O

H₂O₂ (30%)

swimming pool tablets

Red chemiluminiscence with chlorine swimming pool chemicals. Hydrogen peroxide is added to sodium dichloro isocyanurate or to calcium hypochlorite. A nice red chemiliminiscent light is produced.

O, Cr

K₂Cr₂O₇

H₂O₂

any mineral acid

Beautiful effects with potassium dichromate and hydrogen peroxide. Potassium dichromate crystals are sprinkled on a highly diluted acidic hydrogen peroxide solution. The effect is stunning.

O, Cr

K₃CrO₈

Explosive properties of peroxo chromates. A synthesis method for this chemical is given, and its explosive properties are shown.

O, Cr

K₂Cr₂O₇

NaF

NaCl

H₂SO₄ (concentrated)

H₂O₂

Fun with volatile chromium - chromyl chloride . A really beautiful experiment with chromyl chloride vapor, which is poured on a very dilute acidic hydrogen peroxide solution.

O, Ni, Ag

Na₂S₂O₈

HNO₃ (dilute)

AgNO₃

NiSO₄·xH₂O

NaOH

Very high oxidation state of nickel and silver with persulfate. Nickel is brought to +3 or even +4 oxidation state by persulfate ion under alkaline conditions.

O

H₂O₂

many metal salts

HCl (10%)

NH₃ (5%)

Peroxo complexes of transition metals in high oxidation states. Many transition metals show colorful and sometimes remarkable peroxo complexes when they are in high oxidation states.

O, Cr

H₂O₂

(NH₄)₂CrO₄

NH₃ (25%)

Synthesis of triammine diperoxo chromium(IV). This is a description of how to make a very energetic chromium peroxo compound. Also some properties of the prepared compound are shown.

H₂O₂

Na₂Cr₂O₇·2H₂O

C₅H₅N (pyridine)

Na₂SO₃

H₂SO₄

V₂O₅

KOH

H₂O₂ (15%)

H₂SO₄ (dilute)

CH₃CH₂OH (96%)

P (red)

O, Cr

H₂O₂

K₂Cr₂O₇

KOH

Synthesis of potassium tetraperoxo chromate(V) . A detailed description (recipe) for making the energetic compound K₃CrO₈.