Orange coloured sodium cobaltinitrite \( \mathrm{Na}_{3}\left[\mathrm{Co}\left(\mathrm{NO}_{2}\r...

Channel:
PW Solutions
Subscribers:
445,000
Published on ● Video Link: https://www.youtube.com/watch?v=Hse7UvR0ehg


Duration: 2:50
0 views
0

Orange coloured sodium cobaltinitrite \( \mathrm{Na}_{3}\left[\mathrm{Co}\left(\mathrm{NO}_{2}\right)_{6}\right] \) is used for the detection of \( \mathrm{K}^{+} \)ions which gives ..... ppt. due to the formation of Potassiumsodiumcobaltinitrite \( \mathrm{K}_{2} \mathrm{Na}\left[\mathrm{Co}\left(\mathrm{NO}_{2}\right)_{6}\right] \)
(a) White
(b) Orange
(c) Yellow
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2023-06-09In the test for iodine, \( \mathrm{I}_{2} \) is treated with sodium thiosulphate \( \left(\mathr...
2023-06-09A colourless gas is dissolved in water and the resulting solution turns red litmus blue ; the ga...
2023-06-09A substance on treatment with dilute \( \mathrm{H}_{2} \mathrm{SO}_{4} \) liberates a colourless...
2023-06-09\( \mathrm{BaCl}_{2} \) solution gives a white precipitate with a solution of a salt, which diss...
2023-06-09When KI is added to acidified solution of sodium nitrite: (a) \( \mathrm{NO} \) gas is liberated...
2023-06-09Pink colour of acidified \( \mathrm{KMnO}_{4} \) is decolourised but there is no evolution of an...
2023-06-09Colourless salt (a) + dil. \( \mathrm{H}_{2} \mathrm{SO}_{4} \) or \( \mathrm{CH}_{3} \mathrm{CO...
2023-06-09Which one of the following ions does not give borax bead test? (a) \( \mathrm{Cr}^{3+} \) (b) \(...
2023-06-09Which of the following combines with \( \mathrm{Fe} \) (II) ions to form a brown complex? (a) \(...
2023-06-09A metal salt solution form a yellow ppt with potassium chromate in acetic acid, a white ppt with...
2023-06-09Orange coloured sodium cobaltinitrite \( \mathrm{Na}_{3}\left[\mathrm{Co}\left(\mathrm{NO}_{2}\r...
2023-06-09The yellow precipitate formed by passing ammonia into Nesslers reagent in due to the formation o...
2023-06-09Which radicals interferes in the test of basic radicals after group II qualitative analysis? (a)...
2023-06-09\( \mathrm{Ca}, \mathrm{Ba} \) and \( \mathrm{Sr} \) ions are precipitated in fifth group as the...
2023-06-09The ion that can not be precipited by \( \mathrm{H}_{2} \mathrm{~S} \) in presence of dil. \( \m...
2023-06-09\( \mathrm{Na}_{2} \mathrm{CO}_{3} \) cannot be used in place of \( \left(\mathrm{NH}_{4}\right)...
2023-06-09Which reagent is used to remove \( \mathrm{SO}_{4}^{2-} \) and \( \mathrm{Cl}^{-} \)? (a) \( \ma...
2023-06-09An aqueous solution of colourless metal sulphate \( \mathrm{M} \) gives a white ppt, with \( \ma...
2023-06-09When \( \mathrm{NH}_{4} \mathrm{Cl} \) is added to a solution of \( \mathrm{NH}_{4} \mathrm{OH} ...
2023-06-09\[ \mathrm{K}_{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]+\mathrm{Fe}_{\text {(aq.) }}^{3+} \lo...
2023-06-09When \( \mathrm{H}_{2} \mathrm{~S} \) is passed through an ammonical salt solution \( \mathrm{X}...