हिंदी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान कक्षा ११

Write suitable chemical equations to show the nature of the following oxide. Al2O3 - Chemistry

Advertisements
Advertisements

प्रश्न

Write suitable chemical equations to show the nature of the following oxide.

Al2O3

टिप्पणी लिखिए

उत्तर

Amphoteric substances react with both acids and bases. Al2O3 reacts with both NaOH and H2SO4.

\[\ce{Al_2O_3 + 2NaOH -> NaAlO_2}\]

\[\ce{Al_2O_3 +3 H_2SO_4 -> Al_2(SO_4)_3 + 3H_2O}\]

shaalaa.com
Group 14 Elements - The Carbon Family
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 11: The p-Block Elements - EXERCISES [पृष्ठ ३३३]

APPEARS IN

एनसीईआरटी Chemistry - Part 1 and 2 [English] Class 11
अध्याय 11 The p-Block Elements
EXERCISES | Q 11.26 (b) | पृष्ठ ३३३

संबंधित प्रश्न

Discuss the pattern of variation in the oxidation states of C to Pb.


Explain the difference in properties of diamond and graphite on the basis of their structures.


Rationalise the given statement and give a chemical reaction:

Lead (II) chloride reacts with Cl2 to give PbCl4.


Explain the following reaction.

Silicon is heated with methyl chloride at high temperature in the presence of copper.


Write suitable chemical equations to show the nature of the following oxide.

Tl2O3


Rationalise the given statement and give a chemical reaction:

Lead is known not to form an iodide, PbI4.


Classify the following oxide as neutral, acidic, basic or amphoteric:

CO2


Classify the following oxide as neutral, acidic, basic or amphoteric:

Tl2O3


Write suitable chemical equations to show the nature of the following oxide.
CO

Write suitable chemical equations to show the nature of the following oxide.

B2O3


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.


The linear shape of CO2 is due to:

(i) sp3 hybridisation of carbon.

(ii) sp hybridisation of carbon.

(iii) pπ – pπ bonding between carbon and oxygen.

(iv) sp2 hybridisation of carbon.


Explain the following:

Silicon forms \[\ce{SiF^{2-}6}\] ion whereas corresponding fluoro compound of carbon is not known.


Explain the following:

Silicon forms \[\ce{SiF^{2-}6}\] ion whereas corresponding fluoro compound of carbon is not known.


Carbon and silicon both belong to the group 14, but inspite of the stoichiometric similarity, the dioxides, (i.e., carbon dioxide and silicon dioxide), differ in their structures. Comment.


Explain the following:

BF3 does not hydrolyse.


The principal ore of lead is ______. 


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×