Among the following, the set of parameters that represents path functions, is:

(A) q+w

(B) q

(C) w

(D) H-TS

• A, B and C

• B, C and D

• B and C

• A and D

The degenrate orbitals of [Cr(H₂O)₆]³⁺ are

• d_yz and d_z2

• d_x2 and d_xz

• d_xz and d_yz

• ${\mathrm{d}}_{{\mathrm{x}}^2-{\mathrm{y}}^2}$and d_xy

The element having greatest difference between its first and second ionization energies, is

• K

• Ca

• Ba

• Sc

4.

The standard Gibbs energy for the given cell reaction in kJ mol^-1 at 298 K is:

Zn (s) + Cu²⁺ (aq) → Zn²⁺ (aq) + Cu (s), E° = 2V at 298 K

• -192

• 384

• -384

• 192

Among the following, the molecule expected to be stabilized by anion formation is: 

C₂, O₂, NO and F₂

• NO

• C₂

• F₂

• O₂

For any given series of spectral lines of atomic hydrogen, let $∆\overline{\mathrm{v}} = {\overline{\mathrm{v}}}_{\max } - {\overline{\mathrm{v}}}_{\min }$ be the difference in maximum and minimum frequencies in cm^-1. The ratio $∆{\overline{\mathrm{v}}}_{\mathrm{Balmer}}$ is:

• 4 : 1

• 9 : 4

• 5 : 4

• 27.5

For a reaction, N₂ (g) + 3H₂ (g) → 2NH₃ (g); Identify dihydrogen (H₂) as a limiting reagent in the following reaction mixtures.

• 35 gm of N₂ + 8 gm of H₂

• 28 gm of N₂ + 6 gm of H₂

• 56 gm of N₂ + 10 gm of H₂

• 14 gm of N₂ + 4 gm of H₂

Liquid ‘M’ and liquid ‘N’ form an ideal solution. The vapour pressures of pure liquids ‘M’ and ‘N’ are 450 and 700mm Hg, respectively, at the same temperature. Then correct statement is:

(x_M = Mole fraction of 'M' is solution; x_N = Mole fraction of 'N' in solution; y_M = Mole fraction of 'M' in vapour phase; y_N = Mole fraction of 'N' in vapour phase)

• $\frac{{\mathrm{x}}_{\mathrm{M}}}{{\mathrm{x}}_{\mathrm{N}}} < \frac{{\mathrm{y}}_{\mathrm{M}}}{{\mathrm{y}}_{\mathrm{N}}}$

• $\frac{{\mathrm{x}}_{\mathrm{M}}}{{\mathrm{x}}_{\mathrm{N}}} = \frac{{\mathrm{y}}_{\mathrm{M}}}{{\mathrm{y}}_{\mathrm{N}}}$

• $\frac{{\mathrm{x}}_{\mathrm{M}}}{{\mathrm{x}}_{\mathrm{N}}} > \frac{{\mathrm{y}}_{\mathrm{M}}}{{\mathrm{y}}_{\mathrm{N}}}$

• (x_M - y_M) < (x_N - y_N)

The correct IUPAC name of following compound 

• 2-methyl–5-nitro-1-chlorobenzene

• 2-chloro–1-methyl-4-nitrobenzene

• 5-chloro–4–methyl–1–nitrobenzene

• 3-chloro–4–methyl–1–nitrobenzene

The organic compound that gives following qualitative analysis is:

Test	Inference
a. Dil. HCl	Insoluble
b. NaOH solution	Soluble
c. Br2/ water	Decolourization