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प्रश्न
Write suitable chemical equations to show the nature of the following oxide.
SiO2
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उत्तर
Being acidic, it reacts with bases to form salts. It reacts with NaOH to form sodium silicate.
\[\ce{SiO_2 + 2NaOH -> 2 Na_2SiO_3 + H_2O}\]
संबंधित प्रश्न
Discuss the pattern of variation in the oxidation states of B to Tl.
Rationalise the given statement and give a chemical reaction:
Lead (II) chloride reacts with Cl2 to give PbCl4.
Write suitable chemical equations to show the nature of the following oxide.
Tl2O3
Elements of group 14 ________.
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:
B2O3
Classify the following oxide as neutral, acidic, basic or amphoteric:
CO2
Write suitable chemical equations to show the nature of the following oxide.
CO2
Which of the following is a Lewis acid?
The reason for small radius of Ga compared to Al is:
(i) poor screening effect of d and f orbitals.
(ii) increase in nuclear charge.
(iii) presence of higher orbitals.
(iv) higher atomic number.
Give reasons for the following:
CCl4 is immiscible in water, whereas SiCl4 is easily hydrolysed.
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:
Why does the element silicon, not form a graphite like structure whereas carbon does.
Stannous chloride solution when kept in the air turns milky due to the formation of ______.
\[\ce{SiCl4 ->[H2O] (A) ->[\Delta] (B) ->[Na2CO3][heat] (C)}\]. The Compound C is ______.
Which one of the following compounds of Group–14 elements is not known?
Match List I with List II:
| List I | List II |
| Coke | Carbon atoms are sp3 hybridized. |
| Diamond | Used as a dry lubricant. |
| Fullerene | Used as a reducing agent. |
| Graphite | Cage like molecules |
Choose the correct answer from the options given below:
