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Chemistry
Hot concentrated sulphuric acid is a moderately strong oxidizing agent. Which of the following reaction does not show oxidizing behaviour?
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Q. Hot concentrated sulphuric acid is a moderately strong oxidizing agent. Which of the following reaction does not show oxidizing behaviour?
NEET
NEET 2016
Redox Reactions
A
$Cu +2 H _2 SO _4 \longrightarrow CuSO _4+ SO _2+2 H _2 O$
13%
B
$3 S +2 H _2 SO _4 \longrightarrow 3 SO _2+2 H _2 O$
11%
C
$C +2 H _2 SO _4 \longrightarrow CO _2+2 SO _2+2 H _2 O$
14%
D
$CaF _2+ H _2 SO _4 \longrightarrow CaSO _4+2 HF$
62%
Solution:
$1^{st}$ reaction is not a redox reaction as the oxidation number of elements remains unchanged.