For a 4d orbital:
The angular nodes for \( l = 2 \) is \( l = 2 \). The radial nodes are given by \( n - l - 1 \), so for \( n = 4 \) and \( l = 2 \), the radial nodes are \( 4 - 2 - 1 = 1 \). Thus, the total number of nodes is \( 2 + 1 = 3 \).
Spherical node shown in figure-1 is best represented by which point in figure-2. 
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: \( F = 96500 { C/mol}\), \( n = 2 \))