Page 47 - EMODUL ASAM BASA REVISI

E-MODUL ASAM & BASA

Berbasis Guided Discovery Learning

 Basa Lemah

NH
3

OH −

NH +
4

(Nivaldo, 2011: 503)

Gambar 17. Reaksi ionisasi NH di dalam air
3

Tabel 7. Basa lemah dan reaksi ionisasinya

Nama Basa Lemah Reaksi Ionisasi

-
2-
2-
+ OH
Ion Karbonat (CO ) CO 3 (aq) + H O ⇌ HCO 3 (aq) - (aq)
3
2
(l)
+
Methylamin (CH NH ) CH NH 2(aq) + H O ⇌ CH NH 3 (aq) + OH - (aq)
2
3
3
(l)
3
2
+
Etilamin (C H NH ) C H NH 2(aq) + H O ⇌ C H NH 3 (aq) + OH - (aq)
5
2
2
5
2
2
(l)
5
2
+
Amonia (NH ) NH 3(aq) + H O ⇌ NH 4 (aq) + OH - (aq)
3
2
(l)
-
-
Ion Bikarbonat (HCO ) HCO 3 (aq) + H O ⇌ HCO 3(aq) + OH - (aq)
2
(l)
3
Piridin (C H N) C H N (aq) + H O ⇌ C H NH + (aq) + OH - (aq)
5
5
5
5
2
(l)
5
5
+
Anilin (C H NH ) C H NH 2(aq) + H O ⇌ C H NH 3 (aq) + OH - (aq)
5
2
(l)
5
5
6
2
6
6

Kelas XI SMA/MA 42