AIPMT-NEET 2014 Chemistry

(I) H₂O₂ + O₃ → H₂O + 2O₂
(II) H₂O₂ + Ag₂O → 2Ag + H₂O + O₂
Role of hydrogen peroxide in the above reactions is respectively

1.0 g of magnesium is burnt with 0.56 g O₂ in a closed vessel.Which reactant is left in excess and how much? (At.wt.Mg=24, O=16)

Acidity of diprotic acids in aqueous solutions increases in the order

Among the following complexes the one which shows zero crystal field stabilization energy (CFSE) is

Among the following sets of reactants which one produces anisole

Artificial sweetener which is stable under cold conditions only is

Be²⁺ is isoelectronic with which of the following ions?

Calculate the energy in joule corresponding to light of wavelength 45 nm.(Plank’s constant , h=6.63 ˣ 10⁻³⁴ Js, speed of light , c = 3 ˣ 10⁸ ms⁻¹)

D(+)-glucose reacts with hydroxyl amine and yields an oxime. The structure of the oxime would be

Equal masses of H₂, O₂ and methane have been taken in a container of volume V at temperature 27⁰C in identical conditions.The ratio of the volumes of gases H₂:O₂: methane would be

For a given exothermic reaction, Kp and K’p are the equilibrium constants at temperature T₁ and T₂, respectively. Assuming that heat of reaction is constant in temperature range between T₁ and T₂, it is readily observed that

For the reaction , X₂O₄(l) → 2XO₂(g)
ΔU = 2.1 kcal, ΔS = 20 cal K⁻¹ at 300K
Hence, ΔG is

For the reversible reaction ,
N₂(g) + 3H₂(g) ⇌ 2NH₃(g) + heat
The equilibrium shifts in forward direction

If a is the length of the side of a cube the distance between the body centered atom and one corner atom in the cube will be

In acidic medium, H₂O₂ changes Cr₂O₇²⁻ to CrO₅ which has two ( -O – O -) bonds. Oxidation state of Cr in CrO₅ is

In the Kjeldahl’s method for estimation of nitrogen present in a soil sample, ammonia evolved from 0.75 g of sample neutralized 10 ml of 1 M H₂SO₄. The percentage of nitrogen in the soil is

Magnetic moment 2.83 BM is given by which of the following ions

Of the following 0.10 m aqueous solution which one will exhibit the largest freezing point depression

Reason of lanthanoid contraction is

The pair of compounds that can exist together is

The reaction of aqueous KMnO₄ with H₂O₂ in acidic conditions gives

The weight of silver (at.wt. = 108) displaced by a quantity of electricity which displaces 5600 mL of O₂ at STP will be

Using the Gibb’s energy change,ΔG⁰ = +63.3 kJ, for the following reaction ,Ag₂CO₃(s) ⇌ 2Ag⁺(aq) + CO₃²⁻(aq) the Ksp of Ag₂CO₃(s) in water at 25⁰C is

What is the maximum number of orbitals that can be identified with the following quantum numbers ? n =3,l =1,ml =0

What products are formed when the following compound is treated with Br₂ in the presence of FeBr₃

When 0.1 mol MnO₄²⁻ is oxidised the quantity of electricity required to completely oxidise MnO₄²⁻ to MnO₄⁻ is

When 22.4 litres of H₂(g) is mixed with 11.2 litres of Cl₂(g) each at S.T.P, the moles of HCl(g) formed is equal to

Which of the following complexes is used to be as an anticancer agent

Which of the following compounds will undergo racemisation when solution of KOH hydrolyses

Which of the following hormones is produced under the conditions of stress which stimulate glycogenolysis in the liver of human beings

Which of the following molecules has the maximum dipoles moment

Which of the following orders of ionic radii is correctly represented

Which of the following organic compounds has same hybridization as its combustion product (CO₂)

Which of the following organic compounds polymerizes to form the polyester Dacron

Which of the following salts will give highest pH in water

Which of the following species has plane triangular shape

Which of the following statements is correct for the spontaneous adsorption of a gas

Which of the following will be most stable diazonium salt RN₂⁺ X⁻

Which of the following will not be soluble in sodium hydrogen carbonate

Which one of the following is an example of thermosetting polymer

Which one of the following is not a Common component of photo chemical smog

Which property of colloidal solution is not dependent on the charge on colloidal particles

Which one of the following species has plane triangular shape

Which of the following is not a common component of Photochemical Smong