MHT CET 2026 11th April Evening Shift | Solid State Question 45 | Chemistry

A compound forms bcc unit cell with edge length $400$ pm. Determine the molar mass of the compound if the density of compound is $3.5\ \text{g cm}^{-3}$ [$N_A = 6.022 \times 10^{23}$]

$65.2\ \text{g mol}^{-1}$

$67.4\ \text{g mol}^{-1}$

$69.8\ \text{g mol}^{-1}$

$71.6\ \text{g mol}^{-1}$

MHT CET 2026 11th April Evening Shift

MCQ (Single Correct Answer)

-0

What is the number of neighbouring spheres for any particle in the fcc crystal lattice ?

$6$

$8$

$10$

$12$

MHT CET 2026 11th April Morning Shift

MCQ (Single Correct Answer)

-0

Pt has FCC structure with an edge length of unit cell $392$ pm. What is the radius of Pt?

$138.6$ pm

$175.6$ pm

$185.6$ pm

$205.6$ pm

MHT CET 2026 11th April Morning Shift

MCQ (Single Correct Answer)

-0

In a cubic unit cell of an ionic compound, the eight corners are occupied by anions and cations at the center of the cube. Calculate the volume of the unit cell if density of the unit cell is $4 \text{ g cm}^{-3}$.
[Molar mass of compound $= 168.6$ g mol$^{-1}$ and $N_A = 6.022 \times 10^{23}$]

$5.0 \times 10^{-23} \text{ cm}^3$

$6.0 \times 10^{-23} \text{ cm}^3$

$7.0 \times 10^{-23} \text{ cm}^3$

$8.0 \times 10^{-23} \text{ cm}^3$

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Some Basic Concepts of Chemistry Atomic Structure States of Matter Thermodynamics Chemical Equilibrium Ionic Equilibrium Liquid Solution Redox Reactions Surface Chemistry Solid State Electrochemistry Chemical Kinetics Nuclear Chemistry

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Periodic Table and Periodicity Chemical Bonding and Molecular Structure Metallurgy Hydrogen and It's Compounds s-Block Elements p-Block Elements d and f Block Elements Coordination Compounds Environmental Chemistry

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IUPAC Nomenclatures General Organic Chemistry Isomerism Hydrocarbons Haloalkanes and Haloarenes Alcohol, Phenols and Ethers Aldehyde and Ketone Carboxylic Acids and Its Derivatives Compounds Containing Nitrogen Polymers Biomolecules Chemistry in Everyday Life Practical Organic Chemistry