Which of the following compound can produce Riemann's green with Co(NO3)2 solution? — d and f Block Elements Chemistry Question

💡 Solution & Explanation

Step 1: The purity of gold is measured in carats, where pure gold is defined as 24 carats (100%). Step 2: The percentage of gold in any given carat rating is calculated as (carats / 24) * 100. Step 3: For 14 carat gold, the calculation is (14 / 24) * 100 = 58.33%. This is closest to 58%, matching option (a).