AIPMT 2011 Prelims

171 Questions • 171 Minutes • 2011

Take This Paper Online

All Questions — Click to View Solution

Q41
In forward biasing of the p-n junction
View Answer & Solution
Q42
The total number of atomic orbitals in fourth energy level of an atom is
View Answer & Solution
Q43
The electrode potentials for Cu²⁺(aq) + e⁻ → Cu⁺(aq) and Cu⁺(aq) + e⁻ → Cu(s) are +0.15 V and +0.50 V respectively. The value of E°(Cu²⁺/Cu) will be
View Answer & Solution
Q44
Mole fraction of the solute in a 1.00 molal aqueous solution is
View Answer & Solution
Q45
A buffer solution is prepared in which the concentration of NH₃ is 0.30 M and the concentration of NH₄⁺ is 0.20 M. If the equilibrium constant, Kb for NH₃ equals 1.8 × 10⁻⁵, what is the pH of this solution?
View Answer & Solution
Q46
Which of the following is correct option for free expansion of an ideal gas under adiabatic condition?
View Answer & Solution
Q47
For the reaction N₂(g) + O₂(g) ⇌ 2NO(g), the equilibrium constant is K₁. The equilibrium constant is K₂ for the reaction 2NO(g) + O₂(g) ⇌ 2NO₂(g). What is K for the reaction NO₂(g) ⇌ (1/2)N₂(g) + O₂(g)?
View Answer & Solution
Q48
If the enthalpy change for the transition of liquid water to steam is 30 kJ mol⁻¹ at 27°C, the entropy change for the process would be
View Answer & Solution
Q49
The van't Hoff factor i for a compound which undergoes dissociation in one solvent and association in other solvent is respectively
View Answer & Solution
Q50
By what factors does the average velocity of a gaseous molecule increase when the temperature (in Kelvin) is doubled?
View Answer & Solution
Q51
Standard electrode potential for Sn⁴⁺/Sn²⁺ couple is +0.15 V and that for the Cr³⁺/Cr couple is −0.74 V. These two couples in their standard state are connected to make a cell. The cell potential will be
View Answer & Solution
Q52
If the E°cell for a given reaction has a negative value, then which of the following gives the correct relationships for the values of ΔG° and Keq?
View Answer & Solution
Q53
Two gases A and B having the same volume diffuse through a porous partition in 20 and 10 seconds respectively. The molecular mass of A is 49 u. Molecular mass of B will be
View Answer & Solution
Q54
The freezing point depression constant for water is −1.86°C m⁻¹. If 5.00 g Na₂SO₄ is dissolved in 45.0 g H₂O, the freezing point is changed by −3.82°C. Calculate the van't Hoff factor for Na₂SO₄
View Answer & Solution
Q55
The energies E₁ and E₂ of two radiations are 25 eV and 50 eV respectively. The relation between their wavelengths i.e. λ₁ and λ₂ will be
View Answer & Solution
Q56
Standard electrode potential of three metals X, Y and Z are –1.2 V, +0.5 V and –3.0 V respectively. The reducing power of these metals will be
View Answer & Solution
Q57
If x is the amount of adsorbate and m is the amount of adsorbent, which of the following relations is not related to adsorption process?
View Answer & Solution
Q58
Which one of the following statements for the order of a reaction is incorrect?
View Answer & Solution
Q59
Enthalpy change for the reaction, 4H(g) → 2H₂(g) is −869.6 kJ. The dissociation energy of H–H bond is
View Answer & Solution
Q60
If n = 6, the correct sequence of filling of electrons will be
View Answer & Solution
Paper Info
  • Exam: AIPMT Prelims
  • Year: 2011
  • Questions: 171
  • Duration: 171 mins
Take Online All Papers