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Conversion of ethene to ethane is an example of ______.
Concept: Ethane
Give the structural formulae of Ethanoic acid.
Concept: Isomers
Give one word/a phase/term/process for the following statement:
The tendency of an element to form chains of identical atoms.
Concept: Special Features of Carbon
A hydrocarbon which is a greenhouse gas is ______.
Concept: Hydrocarbons: Alkanes
Conversion of ethanol to ethene by the action of concentrated sulphuric acid is an example of _________.
Concept: Hydrocarbons: Alkanes
Write the chemical equation for the following:
Combustion of methane
Concept: Ethanoic Acid
Give the structural formula of the following organic compound:
Methanal
Concept: Organic Compounds
Give a balanced equation for the following:
Conversion of acetic acid to ethyl acetate.
Concept: Laboratory Preparation of Ethanol
Higher the pH value of a solution, the more ______ it is.
Concept: Strength of Acidic or Basic Solutions
Write balanced chemical equations for Action of warm water on AIN.
Concept: Laboratory Preparation of Ammonia Gas
The energy required to remove an electron from a neutral isolated gaseous atom and convert it into a positively charged gaseous ion is called ____________. (electron affinity, ionization potential,
electronegativity)
Concept: Periodic Properties > Ionisation Potential (Ionisation Energy)
Calculate the number of gram atoms in 4.6 grams of sodium (Na = 23)
Concept: Periodic Properties
Match the atomic number 2, 4, 8, 15 and 19 with each of the following
1) A solid non metal belonging to the third period.
2) A metal of valency 1.
3) A gaseous element with valency 2.
4) An element belonging to Group 2
5) A rare gas.
Concept: Periodic Properties
Arrange the following as per the instruction given in the brackets:
He, Ar, Ne (Increasing order of the number of electron shells)
Concept: Periodic Properties > Electron Affinity
Arrange the following as per the instruction given in the brackets:
Na, Li, K (Increasing Ionisation Energy)
Concept: Periodic Properties > Ionisation Potential (Ionisation Energy)
Arrange the following as per the instruction given in the brackets :
F, Cl, Br (Increasing electronegativity)
Concept: Periodic Properties > Electronegativity
Arrange the following as per the instruction given in the brackets:
Na, K, Li (Increasing atomic size)
Concept: Periodic Properties > Atomic Radius Or Atomic Size
Draw an electron dot diagram to show the formation of each of the following compounds:
Methane
[H = 1, C = 6, Mg = 12, Cl = 17]
Concept: Periodic Properties > Electron Affinity
Draw an electron dot diagram to show the formation of each of the following compounds:
Magnesium Chloride
[H = 1, C = 6, Mg = 12, Cl = 17]
Concept: Periodic Properties > Electron Affinity
Choose the word or phrase from the brackets which correctly complete the following statement:
Metals are good ______ (oxidizing agents/reducing agents) because they are electron ______ (acceptors/donors).
Concept: Periodic Properties > Metallic and Non-metallic Characters
