List of top Chemistry Questions

0.5 gm of an organic compound with 60%. Carbon produce ______ gm of \(CO_{2}\) upon complete combustion
The flux used in extraction of iron from haematite is
How many molecules of hydrogen are present in 10 g of hydrogen ?
The gas liberated when metallic sodium reacts with ethanol
Which one of the following pair belongs to same homologous series?
What is the molar ratio of hydrogen and oxygen in the formation of water ?
Identify the correct ascending order of energies of forbitals.
"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?
The total number of inner transition elements in the modern periodic table is
General formula of alkynes
Which of the following represents the correct order of electronegativity among halogens?
The molecule in which the central atom has one lone pair of electrons in its valence shell is
The gas formed when Zn is treated with dil. HCl is
The compound formed in the following reaction is
\(\text{CH}_3-\text{CH}_2-\text{OH} \xrightarrow[\text{Conc. H}_2\text{SO}_4]{170^\circ\text{C}} \text{?}\)
Which of the following molecules has a triple bond?
Plaster of Paris is___
Functional group present in carboxylic acid is
What is the prefix used for functional group aldehyde ?
The bond angle in CH4 molecule is
Which of the following is not an ionic compound?
Nature of non-metal oxides is generally
Elements possessing atomic numbers, 3, 11, 19, 37 belong to__block.
The element discovered in the place of Eka-Aluminium is
Germanium (Ge) is