NEET UG CHEMISTRY MCQ: SOLID STATE

1 Hard

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Application +4 | -1

The edge length of unit cell of a metal having molecular weight

75 \mathrm{~g} / \mathrm{mol}

5\mathop {\text{A}}\limits^ \circ

which crystallizes in cubic lattice. If the density is

2 \mathrm{~g} /

\mathrm{cc}

and the radius of metal atom is

4.33 \mathrm{xpm} .\left(\mathrm{N}_{\mathrm{A}}\right.

=6 \times 10^{23}

). Find the value of

x

View answer and explanation

Correct option: A

Option A is correct because the number of atoms per unit cell (Z) is calculated using the formula Z = (ρ * a³ * NA) / M, and then the relationship between the edge length and atomic radius for a cubic lattice is used to find the radius. The value of x is then determined to be 5.

NEET UG CHEMISTRY MCQ: SOLID STATE

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