IIT JAM Chemistry - MCQ Test 2 - Chemistry MCQ

Which of the following magnetic moment values will correspond to highest ionization energy form Mn species:

For the reaction   

Then relation between k₁, k₂ and k₃ is 

Efficiency of Carnot’s engine is 100 % when

Arrange the following compounds in order of Ca—Cb bond length:

All the following are the resonance structure of one another except:

Bombardment of aluminium by α-particle leads to its artificial disintegration in two ways (i) and (ii) as shown. Product X, Y and Z respectively are:

Heat of dissociation of CH₃COOH is 0.005 kcal g^-1, hence enthalpy change when 1 mole of Ca(OH)₂ is completely neutralized by CH₃COOH is:

The heat released on neutralization of CsOH with all strong acids is 13.4 kcal mol^-1. The heat released on neutralization of CsOH with HF (weak acid) is 16.4 kcal mol^-1. ΔH° of ionization of HF in water is:

At low pressure, that Vander Waal’s equation is reduced to:

Correct order of stability of the following carbocation is:

The decay modes of ¹⁴C and ¹⁴O are:

If 3/4 quantity of a radioactive element disintegrates in two hours its half- life would be:

What is the stereochemical relationship between the following compound:

Among the structures given below, the most stable conformation for the following compound is:

Following configuration of the tartaric acid represents:

The gauche conformation (θ = 60°) of n-butane possess:

Rate of formation of SO₃ in the following reaction

is 100g min^-1. Hence, rate of disappearance of O₂ is:

Any gas shows maximum deviation from ideal gas at:

The de-Broglie wavelength of the electron in the ground state of hydrogen atom is ? Given: KE = 13.6 eV, 1 eV = 1.6*10 ^-19J.

For a first order homogenous gaseous reaction, then initial pressure was P, while total pressure after time ‘t’ was P_t. The write expression for the rate constants k in terms of P_i, P_t and t is:

In which of the following reactions, hydrogen peroxide acts as on oxidizing agent:

Heat of neutralization of H₂C₂O₄ (oxalic acid) is - 2 6 kcal mol^-1. Hence dissociation energy of:

Which is the correct order of dipole moments of the compounds:

Which carbocation is the most stabilized:

Nodal plane in the π bond is located in:

The correct order of increasing bond angles in the following triatomic species  

The schrodinger wave equation for hydrogen atom is:

where a_o is Bohr radius. Find position of radial node.