List of top Chemistry Questions

0.5 gm of an organic compound with 60%. Carbon produce ______ gm of \(CO_{2}\) upon complete combustion
General formula of alkynes
"Pairing of electrons in orbitals starts only when the available degenerate orbitals are singly filled" is stated by
Which of the following quantum numbers describes the spatial orientation of orbitals?
Identify the correct ascending order of energies of forbitals.
Which one of the following pair belongs to same homologous series?
The gas liberated when metallic sodium reacts with ethanol
The flux used in extraction of iron from haematite is
What is the molar ratio of hydrogen and oxygen in the formation of water ?
How many molecules of hydrogen are present in 10 g of hydrogen ?
Which of the following represents the correct order of electronegativity among halogens?
The bond angle in CH4 molecule is
Plaster of Paris is___
Which of the following molecules has a triple bond?
Which of the following is not an ionic compound?
The gas formed when Zn is treated with dil. HCl is
The compound formed in the following reaction is
\(\text{CH}_3-\text{CH}_2-\text{OH} \xrightarrow[\text{Conc. H}_2\text{SO}_4]{170^\circ\text{C}} \text{?}\)
The molecule in which the central atom has one lone pair of electrons in its valence shell is
What is the prefix used for functional group aldehyde ?
Functional group present in carboxylic acid is
Elements possessing atomic numbers, 3, 11, 19, 37 belong to__block.
In the process of calcination, the ore is heated in the___
Nature of non-metal oxides is generally
Amorphous allotrope of carbon is
Which one of the following molecules has higher bond angle?