Analytical Chemistry

When NaOH solution is added to Zinc Nitrate solution

• Chalky White ppt formed

• Gelatinous White ppt formed

• Dirty Green ppt formed

• Reddish-brown ppt formed

Identify the Hydroxide soluble in NaOH solution

• Calcium Hydroxide

• Copper Hydroxide

• Ferric Hydroxide

• Zinc Hydroxide

Identify the compound formed when Copper Hydroxide reacts with Ammonium Hydroxide

• Tetraamminecopper( II ) Hydroxide

• Copper Nitrate

• Copper Hydrogen Carbonate

• Copper Nitride

Identify the compound soluble in water

• Zinc Hydroxide

• Sodium Zincate

• Lead Hydroxide

• Lead Sulphate

The ppt formed when Calcium Nitrate reacts with Sodium Hydroxide Solution

• Calcium Hydroxide

• Calcium Sulphate

• Calcium Chloride

• Calcium Oxide

The metal ion which can produce a coloured ion

• Ferric

• Lead

• Zinc

• Calcium

The Hydroxides which are soluble in NaOH solution

• Ferrous & Copper

• Ferric & Zinc

• Zinc & Lead

• Copper & Lead

The salt solution which cannot produce any ppt when treated with Ammonium Hydroxide Solution

• Copper Nitrate

• Lead Nitrate

• Zinc Nitrate

• Calcium Nitrate

The salts formed when Zinc Nitrate reacts with Sodium Hydroxide

• Zinc Oxide & Sodium Zincate

• Zinc Hydroxide & Sodium Zincate

• Zinc Carbonate & Zinc Hydroxide

• Zinc Oxide & Zinc Hydroxide

The compound formed when Zinc Hydroxide reacts with excess Ammonium Hydroxide

• Ammonium Carbonate

• Zinc Oxide

• TetraamineZinc(II) Hydroxide

• Sodium Zincate