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JEE Main 201910 JanuaryMorning Shift
Exam
JEE Main
Year
2019
Date
10 January
Shift
Morning Shift
Subject
Chemistry
Chapter
Solid State

JEE Main 2019 · 10 January · Morning Shift · Chemistry · Solid State

Which primitive unit cell has unequal edge lengths (a ≠ b ≠ c) and...

Which primitive unit cell has unequal edge lengths (a≠b≠c)\left(a \ne b \ne c\right) and all axial angles different from 90o{90}^{o}

Options

  1. AHexagonal
  2. BMonoclinic
  3. CTriclinic
  4. DTetragonal

Correct answer

C. Triclinic

Step-by-step solution

The most inorganized system has a≠b≠ca \ne b \ne c and α≠β≠γ=90o\alpha \ne \beta \ne \gamma = {90}^{o} is called the triclinic system.
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