(a) −OH group exhibits +M effect and hence increases the electron density on the o and p positions

(b) Oxo cation is more stable than the carbocation

Both (a) and (b)

−OH group exhibits acidic character

22.44^o

90^o

9.4^o

0.44^o

E1

E2

SN1

SN2

RCOOH is more stable than RCOO⁻

RCOO⁻ is more stable than RCOOH

RCOO⁻ and RCOOH do not show resonating structures

All of the above

−CN

−NH₂

−NHR

−NHCOR