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1
JEE Main 2023 (Online) 15th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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Which of the following expressions is correct in case of a $\mathrm{CsCl}$ unit cell (edge length 'a')?
A
$\mathrm{r}_{\mathrm{Cs}^{+}}+\mathrm{r}_{\mathrm{Cl}^{-}}=\frac{\sqrt{3}}{2} \mathrm{a}$
B
$\mathrm{r}_{\mathrm{Cs}^{+}}+\mathrm{r}_{\mathrm{Cl}^{-}}=\frac{\mathrm{a}}{\sqrt{2}}$
C
$\mathrm{r}_{\mathrm{Cs}^{+}}+\mathrm{r}_{\mathrm{Cl}^{-}}=\mathrm{a}$
D
$\mathrm{r}_{\mathrm{Cs}^{+}}+\mathrm{r}_{\mathrm{Cl}^{-}}=\frac{\mathrm{a}}{2}$
2
JEE Main 2023 (Online) 10th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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The correct relationships between unit cell edge length '$$a$$' and radius of sphere '$$r$$' for face-centred and body-centred cubic structures respectively are :

A
$$r=2 \sqrt{2} a$$ and $$\sqrt{3} r=4 a$$
B
$$r=2 \sqrt{2} a$$ and $$4 r=\sqrt{3} a$$
C
$$2 \sqrt{2} r=a$$ and $$\sqrt{3} r=4 a$$
D
$$2 \sqrt{2} r=a$$ and $$4 r=\sqrt{3} a$$
3
JEE Main 2023 (Online) 6th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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A compound is formed by two elements $$\mathrm{X}$$ and $$\mathrm{Y}$$. The element $$\mathrm{Y}$$ forms cubic close packed arrangement and those of element $$\mathrm{X}$$ occupy one third of the tetrahedral voids. What is the formula of the compound?

A
$$\mathrm{XY}_{3}$$
B
$$\mathrm{X_3Y}_{2}$$
C
$$\mathrm{X_3Y}$$
D
$$\mathrm{X_2Y}_{3}$$
4
JEE Main 2023 (Online) 1st February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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Which of the following represents the lattice structure of $$\mathrm{A_{0.95}O}$$ containing $$\mathrm{A^{2+},A^{3+}}$$ and $$\mathrm{O^{2-}}$$ ions?

JEE Main 2023 (Online) 1st February Morning Shift Chemistry - Solid State Question 10 English

A
B only
B
A and B only
C
A only
D
B and C only
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