JEE Main 2020 (Online) 5th September Morning Slot | Solid State Question 38 | Chemistry

A diatomic molecule X₂ has a body-centred cubic (bcc) structure with a cell edge of 300 pm. The density of the molecule is 6.17 g cm^–3. The number of molecules present in 200 g of X₂ is :
(Avogadro constant (N _A) = 6 $$ \times $$ 10²³ mol^–1 )

8 N_A

40 N_A

4 N_A

2 N_A

JEE Main 2020 (Online) 8th January Evening Slot

MCQ (Single Correct Answer)

-1

Out of Syllabus

Which of the following compounds is likely to show both Frenkel and Schottky defects in its crystalline form?

CsCl

AgBr

ZnS

KBr

JEE Main 2019 (Online) 12th April Evening Slot

MCQ (Single Correct Answer)

-1

Out of Syllabus

The ratio of number of atoms present in a simple cubic, body centered cubic and face centered cubic structure are, respectively :

8 : 1 : 6

4 : 2 : 1

1 : 2 : 4

4 : 2 : 3

JEE Main 2019 (Online) 12th April Morning Slot

MCQ (Single Correct Answer)

-1

Out of Syllabus

An element has a face-centred cubic (fcc) structure with a cell edge of $$a$$. The distance between the centres of two nearest tetrahedral voids in the lattice is :

$$a$$

$${3 \over 2}a$$

$${a \over 2}$$

$$\sqrt 2 a$$

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