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What are allotropes? Name any two allotropic forms of carbon. Give one use of it.

The term allotrope refers to one or more physical forms of a chemical element that occurs in the same physical state. Allotropes may show... View Article

The Oxidation Number of Cr In CrO5 which has the following structure is:

The oxidation number of Cr in CrO5 is +6.... View Article

Convert 37° Celsius to °Kelvin.

37° Celsius is equivalent to 310.15°Kelvin. The formula for converting temperature from Celsius to Kelvin is °K = °C + 273.15°.... View Article

Complete hydrolysis of cellulose gives

The complete hydrolysis of cellulose gives D-glucose. Cellulose is a linear chain polysaccharide composed only of β-D-glucose units, which... View Article

Alpha D glucose and beta D glucose are examples of (1) Enantiomers (2) Tautomers (3) Anomers (4) Epimers

Answer: (3) Anomers Alpha D glucose and beta D glucose are examples of anomers. Alpha D glucose can be written as α-D(+)-glucose, whereas bet D... View Article

When HNO₃ reacts with P₄O₁₀ the compounds formed is/are

When HNO3 reacts with P4O10 the compounds formed are HPO3 and N2O5.... View Article

What is a heterogeneous mixture? Give one example.

Mixtures containing physically distinct parts and non-uniform compositions that can be seen under a microscope are called heterogeneous mixtures.... View Article

Action of hydrogen iodide on anisole gives

The action of hydrogen iodide on anisole or methoxy benzene gives phenol and iodomethane or methyl idodide.... View Article

Hybridisition of SO₂

The hybridisition of SO2 is sp2. The hybridization of SO2 include sigma and pi bonds.... View Article

One mole of CO₂ contains

One mole of CO2 contains one mole of carbon and 2 moles of oxygen, i.e. 6.023 x 1023 atoms of C and 12.04 x 1023 atoms of oxygen. 6.023 x... View Article

What are the constituents of brass?

Copper and Zinc are the constituents of brass. We know that brass is a metallic alloy that is made of copper and zinc. Different proportions of... View Article

What is hinsberg reagent?

Benzenesulphonyl chloride, which is also known as Hinsberg’s reagent, reacts with primary and secondary amines to form sulphonamides. The... View Article

What are artificial sweetening agents give two examples?

Artificial sweetener is one of the most attractive substitutes to sugar as it does not add many calories to our diet. Ortho-sulphobenzimide, also... View Article

The screening effect of d electrons is

The screening effect of d- electrons is less than p - electrons. The order of screening effect of s, p, d and f electrons is s > p > d >... View Article

Differentiate between evaporation and boiling.

Evaporation is a normal process that occurs when the liquid form changes into the gaseous state; while causing an increase in the pressure or... View Article

What is sieving where can it be used?

Sieving is one of the methods of separating substances from their mixtures. The difference in the size of particles in a mixture is utilised to... View Article

Define bond length.

Bond length is defined as the equilibrium distance between the nuclei of two bonded atoms in a molecule. Bond lengths are measured by... View Article

State and explain law of multiple proportions with the help of an example.

The Law of multiple proportions states that when two elements combine to form two or more compounds, the weights of one element combined with a... View Article

Write the name and formula of a basic salt.

The name of a basic salt is Sodium carbonate, and its chemical formula is Na2CO3. This is produced due to the reaction between sodium hydroxide,... View Article

Write the balanced chemical equation for the process of photosynthesis.

The general balanced equation for the process of photosynthesis according to Kamen and Ruban (1941) is 6CO2 + 6H2O → C6H12O6 + 6O2 + 6H2O... View Article

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