In acidic medium, dichromate ion oxidize ferrous ion to ferric ion. If the gram molecular weight of potassium dichromate is 294  g, its equivalent weight is: (a) 19 (b) 49 (c) 99 (d) 294 | Numerade
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The dichromate ion absorbs light of wavelength close to 500 nm. Based on thisinformation, what can you conclude?Select one:? a. The dichromate ion absorbs in the ultraviolet region.? b. The dichromate ion absorbs outside the visible region.? c. The dichromate ion absorbs in the visible region.? d. Solutions of the dichromate ion are colourless.A graph of a sample's absorbance at different wavelengths is calledSelect one:? a. chromatograph? b. spectrum? c. monograph? d. calibration curve
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In the form of dichromate, Cr (VI) is a strong oxidising agent in acidic medium but Mo (VI) in MoO3 and W (VI) in WO3 are not because: (i) Cr (VI) is more stable than Mo (VI) and W (VI). (ii) Mo (VI) - Chemistry | Shaalaa.com
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