IIT JAM Chemistry Mock Test 3 - Chemistry MCQ

In a multi layered close-packed structure:           

Red color complex ion formed on adding FeCl₃ to sodium extract, when N and S both are present in organic compounds is:

The thermal stability among B₂X₄ is:

The reaction that yields Li[AlH₄] is:

Vairation of log₁₀ K with1/T is shown by the following graph in which straight line is at 45°, hence ∆H° is:

Release of O₂ from oxy-haemoglobin is favoured by

Hydrolysis of sucrose is called?           

How many sigma and pi bonds are present in tetracyanoethylene?           

Arrange the following complex in increadsing order of stretching vibrational frequency of C-O bond :


 

The process of removing lighter gangue particles by washing in a current of water is called:             

Low oxidation state complexes are often air-sensitive, but are rarely water sensitive because:           

Plot of magnetic susceptibility with temperature show variation as given below. Such behaviour corresponds to:

Identify the product of the following reaction

The suitable reaction steps for the following transformation:

Major product formed in the given reaction is:

Consider following reagent:           
(I) Br2 water                      (II) Tollen's reagent             (III) Fehling's solution           
Which can be used to make distinction between an aldose and a ketone?           

Major product formed during the given reaction is:

For a particle with projection r = 2i – 3j + k and momentum p = i + 2j – 2k in meter and Kg m/sec respectively, calculate the magnitude of angular momentum:

If the radius of first Bohr orbit be ao, then the radius of third orbit would be:           

In the following radioactive decay, ²³²X₉₂ → ²²⁰Y₈₉. How many a and β- particles are ejected from X to form Y?           

If excluded volume is taken zero, compressibility factor Z is

At a certain temperature vapour pressure of pure ether is 646 mm and that of pure acetone is 283 mm. Calculate the mole fraction of each component in the vapour state if the mole fraction of ether in the solution is 0.50?          

Compounds K₂Ba[Cu(NO₂)₆] (A) and Cs₂Ba[Cu(NO₂)₆] (B) exhibit tetragonal elongation and tetragonal compression, respectively. The unpaired electron in A and B are found respectively, in orbitals:

The correct order of energy level of d-orbital or ferrocene is:

Calculate ΔH at 358 K for the reaction  
Given that DH₂₉₈ = – 33.29 kJ mole^–1 and C_p for Fe₂O₃(S), Fe(s), H₂O(l) and H₂(g) are 103.8, 25.1, 75.3 and 28.8 J/k mole respectively.

The virial expansion for a real gas can be written in either of the following forms:

 
If B_v = aB_p, the value of a would be

In the ¹H NMR spectrum of myrtenal, the two methyl groups are expected to display signals at (chemical shift values (δ) m ppm)