ozone decomposes into oxygen and atomic oxygen

Summary - Oxygen and sulphur belong to group VI A. Oxygen shows a valency of -2, while sulphur shows a valency of -2, +4 and +6. Industrially oxygen is manufactured by fractional distillation of liquid air free of dust particles and CO 2 ...

Certain salts like potassium nitrate (KNO 3 ) potassium chlorate (KClO 3 ) and potassium permanganate (KMnO 4 ) contain a large amount of oxygen. Oxygen-rich, oxy-salts on strong heating decompose to give oxygen gas. ..

Alcohols, phenols, ethers, aldehydes, ketones and carboxylic acids are compounds with functional groups containing oxygen. An alcohol contains one or more hydroxyl (OH) groups(s) attached to aliphatic carbon atom(s). For e.g., ethyl alcohol formula CH 3 , CH ..

Metallic nitrates, when heated, give out oxygen. At the same time, most of them also give out a reddish brown gas - nitrogen dioxide, NO2. Thus, these nitrates cannot be used to prepare oxygen. However, sodium and potassium nitrates do not produce nitrogen dioxid..

Preparation of Oxygen - From Nitrates - Metallic nitrates, when heated, give out oxygen. At the same time, most of them also give out a reddish brown gas - nitrogen dioxide, NO 2 . Thus, these nitrates cannot be used to prepare oxygen. However, sodium and pot..

The apparatus is set up as shown in figure 6.15. The combustion tube is heated strongly and concentrated nitric acid is allowed to flow into it. Due to the heat, it decomposes, liberating the corresponding gases. Reddish yellow fumes of nitrogen dioxide, water vapour and a colourless..

On a laboratory scale - Air, free from moisture and carbon dioxide, is bubbled through boiling mercury. The oxygen of the air combines with the mercury to form mercuric oxide, which is a red solid (Fig.13.1..

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To have a better yield of SO 3 , O 2 is used in excess. 3. Conversion of SO 3 into H 2 SO 4 - SO 3 is absorbed in conc. H 2 SO 4 to get oleum. Oleum may then be diluted with calculated quantity of water to get..

Metals are very reactive. They form compounds with other elements easily. Sodium (Na) and potassium (K) are some of the most reactive metals. Metallic oxides make hydroxides (bases) (OH - ) and not acids when in solution. The oxides of metals are basic in nature, with the exception of Cr 2..