Question Bank Directory

The $E^\circ$ value for the $Mn^{3+}/Mn^{2+}$ couple is more positive than that of $Cr^{3+}/Cr^{2+}$ or $Fe^{3+}/Fe^{2+}$ due to change of:

Zr ($Z = 40$) and Hf ($Z = 72$) have similar atomic and ionic radii because of :

The non-essential amino acid among the following is:

Which of the following is produced when anisole reacts with HI?

The cell reaction of an electrochemical cell is $Cu^{2+}(C_1) + Zn \rightarrow Cu + Zn^{2+}(C_2)$. The change in free energy will be the function of:

Which one of the following statements is not true regarding (+) lactose?

From the following pairs of ions which one is not an iso-electronic pair?

If the rate constant for a first order reaction is $k$, the time ($t$) required for the completion of 99% of the reaction is given by:

Identify the incorrect statement:

The product formed from the following reaction sequence is:

A gas at $350\text{ K}$ and $15\text{ bar}$ has molar volume $20$ percent smaller than that for an ideal gas under the same conditions. The correct option about the gas and its compressibility factor $(Z)$ is :

Which of the following is not the product of dehydration of the given alcohol?

Which of the following is the correct order of increasing field strength of ligands to form coordination compounds?

The total number of $\pi$-bond electrons in the following structure is:

When phenol is treated with CHCl₃ and NaOH, the product formed is:

The reaction can be classified as:

The rate constant for a first order reaction is $4.606 \times 10^{-3} s^{-1}$. The time required to reduce 2.0 g of the reactant to 0.2 g is :

An increase in the concentration of the reactants of a reaction leads to change in

In a typical fuel cell, the reactants (R) and products (P) are:

A compound is formed by cation C and anion A. The anions form hexagonal close packed (hcp) lattice and the cations occupy $75\%$ of octahedral voids. The formula of the compound is :