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प्रश्न
Classify the following oxide as neutral, acidic, basic or amphoteric:
Al2O3
विकल्प
neutral
acidic
basic
amphoteric
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उत्तर
amphoteric
संबंधित प्रश्न
Discuss the pattern of variation in the oxidation states of B to Tl.
Discuss the pattern of variation in the oxidation states of C to Pb.
Write suitable chemical equations to show the nature of the following oxide.
Tl2O3
Rationalise the given statement and give a chemical reaction:
Lead (IV) chloride is highly unstable towards heat.
Classify the following oxide as neutral, acidic, basic or amphoteric:
CO
Classify the following oxide as neutral, acidic, basic or amphoteric:
SiO2
Classify the following oxide as neutral, acidic, basic or amphoteric:
PbO2
Classify the following oxide as neutral, acidic, basic or amphoteric:
Tl2O3
Write suitable chemical equations to show the nature of the following oxide.
B2O3
Which of the following is a Lewis acid?
Catenation i.e., linking of similar atoms depends on size and electronic configuration of atoms. The tendency of catenation in Group 14 elements follows the order:
Explain the following:
CO2 is a gas whereas SiO2 is a solid.
Explain the following:
Silicon forms \[\ce{SiF^{2-}6}\] ion whereas corresponding fluoro compound of carbon is not known.
The +1 oxidation state in group 13 and +2 oxidation state in group 14 becomes more and more stable with increasing atomic number. Explain.
Explain the following:
BF3 does not hydrolyse.
A tetravalent element forms monoxide and dioxide with oxygen. When air is passed over heated element (1273 K), producer gas is obtained. Monoxide of the element is a powerful reducing agent and reduces ferric oxide to iron. Identify the element and write formulas of its monoxide and dioxide. Write chemical equations for the formation of producer gas and reduction of ferric oxide with the monoxide.
Stannous chloride solution when kept in the air turns milky due to the formation of ______.
