Page 76 - Chemistry - XII

CO 2-
3

CO +2HCl 2Cl +H O+CO

2
3 2 2

CaOH+CO CaCO +H O
2
2
3
2

Limee water White ppt.

CaCO+CO +H O CaHCO
3 2 2 3 2
Soluble

MgSO
4
2
CO +MgSO MgCO +SO 2
3 4 3 4
SO 2-
3
2
SO+ BaCl BaSO +2Cl
3 2 3
White ppt.

BaSO +2HCl BaCl +H SO
3 2 2 3
S
olublee

2
2
2KMnO+5SO+3H SO 2MnSO+ KSO+5SO+3H O
4 3 2 4 4 2 4 4 2
Colourless

2
2
KCrO +3SO +4HSO 4Cr SO +3SO +K SO +4HO
2 2 7 3 2 4 2 4 3 4 2 4 2

Na Fe CN NOS

Na S + Na Fe CN NO 4
2 2 5 5
V iolet colouration

2
S+ CH COOPb PbS +2CH COO
3 2 3

Black ppt.
2
S+CdCO CdS+CO 2
3
3
Yellow ppt.
NO - 2

NO +CHCOOH CH COO+ HNO
2 3 3 2