Carrots are a rich source of vitamin A, which is essential for maintaining healthy vision and immune function. Curd (yogurt) is a good source of vitamin B12, which is important for nerve function and the formation of red blood cells.
- Carrots are well known for being high in vitamin A.
- Curd is rich in vitamin B12, especially for vegetarians, as B12 is primarily found in animal products.
Thus, the correct vitamins are A for carrot and B12 for curd, making option (1) the correct answer.
Which of the following are ambident nucleophiles?
[A.] CN$^{\,-}$
[B.] CH$_{3}$COO$^{\,-}$
[C.] NO$_{2}^{\,-}$
[D.] CH$_{3}$O$^{\,-}$
[E.] NH$_{3}$
Identify the anomers from the following.

The standard Gibbs free energy change \( \Delta G^\circ \) of a cell reaction is \(-301 { kJ/mol}\). What is \( E^\circ \) in volts?
(Given: \( F = 96500 { C/mol}\), \( n = 2 \))