61.

Give reasons :
Although –NH₂ is o/p directing group, yet aniline on nitration gives a significant amount of m-nitroaniline.

After watching a programme on TV about the presence of carcinogens(cancer causing
agents) Potassium bromate and Potassium iodate in bread and other bakery products, Ritu a class XII student decided to aware others about the adverse effects of these carcinogens in foods. She consulted the school principal and requested him to instruct canteen contractor to stop selling sandwiches, pizza, burgers and other bakery products to the students. Principal took an immediate action and instructed the canteen contractor to replace the bakery products with some proteins and vitamins rich food like fruits, salads, sprouts etc. The decision was welcomed by the parents and students.

After reading the above passage, answer the following questions :
(i) What are the values (at least two) displayed by Ritu?
(ii) Which polysaccharide component of carbohydrates is commonly present in bread?
(iii) Write the two types of secondary structure of proteins.
(iv) Give two examples of water soluble vitamins.

Write the product(s) in the following reactions:

Write the product(s) in the following reactions:

Write the product(s) in the following reactions:

Give simple chemical tests to distinguish between the following pairs of
compounds :
Ethanol and Phenol

Give simple chemical tests to distinguish between the following pairs of
compounds :
Propanol and 2-methylpropan-2-ol

Write the formula of reagents used in the following reactions :
Bromination of phenol to 2,4,6-tribromophenol

Write the formula of reagents used in the following reactions :
Hydroboration of propene and then oxidation to propanol.

Arrange the following compound groups in the increasing order of their property indicated :
p-nitrophenol, ethanol, phenol (acidic character)