Would you be able to check if water is hard by using a detergent? Solution: It is not possible to check if water is hard by using a...

What are oxidising agents? Solution: Oxidising agents are those compounds which either removes Hydrogen or adds oxygen to a compound. Ex:...

How would you distinguish experimentally between an alcohol and a carboxylic acid? Solution: On reaction with Sodium Carbonate,...

A mixture of oxygen and ethyne is burnt for welding. Can you tell why a mixture of ethyne and air is not used? Solution: A mixture of...

Why is the conversion of ethanol to ethanoic acid an oxidation reaction? The removal of Hydrogen atom and addition of oxygen it is an...

What are the two properties of carbon which lead to the huge number of carbon compounds we see around us? Solution: Two properties of...

How many structural isomers can you draw for pentane? Solution: Structural isomer of pentane are n-pentane 2-methylbutane 2,...

IUPAC Nomenclature Practice Sheet - 4

IUPAC Nomenclature Practice Sheet - 3

Q. If a plant is releasing carbon dioxide and taking in oxygen during the day, does it mean that there is no photosynthesis...

A solid between A and B has the following arrangement of atoms Atoms A are arranged in ccp array Atoms B occupy all the octahedral voids...

Compound name Molecular weight Molecular formula 1 Acetic acid 60.052 g/mol CH3COOH 2 Hydrochloric acid 36.458 g/mol HCl 3 Sulfuric...

Compare and contrast the arrangement of elements in Mendeleev’s Periodic Table and the Modern Periodic Table. Solution: Mendeleev’s...

In the Modern Periodic Table, calcium (atomic number 20) is surrounded by elements with atomic numbers 12, 19, 21 and 38. Which of these...

Nitrogen (atomic number 7) and phosphorus (atomic number 15) belong to group 15 of the Periodic Table. Write the electronic configuration...

An atom has electronic configuration 2, 8, 7. (a) What is the atomic number of this element? (b) To which of the following elements would...

3. Name (a) Three elements that have a single electron in their outermost shells. (b) Two elements that have two electrons in their...

What were the criteria used by Mendeleev in creating his Periodic Table? Solution: Mendeleev concentrated on various compounds formed by...