Mix Test - 2...

Reaction A + B C + D is a reversible reaction; which means if we start with A + B, we get C + D, and if we start with C + D, we get A + B.
It is given that when A + B C + D, G = (-)ve if we start with A and B.

What will be G for the reaction C + D A + B if we start with C and D?

Identify the product in the above reaction.

A certain weak acid has a dissociation constant 1.0 10^-4. The equilibrium constant for its reaction with a strong base is:

In the complex ion , M has four d-electrons and L is a strong field ligand. According to crystal field theory, the magnetic properties of the complex ion correspond to how many unpaired electrons?

CH₂=CH-CH₂-CH₂-NH₂ Product

The major product is

The standard reduction potentials of Cu²⁺/Cu and Cu⁺/Cu are 0.339 V and 0.518 V, respectively. The standard electrode potential of Cu²⁺/Cu⁺ half-cell is

Rate constant of a reaction with a virus is 3.3 x 10^-4 s^-1. Time required for the virus to become 75% inactivated is: (Assume that virus growth cannot take place simultaneously.)

One mol of the complex CoCl₃.6H₂O on reaction with excess of AgNO₃ gives two mol of white precipitate. Thus, the complex is:

If atoms of radius 'r' form face-centred cubic unit cell of edge length 'a', the correct relation is:

Identify 'F' in the following reaction sequence:

Which of the following is correct?

The weight of chlorine gas undergoing oxidation when excess of chlorine is sent into hot concentrated caustic soda solution containing 24 grams of solute in it is:

3Cl₂ + 6NaOH 5NaCl + NaClO₃ + 3H₂O

In a nitrosyl complex, the odd electron on nitrogen of the coordinated nitrosyl is transferred to vacant (n - 1)d subshell of the central metal. Hence, the spin-only magnetic moment of the complex K[Cr(CN)₄(NH₃)(NO)] assuming the metal ion to be in the strong field is:

The correct stability order for the following species is:

Which one of the following compounds is most likely to give effervescence of CO₂ with NaHCO₃?

When H₂O₂ is added to an acidified solution of K₂Cr₂O_7,

One mole of N₂, 2 moles of H₂ and 3 moles of ammonia are taken in a one-litre flask. The equilibrium concentration of ammonia is: (Equilibrium constant for the decomposition of ammonia = 1.89 x 10^-1 mol² L^-2)

What happens if alkali metals are allowed to react with concentrated liquid ammonia?

The major product (D) in the following reaction sequence is:

The bond energy order of and is:

A solution containing NaHCO₃ and Na₂CO₃ was treated with excess of CaCl₂ solution and filtered. m₁ g of precipitate was obtained. On adding NaOH drop by drop, a further m₂ g was precipitated. If after addition of CaCl₂, the solution was not filtered but was boiled and filtered, what would have been the total weight of the precipitate?

In an organic compound X, only -NH₂ groups are linked to -CH₂- groups in its structure. If the ratio of mass % of NH₂ and mass % of CH₂ is 8 : 7, find out the ratio of mass % of C to that of H in the compound.

The difference in vibrational kinetic energies per mole of CO₂ and SO₂ at temperature T, according to law of equipartition of energy, is equal to

The relative order of basic character of the following compounds is:

A first order reaction is 50% completed in 20 minutes at 27^oC and in 5 minutes at 47^oC. The energy of activation of the reaction is:

Consider the reaction:



If the initial concentration of A is 0.5 M, then select the correct graph.

Decomposition of A in a rigid closed vessel takes place as A(g) 3B(g), which follows 1^st order kinetics. Reaction is started with an equimolar mixture of a gas A and an inert gas X. The initial pressure was 4 atm and at the end of 20 min, the total pressure is 6 atm. The time required for 75% reaction of A will be

The volume of N₂ at NTP required to form a monolayer on the surface of iron catalyst is 8.15 ml per gram of the adsorbent. What will be the surface area of the adsorbent, if each nitrogen molecule occupies 16 10^-20 m²?

Consider: FeSO₄ A + B + C
Here, (B) and (C) are gases and (A) is a red brown solid. (B) can be oxidised to (C). (B) also turns acidified K₂Cr₂O₇ solution green. (A) dissolves in HCl to give deep yellow solution (D). (D) gives a blue coloured complex (E) with potassium ferrocyanide. Identify A, B, D and E.

600 ml of ozonised oxygen weighs 1 g at NTP. The volume composition of ozone and oxygen in the mixture is: