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All the elements of Group 13 form trioxides also known as sesquioxides of the formula, M2O3. Thallium forms stable Tl20 also. The basic character of oxides increases down the group with increase in the atomic number. Thus, B2O3 is acidic, Al203 and Ga203 are amphoteric whereas In203 and Tl2O3 are basic. Tl20 is soluble in water and the resulting hydroxide TlOH is, in fact, as strong a base as KOH. Let us now study the oxides of boron and aluminium in a little more detail, this will be followed by a discussion of the acids of boron and the borates.
CATALYSTS A catalyst is a species that speeds up a chemical reaction but is not itself consumed. Catalysts do not change the thermodynamics of the position of equilibrium or a
Q. Name the plant based sources of antioxidants? Name the plant based sources of the following antioxidants: Vitamin C, lycopene, isoflavones and organo sulphur compounds.
A solid substance with a mass of 200g is at its melting temperature in a calorimeter. While the substance changes from a solid to a liquid at the same temperature, the 400-gram mas
YES,LiAlH 4 be used to reduce nitro group to amino group in hydrogenation
WRITE HALF-REACTION FOR THE REDOX Fe2+ + MnO4- =Fe3+ + Mn2+
an elementary ideas of cft
Simple and Mixed Amines Secondary and tertiary amines may be categorized as simple or mixed amines as per to all the alkyl or aryl groups attached to the nitrogen atom are simi
Which one of the following groupings represents a collection of isoelectronic species: (1) NA +, Ca 2+ , Mg 2+ (2) N3, F - , Na + (3) be, Al 3+ , Cl -
what type of reaction takes place in synthesis of iodoform from acetone by haloform reaction?
WHAT IS THE FEROST DIAGRAM
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