Tes Awal Modul 4

What are anions?

• Anions are neutral particles

• Anions are positively charged ions

• Anions are atoms with no charge

• Anions are negatively charged ions

2NaNO₂ + H₂SO₄ >>>

• 4NO + Na₂H₂SO₄

• NO₂ + NaH₂SO₄

• 2NO₂ + Na₂H₂SO₄

• NO₂ + NaHSO₄

Name two types of anions based on charge ?

• Monovalent cations and divalent cations

• Cationic anions and neutral anions

• Tri-valent anions and quad-valent anions

• Monovalent anions and divalent

What is a common anion found in table salt?

• Sodium (Na+)

• Chloride (Cl-)

• Potassium (K+)

• Bicarbonate (HCO3-)

This is potassium permanganate solution in test tube 1 and due to presence of a gas it changes to a state in test tube 2.

Identify the anion which is not passed in the test tube 1..

• carbonate

• bromide

• sulphite

• nitrite

Identify the anion present in this gas.

• nitrite ion

• nitride ion

• nitrate ion

• nitrogen

Which anion can be detected using barium chloride or barium nitrate solution?

• Chloride

• sulphide

• nitrate

• sulphate

Bantulah atha menyelesaikan permasalahan, sebuah senyawa pada saat ditambahkan H₂SO₄ akan menimbulkan gas berwarna merah dan membentuk kabut diudara, anion apakah yang teridentifikasi?

• HCl

• NO₂

• Br

• SO₂

Bantulah rizal menyelesaikan permasalahan, sebuah senyawa pada saat ditambahkan H₂SO₄ akan menimbulkan uap violet disertai dengan uap asam seiring SO₂ dan H₂S, anion apakah yang teridentifikasi?

• Iodine

• Iodide

• Bromide

• Sulfide

Which anion is responsible for the sour taste in vinegar?

• nitrate ion

• acetate ion

• chloride ion

• sulphate ion