Arrange the following groups in the order of decreasing (-effect.
A. CN > F > Br > Cl > COOH > I > H
B. COOH > CN > F > Br > Cl > I > H
C. H > COOH > CN > I > Cl > F > Cl
D. CN > COOH > F > Cl > Br > I > H
Answer:D
Arrange the following groups in the order of decreasing (-effect.
A. CN > F > Br > Cl > COOH > I > H B. COOH > CN > F > Br > Cl > I > H C. H > COOH > CN > I > Cl > F > Cl D. CN > COOH > F > Cl > Br > I > H
Explanation: The correct order is- CN > COOH > F > Cl > Br > I > H.