Which of the following show correct arrow pushing mechanism…

Which of the following show correct arrow pushing mechanism for an acid-base reaction. ©GMU@X@user.pk_string@X@ ©GMU@X@user.pk_string@X@ ©GMU@X@user.pk_string@X@ ©GMU@X@user.pk_string@X@ ©GMU@X@user.pk_string@X@ ©GMU@X@user.pk_string@X@ ©GMU@X@user.pk_string@X@ ©GMU@X@user.pk_string@X@ ©GMU@X@user.pk_string@X@ Do_NOT_Copy_or_Post_©GMU@X@user.pk_string@X@

Using the provided pKa table, which base(s) can deprotonate…

Using the provided pKa table, which base(s) can deprotonate methanol (CH3OH) essentially with irreversibility? ©GMU@X@user.pk_string@X@ ©GMU@X@user.pk_string@X@ ©GMU@X@user.pk_string@X@ ©GMU@X@user.pk_string@X@ ©GMU@X@user.pk_string@X@ ©GMU@X@user.pk_string@X@ ©GMU@X@user.pk_string@X@ ©GMU@X@user.pk_string@X@ ©GMU@X@user.pk_string@X@ Do_NOT_Copy_or_Post_©GMU@X@user.pk_string@X@