This question is about two salts, NaI and NaCl . The two solid salts are separately added to warm concentrated $$\(\mathrm{H}_{2} \mathrm{SO}_{4}\)$$ and the results noted. Aqueous solutions of the two salts are separately added to $$\(\mathrm{AgNO}_{3}(\mathrm{aq})\)$$ and then concentrated $$\(\mathrm{NH}_{3}(\mathrm{aq})\)$$ is added and the results noted. Which row is correct?

A.
B.
C.
D.
Chemistry
IGCSE&ALevel
CAIE
Exam No:9701_m24_qp_12 Year:2024 Question No:21

Answer:

C

Knowledge points:

11.2.1 describe the relative reactivity of the elements as oxidising agents
11.2.2 describe the reactions of the elements with hydrogen and explain their relative reactivity in these reactions
11.2.3 describe the relative thermal stabilities of the hydrogen halides and explain these in terms of bond strengths

Solution:

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