Arrange the following in their nucleophilicity order.
(I) `C_(6)H_(5)O^(Theta)`
(II) `C_(6)H_(5)S^(Theta)`
(III) `C_(6)H_(5) - overset(Theta)CH_(2)`
(IV) `CH_(3)-overset(O)overset(||)C-overset(Theta)CH_(2)`

Arrange the following in correct order of their stability ? (I) CH-=overset(Theta)C " "(II) CH_(2)=overset(Theta)CH " "(III) CH_(3)-overset(Theta)CH_(2)

Arrange the following in the increasing order of acidic strength (I) H_(2)CO (II) CH_(3)CHO (III) C_(6)H_(5)CH_(2)CHO (IV) CH_(3)-overset(O)overset(||)C-CH_(2)-overset(O)overset(||)C-CH_(3)

CH_(3)-overset(O)overset(||)(C)-C_(2)H_(5) & CH_(3)-overset(O)overset(||)(C) - cannot be distinguished by

Correct order of basic strength is :- (I) CH_(3)-overset(O)overset(||)C-NH_(2) (II) C_(6)H_(5)-NH_(2) (III) H_(2)N-overset(NH)overset(||)C-NH_(2) (IV) C_(6)H_(5)-overset(O)overset(||)C-NHCHO

Correct order of basic strength is :- (I) CH_(3)-overset(O)overset(||)C-NH_(2) (II) C_(6)H_(5)-NH_(2) (III) H_(2)N-overset(NH)overset(||)C-NH_(2) (IV) C_(6)H_(5)-overset(O)overset(||)C-NHCHO

Arrange the following anions in increasing order of stability and give reasons: CH_(2)=overset(Theta)(C)H,CH_(3)overset(Theta)(C)H_(2),CH-=overset(Theta)(C)

Rank the following free radicals in order of decreasing stability (I)C_(6)H_(5) " "overset(.)CHC_(6)H_(5)" "(II)C_(6)H_(5)- overset(.)CH - CH = CH_(2) (III)CH_(3)-overset(.)CH - CH_(3)" "(IV) C_(6)H_(5)- overset(.)CH - CH_(3) (V) CH_(3)CH " "CHCH_(2)overset(.)CH_(2) (VI) CH_(3) - CH_(2) - underset(CH_(3))underset(|)overset(.)C-CH_(3)

Consider the following carbocations (I) C_(6)H_(5)overset(+)CH_(2) , (II) C_(6)H_(5)CH_(2)overset(+)CH_(2) (III) C_(6)H_(5)overset(+)CHCH_(3) , (IV) C_(6)H_(5)overset(+)C(CH_(3))_(2) The correct sequence for the stability of these is

Consider the following carbocations (I) C_(6)H_(5)overset(+)CH_(2) , (II) C_(6)H_(5)CH_(2)overset(+)CH_(2) (III) C_(6)H_(5)overset(+)CHCH_(3) , (IV) C_(6)H_(5)overset(+)C(CH_(3))_(2) The correct sequence for the stability of these is