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6. Haloalkanes and Haloarenes — Chemistry STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceChemistry6. Haloalkanes and Haloarenes1 Mark
MCQ
Which is the best synthesis of .........?
  • ✓
    (image) $\xrightarrow[FeB{{r}_{3}}]{B{{r}_{2}}}\,\,\,\xrightarrow[{{H}_{2}}S{{O}_{4}}]{HN{{O}_{3}}}$  $\xrightarrow[{{H}_{2}}S{{O}_{4}}]{HN{{O}_{3}}}\,\,\xrightarrow[C{{H}_{3}}OH]{NaOC{{H}_{3}}}$
  • B
    (image) $ \xrightarrow[{{H_2}S{O_4}}]{{HN{O_3}}}\,\,\xrightarrow[{{H_2}S{O_4}}]{{HN{O_3}}} $ $\xrightarrow[{FeB{r_3}}]{{B{r_2}}}\,\,\xrightarrow[{C{H_3}OH}]{{NaOC{H_3}}}$
  • C
    (image) $\xrightarrow[{{H_2}S{O_4}}]{{HN{O_3}}}\,\,\xrightarrow[{FeB{r_3}}]{{B{r_2}}} $ $\xrightarrow[{{H_2}S{O_4}}]{{HN{O_3}}}\,\,\xrightarrow[{C{H_3}OH}]{{NaOC{H_3}}}$
  • D
    (image) $ \xrightarrow[{{H_2}S{O_4}}]{{HN{O_3}}}\,\,\xrightarrow[{FeB{r_3}}]{{B{r_2}}}$ $\xrightarrow[{C{H_3}OH}]{{NaOC{H_3}}}\,\,\xrightarrow[{{H_2}S{O_4}}]{{HN{O_3}}}$
✓

Answer

Correct option: A.
(image) $\xrightarrow[FeB{{r}_{3}}]{B{{r}_{2}}}\,\,\,\xrightarrow[{{H}_{2}}S{{O}_{4}}]{HN{{O}_{3}}}$  $\xrightarrow[{{H}_{2}}S{{O}_{4}}]{HN{{O}_{3}}}\,\,\xrightarrow[C{{H}_{3}}OH]{NaOC{{H}_{3}}}$
a

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