(24-01-2018) Major Test - 2 (GATE, Chemistry) - IIT JAM MCQ

For an endothermic reaction where DH represents the enthalpy of the reaction the minimum value for the energy of activation will be:

The edge length of a cube is 400 pm. Its body diagonal would be:

Partition function for a two level-system the lower state being non-degenerate the upper state is doubly degenerate:

Which is correct statement?

Half-life of a third order reaction    is given by:

At room temperature, which molecule has the minimum rotational entropy?           

The florescence is represented as:

The energy levels of the harmonic oscillator (neglecting zero point energy) are ε_v = nhν for
n = 0, 1, 2,………… . Assuming hν = K_BT, The partition function is:

The properties like melting point, solubility, color, etc changes on varying the

Arrange the following increasing order of their acidic strength:

The number of chemical shift non-equilibrium protons in ¹H NMR spectrum of α-pinene is:

Among the complexes (A) K₄[Cr(CN)₆], (B) K₄[Fe(CN)₆], (C) K₃[Co(CN)₆], and K₄[Mn(CN)₆]
John-Teller  distortion is expected in:

The reductive elimination of Ar—R (Coupled product) from A is facile when:

Isothermal which has fractional coverage, linearly, dependent on pressure at law pressure but almost independent at high pressure is called:

In cyclophesphazenes (NPX₂) [X = F, Cl, Br and Me), the strength of P—N   varies with X in the order:

Amongst the following, the metal carbonyl species having the highest ν_CO stretching frequency is:

The suitable reagent for the following conversion is:

Among the following which is antiaromatic:

Reagent (A) and (B) in blow reaction are:

Carbonyl compounds can generally be converted to hydrocarbons by:

The first excited state of hydrogen molecule is:

In the absence of bound globin chain heme group on exposure to O₂ gives the iron-oxygen species:

The major product formed in the following reaction is:

The structure type shape of the pelyhedrol (Skeletal) famework of the carborane, Me₂C₂B₁₀H₁₀, respectively, are:

Among the following, the natural product that is a steroid and contains an α, β-unsaturated lactone is:

HX is a weak acid (K_a = 10^–5). If forms a salt NaX (0.1M) on reacting with caustic soda. The degree of hydrolysis of NaX is:

For the reaction;

At a given temperature, the equilibrium amount of CO_2(g) can be increased by