MCQ
Bromination of $(E)-2$ -butenedioic acid gives
- ✓$(2R, 3S)-2, 3$ -dibromosuccinic acid
- B$(2R, 3R)-2, 3$ -dibromosuccinic acid
- Ca mixture of $(2R, 3R)$ and $(2S, 3S)-2, 3$ -dibromosuccinic acid
- D$(2S, 3S)-2, 3$ -dibromosuccinic acid
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$\mathrm{Cu}_{(\mathrm{s})}+2 \mathrm{Ag}^{+}\left(1 \times 10^{-3} \,\mathrm{M}\right) \rightarrow \mathrm{Cu}^{2+}(0.250\, \mathrm{M})+2 \mathrm{Ag}_{(\mathrm{s})}$
$\mathrm{E}_{\mathrm{Cell}}^{\ominus}=2.97\, \mathrm{~V}$
$\mathrm{E}_{\text {cell }}$ for the above reaction is $....\,V.$ (Nearest integer)
[Given : $\log 2.5=0.3979, T=298\, \mathrm{~K}]$