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KEAM Physical and Inorganic Chemistry Flashcards
51 question-and-answer cards covering Physical and Inorganic Chemistry as it is examined in KEAM. 24 of them are printed below, taken from across the deck — no signup, no paywall on the preview.
24 sample cards from the Physical and Inorganic Chemistry deck
Sampled from the end of the deck, so these are different cards from the ones shown on the syllabus page.
State Hess's law of constant heat summation.
The total enthalpy change of a reaction is the same whether it occurs in one step or several steps, depending only on initial and final states.
Write the Gibbs free energy equation and the condition for spontaneity.
Delta-G = Delta-H - T*Delta-S; a process is spontaneous when Delta-G is negative.
State Le Chatelier's principle.
When a system at equilibrium is disturbed (change in concentration, pressure, or temperature), it shifts to counteract the change and re-establish equilibrium.
Write the relationship between Kp and Kc.
Kp = Kc(RT)^(delta-n), where delta-n = moles of gaseous products - moles of gaseous reactants.
What is the ionic product of water (Kw) at 25 degrees C?
Kw = [H+][OH-] = 1.0 x 10^-14 mol^2/L^2.
State the Henderson-Hasselbalch equation for an acidic buffer.
pH = pKa + log([salt]/[acid]).
What is the difference between order and molecularity of a reaction?
Order is experimentally determined (sum of exponents in rate law) and can be fractional/zero; molecularity is the number of reacting species in an elementary step and is always a whole number.
Write the integrated rate law and half-life for a first-order reaction.
k = (2.303/t) log([A0]/[A]); half-life t(1/2) = 0.693/k (independent of initial concentration).
State the Arrhenius equation.
k = A*e^(-Ea/RT), where A is the frequency factor, Ea is activation energy, R is the gas constant, and T is temperature.
State Raoult's law for a solution of a non-volatile solute.
The relative lowering of vapour pressure equals the mole fraction of the solute: (P0 - P)/P0 = x(solute).
What are colligative properties? Name them.
Properties depending only on the number of solute particles, not their nature: relative lowering of vapour pressure, elevation of boiling point, depression of freezing point, and osmotic pressure.
Write the formula for osmotic pressure.
pi = CRT = (n/V)RT, where C is molar concentration, R is the gas constant, and T is temperature.
Define oxidation and reduction in terms of electron transfer.
Oxidation is loss of electrons (increase in oxidation number); reduction is gain of electrons (decrease in oxidation number).
State the Nernst equation for an electrode at 298 K.
E = E0 - (0.0591/n) log Q, where n is the number of electrons transferred and Q is the reaction quotient.
State Faraday's first law of electrolysis.
The mass of substance deposited at an electrode is directly proportional to the quantity of electric charge passed (m proportional to Q = It).
How does molar conductivity vary with dilution for strong and weak electrolytes?
It increases with dilution for both; for strong electrolytes the increase is small, while for weak electrolytes it increases sharply near infinite dilution due to greater dissociation.
What is the difference between physisorption and chemisorption?
Physisorption involves weak van der Waals forces (reversible, low enthalpy); chemisorption involves chemical bonds (irreversible, high enthalpy, specific).
Why are arsenic-doped (group 15) silicon crystals n-type and boron-doped (group 13) ones p-type?
Group 15 dopants add extra electrons giving n-type; group 13 dopants create electron holes giving p-type semiconductors.
Why does the s-block element's reactivity increase down the group?
Atomic size increases and ionization enthalpy decreases down the group, so the outer s-electron(s) are lost more easily, increasing reactivity.
What is the diagonal relationship, with one example pair?
Similarity in properties between an element and the element diagonally below-right in the next group, e.g. Lithium and Magnesium.
Why does the d- and f-block show variable oxidation states?
Because the energies of (n-1)d and ns orbitals are close, allowing both to participate in bonding, giving multiple stable oxidation states.
State Werner's coordination theory definitions of primary and secondary valencies.
Primary valency = ionizable oxidation state satisfied by negative ions; secondary valency = non-ionizable coordination number satisfied by ligands.
What is the IUPAC name of the [Cu(NH3)4]2+ ion's ligand and the geometry of [Ni(CN)4]2-?
The ligand NH3 is named ammine; [Ni(CN)4]2- is square planar (dsp2 hybridization).
Name the metallurgical processes: removing gangue using a frothing agent, and reducing oxide ore with carbon.
Concentration by froth flotation; reduction by smelting (carbon reduction in a blast furnace).
What this deck covers
The Physical and Inorganic Chemistry deck follows the KEAM Physical and Inorganic Chemistry syllabus — 5 chapters and 18 topics — so questions land on material that is genuinely examinable rather than trivia around it. That works out to roughly 10.2 cards per chapter.
Answers are written to be recallable, not just readable — averaging about 122 characters, which is long enough to carry the reasoning and short enough to say out loud.
A deck like this earns its keep on the second and third pass. Read the syllabus first so you know the shape of the subject, then use the cards to find the specific facts that have not stuck.
Physical and Inorganic Chemistry flashcards FAQ
How many Physical and Inorganic Chemistry flashcards are in this KEAM deck?
51 cards. This page previews 24 of them, sampled evenly across the deck so you can judge the difficulty before installing anything.
Are these KEAM flashcards free?
Yes. The preview here is free to read with no signup, and the full 51-card deck is free inside the Examius app.
What do the Physical and Inorganic Chemistry cards cover?
They follow the KEAM Physical and Inorganic Chemistry syllabus — 5 chapters and 18 topics — so the questions track what is actually examinable.
How should I use these flashcards?
Read the syllabus first so you know the shape of the subject, then drill the deck. Examius schedules each card with spaced repetition, so cards you keep missing come back sooner and ones you know drift further apart.