JEE Main Solid State — practice questions
42 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice JEE Main Solid State in the app →Crystalline solids are characterised by:
A simple cubic (primitive) unit cell has pa
How many atoms per unit cell does a **face-
In two-dimensional close packing, hexagonal
A **tetrahedral void** in a close-packed crIn a face-centred cubic lattice of an element, atoms touch along the face diagonal. If the edge length of the Which of the following arrangements is in correct order of increasing electronegativity (Pauling scale)?Henry's law for the solubility of a gas in a liquid is best stated as:Why are deep-sea divers given a breathing mixture of helium and oxygen instead of ordinary air?The mole fraction of urea ($M = 60\,\text{g/mol}$) in an aqueous solution containing $6\,\text{g}$ of urea in For an ideal solution containing two volatile liquids A and B, Raoult's law gives the total vapour pressure asFor a dilute solution of a non-volatile solute B in a solvent A, the relative lowering of vapour pressure equaThe elevation in boiling point of a solution is given by $\Delta T_b = K_b m$. The molal elevation constant $KThe freezing point of water is depressed when a non-volatile solute is added because:Osmotic pressure of a dilute solution is expressed by van't Hoff's equation as:Two solutions are said to be **isotonic** if they:If $\mathrm{NaCl}$ undergoes complete dissociation in water, the van't Hoff factor $i$ is:Benzoic acid associates in benzene to form dimers. The van't Hoff factor $i$ for benzoic acid in benzene (assuDesalination of sea water is best carried out by:A solution of glucose in water has a freezing point depression of $0.186\,\text{K}$. Given $K_f$ for water $= A solution showing positive deviation from Raoult's law has:Per NCERT §3.3, Henry Moseley's 1913 work was based on plotting which quantity vs atomic number Z to obtain a Per NCERT Table 3.5, the IUPAC OFFICIAL name + symbol for Z = 104 is which?Per NCERT §3.6.1, alkali metals (Group 1) and alkaline earth metals (Group 2) have outermost configurations ofPer NCERT §3.7.1(b), why is a CATION smaller than its parent neutral atom?Per NCERT §3.7.1(b), why is an ANION LARGER than its parent neutral atom?Per NCERT §3.7.1(c), why is the FIRST ionisation enthalpy of BORON (Z=5) LESS than that of BERYLLIUM (Z=4) desPer NCERT Problem 3.8, predicting the formula formed by SILICON (Group 14) and BROMINE (Group 17) gives which Per NCERT §3.7.3, oxides of elements show what acid–base trend across a period?The solubility of a gas in a liquid generally:A $0.5$ molal aqueous solution of a non-electrolyte ($K_b = 0.52$ K kg/mol for water) boils at:A solution of $0.1$ M sucrose at $300$ K has osmotic pressure (using $R = 0.0821$ L atm/(mol K)):The van't Hoff factor $i$ for $0.1$ m NaCl (assuming complete dissociation) is:The MOLARITY of a solution containing 58.5 g NaCl dissolved in 1 L of solution is:The KEY DIFFERENCE between molarity (M) and molality (m) is that:HENRY'S LAW states that at constant temperature:A MINIMUM-BOILING azeotrope arises from:Which of these is NOT a colligative property?Salt is sprinkled on icy roads in cold countries to:The OSMOTIC PRESSURE π of a dilute solution is given by:The van't Hoff factor (i) for sodium chloride (NaCl) in water is approximately:Raoult's law for an ideal solution of two volatile components states: