📚NCERT Questions — NCERT11

In the estimation of phosphorus, phosphorus is oxidized to phosphoric acid and then precipitated as:

Which of the following groups is an ortho- and para-directing group?

Which of the following species undergoes disproportionation in alkaline medium?

An oxidizing agent is best described as a species that:

After writing the correct formulas, what is the next step in balancing a redox reaction by the oxidation number method?

The addition of water to ethyne in the presence of mercuric sulphate and dilute sulphuric acid at 333 K yields:

Which unique property of carbon allows it to form covalent bonds with other carbon atoms, leading to a vast number of organic compounds?

Kjeldahl's method is not applicable to compounds containing nitrogen in which of the following forms?

The phenomenon of existence of two or more compounds possessing the same molecular formula but different properties is known as:

Tertiary H atoms in alkanes can be oxidized to corresponding alcohols by: