List of top Chemistry Questions asked in TS POLYCET

Which of the following quantum numbers describes the spatial orientation of orbitals?
Which of the following represents the correct order of electronegativity among halogens?
Which of the following molecules has a triple bond?
Which of the following is not an ionic compound?
The bond angle in CH4 molecule is
The gas formed when Zn is treated with dil. HCl is
The molecule in which the central atom has one lone pair of electrons in its valence shell is
The compound formed in the following reaction is
\(\text{CH}_3-\text{CH}_2-\text{OH} \xrightarrow[\text{Conc. H}_2\text{SO}_4]{170^\circ\text{C}} \text{?}\)
Functional group present in carboxylic acid is
Plaster of Paris is___
What is the prefix used for functional group aldehyde ?
Pyrolusite is a ore of
In the process of calcination, the ore is heated in the___
Amorphous allotrope of carbon is
Nature of non-metal oxides is generally
Which one of the following is not formed when metal carbonate reacts with dilute acid?
Elements possessing atomic numbers, 3, 11, 19, 37 belong to__block.
The element discovered in the place of Eka-Aluminium is
The electronegativity difference between the elements 'A' and 'B' is 3, then the bond formed in AB molecule is
Which one of the following molecules has higher bond angle?
Germanium (Ge) is
The element which belongs to 3rd period and 14th group in Modern periodic table is
One mole of Propane (C3H8) on combustion given 'x' kilo joules at STP. Heat liberated by the combustion of 11.2 litres of Propane at STP in kilo joules is
4f elements are called as
The electronic configuration of an element is 2, 8, 6. Which one of the following element is chemically similar to the above element?