* 15. The set-up was used by a student from Sky High School to prepare and collect dry hydrogen gas. hydrogen solid N liquid B (a) Identify three mistakes in this set-up. (b) Name liquid B. 13 marks (I mark (c) Suggest a possible solid which can be used as solid N in the set-up. (1 man (d) Name a suitable catalyst in this reaction. (e) Hydrogen produced can be passed over heated lead(ll) oxide to determine one main property of this gas. (i) (ii) (iii) What property of hydrogen is determined in 15(e) above? Write down the chemical equation in 15e(i). Name the black solid that can be turned to red-brown when hydro is passed over it when it is hot. Define:

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ChapterU6: Showtime: Reversible Reactions And Chemical Equilibrium
SectionU6.2: How Backward: Reversible Reactions
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15. The set-up was used by a student from Sky High School to prepare and collect
dry hydrogen gas.
hydrogen
solid N
liquid B
(a) Identify three mistakes in this set-up.
(b) Name liquid B.
13 marks
(I mark
(c) Suggest a possible solid which can be used as solid N in the set-up. (1 man
(d) Name a suitable catalyst in this reaction.
(e) Hydrogen produced can be passed over heated lead(ll) oxide to determine
one main property of this gas.
(i)
(ii)
(iii)
What property of hydrogen is determined in 15(e) above?
Write down the chemical equation in 15e(i).
Name the black solid that can be turned to red-brown when hydro
is passed over it when it is hot.
Define:
Transcribed Image Text:* 15. The set-up was used by a student from Sky High School to prepare and collect dry hydrogen gas. hydrogen solid N liquid B (a) Identify three mistakes in this set-up. (b) Name liquid B. 13 marks (I mark (c) Suggest a possible solid which can be used as solid N in the set-up. (1 man (d) Name a suitable catalyst in this reaction. (e) Hydrogen produced can be passed over heated lead(ll) oxide to determine one main property of this gas. (i) (ii) (iii) What property of hydrogen is determined in 15(e) above? Write down the chemical equation in 15e(i). Name the black solid that can be turned to red-brown when hydro is passed over it when it is hot. Define:
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