Science (English Medium) इयत्ता १२ - CBSE Question Bank Solutions

What type of defect is shown by NaCl in 
 stoichiometric defects, and

 non-stoichiometric defects?

Out of NaCl and AgCl, which one shows Frenkel defect and why? 

Arrange the following in increasing order of boiling points:

(CH₃)₃ N, C₂ H₅ OH, C₂ H₅ NH₂

Write the monomers of the following polymer : 

Differentiate between the following :

Peptide linkage and Glycosidic linkage 

Answer the following question.
What type of stoichiometric defect is shown by ZnS and why?

Write equations of the following reactions:
Acetylation of aniline

Ionic solids containing large differences in sizes of ions show ____________.

Defect shown by non-ionic solids is ____________.

Defects in solids can be studied using

Point defect is also known as ____________.

Dislocation defect is also known as ____________.

Frenkel defects are not found in alkali metal halides because ____________.

The radius of Cs⁺ is 169 pm and Cl⁻ is 181 pm. The radius ratio is ____________.

Type of stoichiometric defect shown by ZnS is ____________.

Type of stoichiometric defect shown by AgBr is ____________.

The following diagram shows:

Which of the following is the most likely structure of CrCl₃.6H₂O if `1/3` of total chlorine of the compound is precipitated by adding AgNO₃ to its aqueous solution?

Which of the following complex will give a white precipitate with barium chloride solution?