📚NCERT Questions — CBSE12
275 solved questions with detailed explanations
The addition of water to unsymmetrical alkenes in the presence of acid as a catalyst to form alcohols follows which rule?
Which of the following reactions is suitable for preparing acetophenone (C₆H₅COCH₃) from benzene?
What is observed when an SN1 reaction occurs with an optically active alkyl halide?
Chloroform (CHCl₃) is slowly oxidized by air in the presence of light to form a highly poisonous gas. What is this gas?
Pernicious anaemia, characterized by RBC deficiency, is caused by the deficiency of which vitamin?
When an alkyl aryl ether (e.g., anisole) reacts with HI, which bond is preferentially cleaved, and what are the products?
Which of the following is NOT a stated application of DNA fingerprinting?
Which of the following is NOT a typical anion (X-) found in diazonium salts (R-N2+X-)?
Carbohydrates that yield a large number of monosaccharide units on hydrolysis are known as:
Phenol is obtained from chlorobenzene by fusion with NaOH at high temperature and pressure, followed by acidification. What is the initial product formed after fusion with NaOH?