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Two liquids A and B form an ideal solution. At 320 K, the vapour pressure of the solution, containing 3 mol of A and 1 mol of B is 500 mm Hg. At the same temperature, if 1 mol of A is further added to this solution, vapour pressure of the solution increases by 20 mm Hg. Vapour pressure (in mm Hg) of B in pure state is _____. (Nearest integer)

Two liquids A and B form an ideal solution vapour pressure numerical Q. Two liquids A and B form an […]

X₂(g) + Y₂(g) ⇌ 2Z(g) X₂(g) and Y₂(g) are added to a 1 L flask and it is found that the system attains the above equilibrium at T(K) with the number of moles of X₂(g), Y₂(g) and Z(g) being 3, 3 and 9 mol respectively (equilibrium moles). Under this condition of equilibrium, 10 mol of Z(g) is added to the flask and the temperature is maintained at T(K). Then the number of moles of Z(g) in the flask when the new equilibrium is established is _____. (Nearest integer)

X2(g) + Y2(g) ⇌ 2Z(g) equilibrium numerical question Q. X2(g) + Y2(g) ⇌ 2Z(g) X2(g) and Y2(g) are added to

200 cc of x × 10⁻³ M potassium dichromate is required to oxidise 750 cc of 0.6 M Mohr’s salt solution in acidic medium. Here x = _____.

200 cc of x × 10⁻³ M potassium dichromate is required to oxidise 750 cc of 0.6 M Mohr’s salt

Total number of unpaired electrons present in the central metal atoms/ions of [Ni(CO)4], [NiCl4]2−, [PtCl2(NH3)2], [Ni(CN)4]2− and [Pt(CN)4]2− is _____.

Total number of unpaired electrons present in the central metal atoms or ions Q. Total number of unpaired electrons present

Elements X and Y belong to Group 15. The difference between the electronegativity values of ‘X’ and phosphorus is higher than that of the difference between phosphorus and ‘Y’. ‘X’ & ‘Y’ are respectively

Elements X and Y belong to Group 15. The difference between the electronegativity values of X and phosphorus is higher

Identify the CORRECT set of details from the following : A. [Co(NH3)6]3+ : Inner orbital complex; d2sp3 hybridized B. [MnCl6]3− : Outer orbital complex; sp3d2 hybridized C. [CoF6]3− : Outer orbital complex; d2sp3 hybridized D. [FeF6]3− : Outer orbital complex; sp3d2 hybridized E. [Ni(CN)4]2− : Inner orbital complex; sp3 hybridized Choose the correct answer from the options given below :

Identify the CORRECT set of details from the following Q. Identify the CORRECT set of details from the following :

It is noticed that Pb²⁺ is more stable than Pb⁴⁺ but Sn²⁺ is less stable than Sn⁴⁺. Observe the following reactions. PbO₂ + Pb → 2PbO; ΔᵣG° (1) SnO₂ + Sn → 2SnO; ΔᵣG° (2) Identify the correct set from the following

It is noticed that Pb²⁺ is more stable than Pb⁴⁺ but Sn²⁺ is less stable than Sn⁴⁺. Observe the following

Which statements are NOT TRUE about XeO2F2?

Which statements are NOT TRUE about XeO2F2? Q. Which statements are NOT TRUE about XeO2F2? A. It has a see-saw

Identify the INCORRECT statements from the following :

Identify the INCORRECT statements from the following Q. Identify the INCORRECT statements from the following : A. Notation 2412Mg represents

A student has been given a compound “x” of molecular formula- C6H7N. “x” is sparingly soluble in water. However, on addition of dilute mineral acid, “x” becomes soluble in water. “x” when treated with CHCl3 and KOH(alc), “y” is produced. “y” has a specific unpleasant smell. On treatment with benzenesulphonyl chloride, “x” gives a compound “z” which is soluble in alkali. The number of different “H” atoms present in “z” is:-

A student has been given a compound x of molecular formula C6H7N. x is sparingly soluble in water Q. A

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