📚NCERT Questions

1,675 solved questions with detailed explanations

1371

Which of the following reagents is used in Rosenmund reduction to prepare aldehydes from acyl chlorides?

CBSE12
1372

Aniline does not undergo Friedel-Crafts reaction due to:

CBSE12
1373

Which of the following reactions introduces a -CHO group at the ortho position of benzene ring in phenol?

CBSE12
1374

Which of the following describes the movement of sunflowers in response to day or night?

CBSE10
1375

Alkanes are generally considered non-polar molecules because of:

NCERT11
1376

What percentage of carbon is present in the atmosphere as carbon dioxide?

CBSE10
1377

In a chemical equation, what does the symbol '(aq)' represent?

NCERT10
1378

What is the name of the compound CH3COCH3?

CBSE10
1379

Acidic dehydration of alcohols involves the elimination of a water molecule to form alkenes. This reaction is also an example of:

NCERT11
1380

A person experiencing difficulty in walking in a straight line and maintaining balance might have an issue with which part of the brain?

CBSE10