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Analytical Chemistry — Chemistry STD 10 — Question

ICSE BoardEnglish MediumSTD 10ChemistryAnalytical Chemistry1 Mark
MCQ
Which one is colourless anion?
  • ✓
    $HCO _3^{-}$
  • B
    $Cr 20_7^{2-}$
  • C
    $CrO _7^{2-}$
  • D
    $MnO _4^{-}$
✓

Answer

Correct option: A.
$HCO _3^{-}$

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