-underset(V)O-overset(O)overset(||)C-CH_(3)

The IUPAC name of CH_(3)-overset(OH)overset(|)underset(H)underset(|)(C)-CH_(2)-overset(O)overset(||)(C)-CH_(3) is:

Aoverset(O_(3))underset(Me_(2)S)(to)H-overset(O)overset(||)C-CH_(2)CH_(2)-overset(O)overset(||)C-overset(O)overset(||)C-CH_(2)-CH_(2)-overset(O)overset(||)CH A is one of the product .A can be:

The molecules CH_(3)-overset(O)overset(||)C-CH_(2) -overset(O)overset(||)C-O-C_(2)H_(5) and CH_(3)-overset(OH)overset(|)C-OH-overset(O)overset(||)C-O-C_(2)H_(5) are

Decreasing order of enol content of the following compound in liquid phase I) CH_(3)-overset(O)overset(||)C-CH_(2)-overset(O)overset(||)C-O-Et II) CH_(3)-overset(O)overset(||)C-CH_(2)-overset(O)overset(||)C-CH_(3) III) Ph-overset(O)overset(||)C-CH_(2)-overset(O)overset(||)C-Ph