📚NCERT Questions

Which of the following elements typically forms a positive ion by losing electrons to achieve a noble gas configuration?

White silver chloride turns grey when exposed to sunlight. This phenomenon is due to the formation of:

Which of the following statements correctly describes the relative acidity of carboxylic acids compared to alcohols and phenols?

The functional group for a ketone is:

The iodine-thiosulphate titration relies on starch as an indicator. What is the role of starch in this titration?

Which metal is commonly used as a catalyst in the hydrogenation of vegetable oils?

Which of the following properties is characteristic of most carbon compounds?

Sulphonation of benzene involves the replacement of a hydrogen atom by a sulphonic acid group. This reaction is carried out by heating benzene with:

What type of acid is ethanoic acid?

In terms of electron transfer, what is reduction?