The Group 14 elements show a change from non-metallic to metallic character down the group. Tin forms an amphoteric oxide, $$\(\mathrm{SnO}_{2}\)$$. Suggest the formula of the tin compound that forms when $$\(\mathrm{SnO}_{2}\)$$ reacts with $$\(\mathrm{H}_{2} \mathrm{SO}_{4}\)$$ in an acid-base reaction. ......................................................................................................................................... tal: 20]
Exam No：9701_w24_qp_23 Year：2024 Question No：3(f)
Answer:
Knowledge points:
10.1.1 describe, and write equations for, the reactions of the elements with oxygen, water and dilute hydrochloric and sulfuric acids
10.1.2 describe, and write equations for, the reactions of the oxides, hydroxides and carbonates with water and dilute hydrochloric and sulfuric acids
10.1.3 describe, and write equations for, the thermal decomposition of the nitrates and carbonates, to include the trend in thermal stabilities
10.1.4 describe, and make predictions from, the trends in physical and chemical properties of the elements involved in the reactions in 10.1.1 and the compounds involved in 10.1.2, 10.1.3 and 10.1.5
10.1.5 state the variation in the solubilities of the hydroxides and sulfates
Solution:
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