underset((a)) overset(Ө)(CH_(3))," " underset((b))overset(Ө) (CH_(3)CH_(2)) a gt b (stability)
Write the resonance structures of (1) CH_3 COO^(Ө) and (2) CH_2 = CH - CHO . Indicate the relative stability of the contributing structures.
Write correct order of acidic strength of following compounds: (i). (a). CH_(3)-CH_(2)-O-H (b) CH_(3)-underset(CH_(3))underset(|)(C)H-O-H (c) CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C)-O-H (A). a gt b gt c (B). a lt b lt c (C). a gt c gt b (D). b gt a gt c (ii). (a). F-CH_(2)-CH_(2)-O-H , (b) NO_(2)-CH_(2)-CH_(2)-O-H (c). Br-CH_(2)-CH_(2)-O-H , (d). overset(o+)(NH_(3))-CH_(2)-CH_(2)-O-H (A). d gt b gt a gt c (B). d lt b lt a lt c (C). c gt b gt a gt d (D). d gt a gt b gt c (iii). (a). CH_(3)COOH (b). CH_(3)CH_(2)OH (c). C_(6)H_(5)OH (d). C_(6)H_(5)SO_(3)H (A). d gt a gt c gt b (B). d lt a lt c lt b (C). d gt a gt b gt c (D). a gt d gt c gt b
Arrange in decreasing pK_(a) (a) F - CH_(2) CH_(2) COOH (b) Cl - underset(Cl)underset(|) (CH) - CH_(2) - COOH (c) F - CH_(2) - COOH (d) Br - CH_(2) - CH_(2) - COOH Correct answer is
Compare the stability of the following carbanion (a) overset(Ө)CH_(2) - CF_(3)" "(b) overset(Ө)CH_(2) - C Cl_(3) (c) overset(Ө)CH_(2) - CBr_(3)
Consider the following carbanions (i) CH_(3)- overset(Ө)CH_(2)" "(ii) CH_(2) = overset(Ө)CH" "(iii) CH -= overset(Ө)C Correct order of stabilityof these carboanions in decreasing order is
Compare the stability of the following compounds (a) overset(+)CH_(2) - CF_(3) " " (b)overset(+) CH_(2) - C Cl_(3) (c) overset(+)CH_(2) - CBr_(3) " " (d) overset(+)CH_(3)
Compare the stability of the following free Radical. (a) CH_(3) - overset(.)CH_(2) " "(b)CH_(2) = overset(.)CH " "(c) CH = overset(.)CH
Compare the stability of the following carbocation : (a) overset(+)CH_(2) - F " "(b) overset(+)CH_(2) - Cl (c) overset(+)CH_(2) - Br" "(d) overset(+)CH_(2) - l
