(i) Potassium nitrate
(ii) Calcium hydroxide
(iii) Ammonium sulphate ions And symbols
Answers
Explanation:
(a) Potassium Chloride:
Symbol Valency
Potassium K 1+
Chlorine Cl 1-
Positive ions are written first
On interchanging the valencies
Formula = KCl_{ }KCl
(b) Sodium Bromide
Symbol Valency
Sodium Na 1+
Bromide Br 1-
Positive ions are written first
On interchanging the valencies
Formula = NaBrNaBr
(c) Potassium Nitrate
Symbol Valency
Potassium K 1+
Nitrate [[> widget id="7" <]] 1-
Positive ions are written first
On interchanging the valencies
Formula = K\left[NO_3\right]K[NO
3
]
(d) Calcium hydroxide
Symbol Valency
Calcium Ca 2+
Hydroxide OH 1-
Positive ions are written first
On interchanging the valencies
Formula = Ca\left[OH\right]_2Ca[OH]
2
(e) Calcium bicarbonate
Symbol Valency
Calcium Ca 2+
Bicarbonate [[> widget id="10" <]] 1-
Positive ions are written first
On interchanging the valencies
Formula = NO_3NO
3
(f) Sodium Bisulphate
Symbol Valency
Sodium Na 1+
Bisulphate [[> widget id="13" <]] 1-
Positive ions are written first
On interchanging the valencies
Formula = Na\left[HSO_4\right]Na[HSO
4
]
(g) Potassium Sulphate
Symbol Valency
Potassium K 1+
Sulphate [[> widget id="16" <]] 2-
Positive ions are written first
On interchanging the valencies
Formula = K_2\left[SO_4\right]K
2
[SO
4
]
(h) Zinc Hydroxide
Symbol Valency
Zinc Zn 2+
Hydroxide OH 1-
Positive ions are written first
On interchanging the valencies
Formula = Zn\left[OH\right]_2Zn[OH]
2
(i) Potassium permanganate
Symbol Valency
Potassium K 1+
Permanganate [[> widget id="21" <]] 1-
Formula = K\left[MnO_4\right]K[MnO
4
]
Answer:
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Explanation:
- KNO3
- Ca(OH)2
- (Na4)2So4