IIT JAM Chemistry Mock Test 5

The compound in ‘R’ configuration is:

Emf(Volt) of following cell at 25°C would be:

Which one among following is incorrect?

The pH of the blood is maintained by the balance between H₂CO₃ and NaHCO₃. If the amount of CO₂ in the blood is increased how will it affect the pH of blood?

The change in the hybrid state of BeCl₂ in the solid state from vapour state is:

Which emission results in formation of an isotope of the parent element:           

The major product formed in the following reaction is:

Which sequence of steps describes the best synthesis of 2-methyl-3-pentanone?

Major product would be

Major product is:

Which statements are correct about the following disaccharide?

The angular part of the wave function for the electron in a hydrogen atom is proportional to sin²θcosθe^2iφ. The values of the azimuthal quantum number (l) and the magnetic quantum number (m) are, respectively

Which of the following reaction has abnormal forward rate of reaction:
 

Arrange the following in increasing order of C—O stretching frequency:
I. [Mn(CO)₆]⁺    II. CO    III. AlCl₃(CO)    IV.[V(CO)₆]^–

Select the correct statement:

Which of the following acts as Lewis acid:

Which of the following is true about Phosphorus are?

Equivalent conductance of BaCl₂, H₂SO₄ and HCl are x₁, x₂ and x₃ S cm² equiv^–1 at infinite dilution. If specific conductance of saturated BaSO₄ solution is y S cm^–1 then K_sp of BaSO₄ is:

0.004 M Na₂SO₄ is isotonic with 0.01 M Glucose. It’s degree of dissociation will be:

Molecules formula of a compound is C₉H₁₀O₂. It shows following value in IR &¹H NMR spectroscopy: IR (cm^–1): 1745, 1225, 749, 697. ¹H NMR: 2.06 (3H, s), 5.08 (2H, s), 7.22 (5H, s).

An organic compound A(C₈H₁₆O₂) on treatment with an excess of Methylmagnesium chloride generated two alcohols B and C, whereas reaction of A with lithium Aluminium hydride generated  only a single alcohol C. Compound B on treatment with an acid yielded an olefin ?(C₆H₁₂), which exhibited only a singlet at δ 1.6 ppm in the ¹H NMR spectrum. The compound A is:

Major product formed in the reaction sequence is:

The major product formed in the following reaction is:

The cell reaction for the given cell is spontaneous if

A metal crystallizes in two cubic phases, fcc and bcc whose unit cell lengths are 3.5Å and 3.0Å resp. What would be the ratio of their densities of fcc to bcc?           

The species which by definition has zero standard molar enthalpy of formation at 298 K is:

Choose the correct statement(s) in reference to simple Harmonic and Anharmonic oscillator model?
(I) Two curves differ widely in lower and higher inter-nuclear distance region
(II) The actual energy diagram rises more steeply than harmonic parabola energy diagram in lower inter-nuclear distance region
(III) In the region near to equilibrium inter-nuclear distance, the curves do not show appreciable departure
(IV) In higher inter-nuclear distance region, rise for actual energy diagram is less steep

Which of the following conversions are true?

Which of the following fluorescent indicator(s) is(are) used in acidic pH range:           

Correct statement/s is/are:

The ideal octahedral geometry will be observed in:

Choose the correct statement/s:

In the following reaction,

X can be

Among the following complexes, the ones that show(s) optical activity are:
I = [Ru(bipyridyl)₃]⁺, II = [Cr(EDTA)]^-, III  = trans[Cr(Cl)₂(oxalate)₂]^3-, IV = cis[Cr(Cl)₂(oxalate)₂]^3-

Fe²⁺-porphyrins fail to exhibit reversible oxygen transport and cannot differentiate CO from O₂. However, the hemoglobin is free from both these pit falls. Among the following

Choose the correct statement/s:           

Which of the following amino acid(s) move towards cathode in the electrophoresis at pH = 5?           

M/O₂ binding ratio in Hemocyanin is (where M is metal center):

The total number of reactions in which condensation take/s place:
 
 
 

Polyethylene can be produced from calcium carbide according to the following sequence of reactions;

The mass of polyethylene (in kg) which can be produced from 20.0 kg of pure CaC₂ is
(rounded up to two decimal place):

Sum of molecular mass of A + B + C + D + E = ?
; 
; 

Calculate log[Keq] value for the reaction  →  The standard reduction potential in acidic conditions are 0.78 V and 0.54 V respectively for Fe³⁺|Fe²⁺ and I₃^–| I^– couples: (rounded up to first decimal place):

Using the values given in Table below, calculate the value (rounded up to first decimal place) of Born exponent for BaO:

The total number of hydrogen bonds in CuSO₄.5H₂O

For a reaction, the value of Gibb's free energy is 13 KJ. Assume enthalpy change of the reaction is two times the value of of Gibb's free energy. Calculate corresponding the temperature (in K, rounded up to first decimal place) of reaction   if |∆S| (Joules/K) is given as following (rounded up to first decimal place):

A buffer solution P^H (9.26) is made by dissolving x-mole of ammonium sulphate and 0.1 mole of ammonia into 100 ml solution. If PK_b of ammonia is 4.74, calculate the mole(s) of ammonium sulphate (rounded up to first decimal place):

The diffraction of Barium atom with x-ray radiation of wavelength 2.29Å gives a first order reflection at 30°. What is the distance between the diffracted planes? [Gives Sin30 = ½, rounded up to two decimal place]:

Ethylene glycol CH₂OH—CH₂OH is a common automobile antifreeze. It is water soluble and fairly non-volatile (b.p = 197°C). Calculate the freezing point (^oC) of a solution containing 651 gm of thin substance in 2505 gm of water (rounded up to two decimal place):
(Kf = 1.86 ^oC/m, Mol. Mass of ethylene glycol = 62 gm mole^–1)

Among the species O₂, O₂^-, O₂^2-, O₂⁺ their respective bond order values are w, x, y and z respectively. What is the value of w + x + y + z?

The adsorption of a gas follows the Langmuir isotherm with K = 1.25 kPa^-1 at 25^oC. The pressure in Pascal at which surface coverage is 0.2 is___? (rounded up to two decimal place)

The amount of Bromine (At. Wt. = 80) required in grams for the estimation of 42.3 g of phenol (M.Wt. = 94 g/mol) is ___? (rounded up to first decimal place):

Consider an isothermal reversible compression of one mole of an ideal gas in which the pressure of system is increased from 5 atm to 30 atm at 300 K. The entropy change of surrounding in J/K is___? (rounded up to first decimal place):

Number of moles of ions produced by the complete dissociation of one mole of Mohr’s salt in water is:

Based on principle of equipartition of energy, the molar heat capacity of CO₂ at constant volume is C_v,m is xR. The value of ‘x’is__? (rounded up to first decimal place):

Choose the correct number of relationships among following pairs:
Camphor-Terpene; Insulin-Protein; Nicotine-Alkaloid; Streptomycin-Carbohydrate

A quantum mechanical particle of mass ‘m’ free to rotate on a surface of sphere of radius ‘r’ is in the state with energy 10h²/mr². The degeneracy of the state is?

Consider ideal mixing of 2 moles of toluene and 2 moles of benzene at 1 atm and 300K. Calculate the sum of the values of Δ_mixV, Δ_mixU, Δ_mixH, Δ_mixG and Δ_mixS for the process. (ln2=0.69, rounded up to first decimal place):