f) Alkene X can be decomposed with hydrogen peroxide catalyzed by sodium tungstate to substance Q. This can be further degraded by iodoform reaction to substance R. Give the structures of substances Q and R. X S Na₂WO4 H₂O₂ (C9H1603) 1: NaOH, 1₂ 2: H* P₂O5 teplo - CHI3 R (C8H1404) P₂O5 teplo T

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f) Alkene X can be decomposed with hydrogen peroxide catalyzed by sodium tungstate to substance Q. This can be further
degraded by iodoform reaction to substance R. Give the structures of substances Q and R.
Xx
S
Na₂WO4
H₂O2
Q
(C9H1603)
1: NaOH, 1₂
2: H+
P₂O5
teplo
- CHI3
R
(C8H1404)
P₂O5
teplo
T
g) The preparation of substance Q from substance X using hydrogen peroxide is a redox reaction.
Identify the reductant and oxidant in this reaction, write the formal oxidation number
to the atoms where it changes during the reaction and calculate the reaction.
h) Substances Q and R undergo a reaction with phosphorous oxide under heating to form
various products T and S. Determine the structure of substances T and S if you know their H NMR :
1H NMR (S): 2.2 (t, 2H); 1.8 (t, 2H); 1.3 (s, 6H).
1H NMR (T): 4.6 (d, 1H); 4.3 (d, 1H); 2.2 (t, 2H); 1.5 (t, 2H); 1.3 (s, 6H).
Transcribed Image Text:f) Alkene X can be decomposed with hydrogen peroxide catalyzed by sodium tungstate to substance Q. This can be further degraded by iodoform reaction to substance R. Give the structures of substances Q and R. Xx S Na₂WO4 H₂O2 Q (C9H1603) 1: NaOH, 1₂ 2: H+ P₂O5 teplo - CHI3 R (C8H1404) P₂O5 teplo T g) The preparation of substance Q from substance X using hydrogen peroxide is a redox reaction. Identify the reductant and oxidant in this reaction, write the formal oxidation number to the atoms where it changes during the reaction and calculate the reaction. h) Substances Q and R undergo a reaction with phosphorous oxide under heating to form various products T and S. Determine the structure of substances T and S if you know their H NMR : 1H NMR (S): 2.2 (t, 2H); 1.8 (t, 2H); 1.3 (s, 6H). 1H NMR (T): 4.6 (d, 1H); 4.3 (d, 1H); 2.2 (t, 2H); 1.5 (t, 2H); 1.3 (s, 6H).
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