📚NCERT Questions — CBSE11

Which of the following molecules is diamagnetic?

In drawing Lewis structures for polyatomic ions, how is a negative charge accounted for?

What is the algebraic sum of the oxidation numbers of all atoms in a neutral compound?

According to IUPAC convention, if work is done BY the system, what is the sign of 'w' and its effect on internal energy?

According to Henry's law, how does the solubility of a gas in a liquid change with increasing temperature?

If a redox reaction is carried out in an acidic solution, how are ionic charges balanced using the oxidation number method?

Which of the following is an example of a homogeneous mixture?

For the ozone molecule (O3), calculate the formal charge on the central oxygen atom (numbered 1) if the Lewis structure shows a double bond to one oxygen (numbered 2) and a single bond to the other ox

How do molecular motions (translational, rotational, vibrational) change with increasing temperature, and what is the effect on entropy?

If 10 g of reactant A reacts completely with 5 g of reactant B to form a single product, what is the mass of the product according to the Law of Conservation of Mass?