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Question

Chemistry Question on The solid state

In tetragonal crystal system, which of following is not true?

A

All axial lengths and all axial angles are equal

B

All three axial lengths are equal

C

All three axial angles are equal

D

Two axial angles are equal but the third is different

Answer

All three axial angles are equal

Explanation

Solution

In tetragonal system, a=bc,α=β=γ=90a=b\ne c,\, \alpha=\beta=\gamma=90^{\circ}