Chlorine is a reactive element. It forms many compounds. Complete Table 2.1 to show the maximum oxidation number of the elements $$$\mathrm{Na}$$$ to $$$\mathrm{P}$$$ in their chlorides.

Chemistry

IGCSE&ALevel

CAIE

Exam No：9701_s23_qp_22 Year：2023 Question No：2(a)(i)

Answer:

Knowledge points:

6.1.1 calculate oxidation numbers of elements in compounds and ions

6.1.2 use changes in oxidation numbers to help balance chemical equations

6.1.3 explain and use the terms redox, oxidation, reduction and disproportionation in terms of electron transfer and changes in oxidation number

6.1.4 explain and use the terms oxidising agent and reducing agent

6.1.5 use a Roman numeral to indicate the magnitude of the oxidation number of an element

9.2.1 describe, and write equations for, the reactions of the elements with oxygen

9.2.2 state and explain the variation in the oxidation number of the oxides

9.2.3 describe, and write equations for, the reactions, if any, of the oxides with water including the likely pHs of the solutions obtained

9.2.4 describe, explain and write equations for, the acid / base behaviour of the oxides , MgO, and including, where relevant, amphoteric behaviour in reactions with acids and bases (sodium hydroxide only)

9.2.5 describe, explain, and write equations for, the reactions of the chlorides NaCl, with water including the likely pHs of the solutions obtained

9.2.6 explain the variations and trends in 9.2.2, 9.2.3, 9.2.4 and 9.2.5 in terms of bonding and electronegativity

9.2.7 suggest the types of chemical bonding present in the chlorides and oxides from observations of their chemical and physical properties

Chlorine is a reactive element. It forms many compounds. Complete Table 2.1 to show the maximum oxidation number of the elements $$\(\mathrm{Na}\)$$ to $$\(\mathrm{P}\)$$ in their chlorides.

Answer:

Knowledge points:

Solution:

Chlorine is a reactive element. It forms many compounds. Complete Table 2.1 to show the maximum oxidation number of the elements $$\(\mathrm{Na}\)$$ to $$\(\mathrm{P}\)$$ in their chlorides.

Answer:

Knowledge points:

Solution:

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