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CBSE 12th Standard Chemistry Subject The Solid State Ncert Exemplar 1 Mark Questions 2021

Published on: 25/05/2021

QB365 Provides the updated NCERT Exemplar Questions for Class 12, and also provide the detail solution for each and every NCERT Exemplar questions. NCERT Exemplar questions are latest updated question pattern from NCERT, QB365 will helps to get more marks in Exams

Download CBSE Class 12th Standard CBSE Chemistry question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 12th Standard CBSE Chemistry

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Std: 12th Standard CBSE - Chemistry

chapter: - NCERT Exemplers

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Questions:

1 Marks

5 x 1 = 5

Defain coordination number of a metal ion in an ionic crystal.

A compound AB₂ possesses the CaF₂ type crystal structure. Write the coordination numbers of A²⁺ and B^- ions in its crystals.

Arrange the following according to their packing fractions:
Simple cubic, face-centred cubic, body-centred cubic.

MgO has the structure of NaCl and TlCl has the structure of CsCl. What are the coordination numbers of the ions in MgO and TlCl?

How can you convert NaCl structure into CsCl structure and vice versa?

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Answers Key:

1 Marks

5 x 1 = 5

()
In an ionic crystal,coordination number of a metal ion(+ve ion) is the number of negative ions surrounding the metal ion, i.e., which are present as its nearest neighbours.