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What is the equivalent weight of iron in ferric chloride?

An equivalent weight of a solution is defined as the molecular weight of the solute divided by the valence of... View Article

Which are the factors that contribute to lattice energy of an ionic compounds. (a) charge on the ion and size of the ion.(b) packing of ions only (c) size of the ion only (d) charge on the ion only

The correct answer is (a) charge on the ion and size of the ion Lattice energy Lattice energy can be defined... View Article

State henry’s law and its application

Henry’s law was first formulated in 1803 by an English physician and chemist William Henry. Henry’s law Henry’s law states... View Article

Ortho–nitrophenol is less soluble in water than p– and m– nitrophenols why?

Ortho Nitrophenol is less soluble in water than para and meta nitrophenols because Ortho Nitrophenol is more volatile in steam... View Article

Is that possible to store copper sulphate solutions in a zinc pot?

Copper is less reactive than zinc. Zinc will replace the copper from its salt solution. When the copper sulphate solution... View Article

The compressibility factor for an ideal gas is a. 1.5 b. 1.0 c. 2.0 d. ∞

Compressibility factor of an ideal gas is the correction factor used to describe the deviation of a real gas behaviour... View Article

Calculate the no. of iron atoms present in one molecule of haemoglobin given that haemoglobin contains 0.33% of iron by weight. the molecular weight of it is approx. 67200. options : (1) 1 (2) 2 (3) 4 (4) 6

Percentage of iron present in Haemoglobin = 0.33% Molecular weight = 67200 Weight of iron = 0.33/100*67200 =221.76 The atomic... View Article

According tp VSEPR theory predict the geometry and shape of i3+ ion

The structure of I3+ is bent or V-shaped and the hybridization is sp3 The formula for determining the hybridization is... View Article

How many grams of conc.nitric acid solution should be used to prepare 250ml of 2m HNO₃?Given the concentrated acid is 70% HNO₃

The term molarity for a provided solution is described as the total number of moles of solute per litre of... View Article

Differentiate between buna-n and buna-s.

BUNA-N and BUNA-S are polymers. Both are examples of synthetic rubbers. Let, us know the difference between them. The difference... View Article

How bond order is calculated and why co+ has bond order 3.5?

Bond order=1/2(bonding−anti-bonding) According to molecular orbital diagram, the bond order of CO+ is 3.5 The highest occupied molecular orbital is... View Article

How to find the hybridisation of chlorine in chlorate ion?

Hybridization of chlorine in chlorate ion is sp3 hybridized and has a pyramidal shape Answer Hybridization is characterised as the... View Article

Rewrite the given equation in its balanced form and find the n factor of Pb+PbO₂+H₂SO₄PbSO₄+H₂O

Pb+PbO2+H2SO4→PbSO4+H2O We have to balance the given reaction. On balancing the given reaction we get Pb+PbO2+2H2SO4→2PbSO4+2H2O Calculation of n factor... View Article

Using Mulliken-barker test how the nitro group is detected?

Answer: Mulliken barker test is used for the detection of the mono nitro group in our compound. -NO2 is reduced... View Article

Dinitrogen and dihydrogen react with each other to produce ammonia according to the following chemical equation: N2(g) + 3H2(g) →2NH3(g) (i) calculate the mass of ammonia produced if 2.00 × 10^3 g dinitrogen reacts with 1.00 × 10^3 g of dihydrogen. (ii) will any of the two reactants remain unreacted? if yes which one ?(iii) what would be its mass?

Dinitrogen and dihydrogen react with each other to produce ammonia N2(g) + 3H2(g) →2NH3(g) 28g 6g ... View Article

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