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Study the given table carefully.Compounds Golour change on adding China rose indicator(i)Hydroxide of group 2 elementMagenta(ii)Dioxide of element (group 16 and period 3)Magenta(iii)Oxide of element (electronic configuration 2, 4)Magenta(iv)Hydroxide of element (at. no. 19)Green(v)Lime waterMagentaWhich of the observations are correctly matched? (A) (i), (ii) and (iv) only (B) (ii), (iii) and (iv) only (C) (ii), (iii) and (v) only (D) (i), (iii) and (iv) only |
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Answer» Correct option (B) (ii), (iii) and (iv) only Explanation: Hydroxide of group 2 element, KOH and lime water i.e., Ca(OH)2 are basic in nature which turn China rose indicator green. Oxide of element belonging to group 16 and period 3 i.e., SO2 and oxide of element having electronic configuration 2, 4 i.e., CO2 are acidic in nature which turn China rose indicator magenta. |
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