Tamil Nadu Board of Secondary EducationHSC Science Class 11th

Explain the bond formation if BeCl2 and MgCl2. - Chemistry

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Answer in Brief

Explain the bond formation if BeCl2 and MgCl2.

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Bond formation of BeCl2:

Be = 4;

Electronic configuration of Be atom is = 1s2 2s

Bond formation of MgCl2:

Mg (Z = 12), 1s2 2s2 2p6 3s2 it loses two of its valence electron and became Mg2+ with inert gas configuration Neon.

The chlorine accepts one electron in its valence shell and because Cl ion with Ar electron configuration.

Mg + Cl2 → Mg2+ + 2 Cl → MgCl2

Magnesium cation and two chlorides are attracted by strong electrostatic force to form

MgCl2 crystals.

Mg = 12,

Electronic configuration: 1s2 2s2 2p6 3s2

Electronic configuration: 1s2 2s2 2p6 3s0

Cl = 17, 1s2 2s2 2p6 3s2 3p5


Electronic configuration: 1s2 2s2 2p6 3s2 3p

Concept: Types of Chemical Bonds
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Tamil Nadu Board Samacheer Kalvi Class 11th Chemistry Volume 1 and 2 Answers Guide
Chapter 10 Chemical bonding
Evaluation | Q II. 12. | Page 107

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