Mix Test - 4...

When electrons are trapped into the crystal lattice in place of anion vacancy, the defect in the crystal is known as

The pH of the solution containing 5mL of M/5 HCl and 10 mL of M/10 NaOH is

The coagulating power of an electrolyte for arsenious sulphide decreases in the order:

The correct order of hybridisation of the central atom in the following species?

NH₃, [PtCl₄]^2-, PCl₅ and BCl₃ is

As compared to nitrogen, oxygen is

Which of the following conversions involves a change in both hybridisation and geometry?

At low pressures, the compression factor of CO₂ having constant value of molar volume

For the reaction

C₃H₈ (g) + 5O₂ (g) 3CO₂ (g) + 4H₂O ()

At constant temperature, – is

Which of the following is the strongest base?

OH^–, F^–, ,

Which of the following processes is used to convert vegetable oil to vegetable ghee?

The product(s) of photochemical smog is/are:

1. Peroxyacetyl nitrate
2. Carbon monoxide
3. Ozone

The general formula B_nH_n+6 for boranes, corresponds to

In the reaction 2X + Y X₂Y, the reactant X disappears at

A compound of Xe and F found to have 53.5% Xe, the oxidation number of Xe in this compound is (at.wt. of Xe = 131, F = 19)

Nitration of aniline in strongly acidic medium results in the formation of m-nitroaniline as a major product. This is because