Page 144 - Theory and Problems of BEGINNING CHEMISTRY
P. 144
CHAP. 8] CHEMICAL EQUATIONS 133
Ans. (a)SO 2 + H 2 O −→ H 2 SO 3 (n) 2 HClO 3 + ZnO −→ Zn(ClO 3 ) 2 + H 2 O
(o) BaCl 2 + Na 2 SO 4 −→ BaSO 4 + 2 NaCl
(b) BaO + H 2 O −→ Ba(OH) 2
(c)4 Al + 3O 2 −→ 2Al 2 O 3 (p) AgNO + KCl −→ AgCl + KNO 3
3
(d)2 Na + S −→ Na 2 S (q) NaOH + H 2 SO 4 −→ NaHSO 4 + H 2 O
(e) MgO + CO 2 −→ MgCO 3 or 2 NaOH + H 2 SO 4 −→ Na 2 SO 4 + 2H 2 O
(f) 2 Al + 3Br 2 −→ 2 AlBr 3 (r) Ba(OH) 2 + 2 HClO 2 −→ Ba(ClO 2 ) 2 + 2H 2 O
(g)Ag + ZnCl 2 −→ NR (s) 2 C + O 2 (limited) −→ 2CO
(t) 2 C 5 H 10 + 15 O 2 (excess) −→
(h)Cl 2 + 2 KBr −→ 2 KCl + Br 2
10 CO 2 + 10 H 2 O
(i) BaSO 4 + NaCl −→ NR
electricity (u)C 5 H 10 + 5O 2 (limited) −→ 5CO + 5H 2 O
(j) 2 NaCl(l)−−−→2Na + Cl 2
(v)C 5 H 10 O + 7O 2 (excess) −→ 5CO 2 + 5H 2 O
(k) KCl + HNO 3 −→ NR
(w)2 C 5 H 10 O + 9O 2 (limited) −→
(l) C + O 2 (excess) −→ CO 2 10 CO + 10 H 2 O
(m)KOH + HNO 3 −→ KNO 3 + H 2 O
