List of practice Questions

Which of the following pair of solutions is isotonic?
(A) 18 g/L of glucose and 6 g/L of urea solution
(B) 10 g/L of glucose and 10 g/L of urea solution
(C) 0.01 M NaOH and 0.02 M glucose solution
(D) 0.01 M NaCl and 0.01 M glucose solution (NaCl undergoes complete dissociation)
0.05 mole of a non-volatile solute is dissolved in 500 g of water. What is the depression in freezing point of the resultant solution? ($K_f(\text{H}_2\text{O}) = 1.86 \, \text{K kg mol}^{-1}$)
An element $ X $ (atomic number 13) forms a complex of the type $[XCl(H_2O)_5]^{2+}$. What are the covalency and oxidation state of $ X $ in this complex?
Match the following: List - I \quad (Type of hydride) \quad List - II \quad (Example) A) Electron precise \quad i) SiH$_4$ B) Saline \quad ii) H$_2$O C) Electron deficient \quad iii) MgH$_2$ D) Electron rich \quad iv) B$_2$H$_6$
Aluminium chloride in acidified aqueous solution gives a complex ion 'X'. The hybridization of central atom in X is
The hybridization of metals involved in the following complexes, respectively are [Mn(CN)$_6$]$^{3-}$, [CoF$_6$]$^{3-}$
The \( K_a \) values of A, B, and C are \( 1.8 \times 10^{-4} \), \( 5 \times 10^{-10} \), and \( 3 \times 10^{-8} \), respectively.
The correct order of their acidic strength is:
Assertion (A): MgSO4 is readily soluble in water.
Reason (R): The greater hydration enthalpy of Mg2+ ions overcomes its lattice enthalpy.
At T (K), x g of a non-volatile solid (molar mass 78 g mol$^{-1}$) when added to 0.5 kg water, lowered its freezing point by 1.0°C. What is x (in g)? (K$_f$ of water at T(K) = 1.86 K kg mol$^{-1}$)

Which of the following are extensive properties?
\(Heat capacity \quad (B) Entropy \quad (C) Gibbs Energy \quad (D) Concentration \quad (E) Vapour pressure\)

Which of the following compounds do not have sp$^3$ carbon atom(s)?
I. Acetone\quad II. Acetic acid\quad III. Buta-1,3-diene\quad IV. Propyne\quad V. Naphthalene
3.1 g of a compound, 'X' (molar mass = 62 g mol$^{-1}$) is dissolved in 19.5 g of other compound, Y (molar mass = 78 g mol$^{-1}$). The ratio of mole fractions of X and Y in the solution is
For which of the following liquid mixtures $\Delta_{mixH = 0$ and $\Delta_{mix}V = 0$?}
Identify A and B in the reaction
Identify A and B in the reaction
In the presence of peroxide, styrene reacts with HBr to give X. When X is treated with magnesium in dry ether followed by CO$_2$ and hydrolysis, Y is formed. Treatment of Y with PCl$_5$, then with H$_2$/Pd-BaSO$_4$ gives Z. What is Z?
Identify P and Q respectively of the following reaction:
P and Q respectively of the following reaction
Identify the major product of the following reaction (Zn-Hg/HCl reduction).
Zn-Hg/HCl reduction
Element X, Y and Z have atomic number 19, 37 and 55 respectively. Which of the following statements is true about them
The property of halogens which is not correctly matched is
Which noble gas has least tendency to form compounds ?
The element which belongs to 3rd period and 14th group in Modern periodic table is
How will a rise in temperature affect the viscosity of liquids and gases?
The total number of \( {P} - {OH} \) bonds for pyrophosphoric acid is:
In an adiabatic process, no transfer of heat takes place between the system and surroundings. Choose the correct option for free expansion of an ideal gas under adiabatic conditions from the following:

The given graph represents the variation of compressibility factor \( Z = \frac{pV}{nRT} \), for three real gases A, B, and C. Identify the only incorrect statement: