Resonance structures of propenal are given below. Which of these resonating structures is more stable ? Give reason for your answer.
`CH_(2)=underset("I")(CH-CH)=O harr underset("II")(overset(o+)(CH)_(2)-CH=CH-overset(Theta)(O))`

Which of the following is the arranged more stable carbocation of the given species ? CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-overset(o+)CH-CH_(3)to

In the following sets of resonating structure, lable the major and minor contributors towards resonance hybrid. (P)underset("(I)")(CH_(3)-overset(Theta)CH-C-=N)harrunderset("(II)")(CH_(3)CH=C=overset(..)N:^(Theta))" (Q)"underset("(I)")(CH_(3)-overset(Theta)CH-CH=CH-NO)harrunderset("(II)")(CH_(3)-CH=CH-CH=overset(o+)underset(O^(Theta))underset(|)N-O^(Theta)) (R)underset("(I)")(CH_(3)-CH_(2)-overset(o+)underset(""NH_(2))underset(|)(C)-NH_(2))harrunderset("(II)")(CH_(3)-CH_(2)-underset(""NH_(2))underset(|)(C)=overset(o+)NH_(2))" (S)"underset("(I)")(CH_(3)-overset(O)overset(||)C-overset(Theta)CH-overset(O)overset(||)C-CH_(3))harrunderset("(II)")(CH_(3)-overset(O^(Theta))overset(|)C=CH-overset(O)overset(||)C-CH_(3)

Complete the reaction : CH_(3)-underset(CH_(3))underset(|)(CH)-O-CH_(2)-CH_(3)overset(HI)rarr

Arrange the following resonating structures in the order of decreasing stability : underset(("Vinyl chloride"))underset((I))(CH_(2)=CH-ddotunderset(..)CI: )harrunderset((II))( :overset(Theta)(CH_(2))-CH=overset(o+)underset(..)CI: )harrunderset((III))(overset(o+)CH_(2))-CH=underset(..)ddotCI^(Theta)

Draw the resonance structures of the following compounds. (a) CH_(2) = CH - underset(..)overset(..)(Cl): (b) CH_(2) = CH - CH = CH_(2) (c) CH_(2) = CH - underset(H)underset(|)(C) = O

Draw the possible resonance for CH_(3)- underset(..)overset(..)(O)-overset(+)(C)H_(2) and predict which of the structures is more stable. Give reason for your answer.

Correct order of stability of the following resonating structure is CH_(2)=underset((a))(CH)-overset(O)overset(||)C-Hharroverset(Theta)(C)H_(2)-underset((b))(CH)=overset(Theta)overset(O)overset(|)(C)-Hharroverset(Theta)overset(* *)(C)H_(2)-underset((c ))(CH)=overset(o+)overset(O)overset(|)(C)-H