What type of ligand is the oxalate ion?

Adipic acid is used in the preparation of

Which of the following is reacted with benzaldehyde to obtain l-phenylethanol?

IUPAC name of benzylamine is

A solution of nonvolatile solute is obtained by dissolving \(15 \mathrm{~g}\) in \(200 \mathrm{~mL}\) water has depression in freezing point \(0.75 \mathrm{~K}\). Calculate the molar mass of solute if cryoscopic constant of water is \(1.86 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\).

In a first order reaction if concentartion of reactant drops from \(0.8 \mathrm{~mol} \mathrm{~L}^{-1}\) to \(0.4 \mathrm{~mol} \mathrm{~L}^{-1}\) in 15 minute. What is the time required to drop concentration from \(0.1 \mathrm{~mol} \mathrm{~L}^{-1}\) to 0.025 mol \(\mathrm{L}^{-1}\).

A weak monobasic acid is \(2 \%\) dissociated in its \(0.1 \mathrm{M}\) solution. What is its dissociation constant?

In a stationary wave all particles

Moving coil galvanometers \(\mathrm{M}_{1}\) and \(\mathrm{M}_{2}\) have resistance, number of turns, area of coil and magnetic field as follows.
\(\mathrm{R}_{1}=10 \Omega, \mathrm{R}_{2}=14 \Omega, \mathrm{N}_{1}=30, \mathrm{~N}_{2}=42\)
\(\mathrm{A}_{1}=3 \cdot 6 \times 10^{-3} \mathrm{~m}^{2}, \mathrm{~A}_{2}=1 \cdot 8 \times 10^{-2} \mathrm{~m}^{2},\) \(\mathrm{~B}_{1}=0 \cdot 25 \mathrm{~T}, \mathrm{~B}_{2}=0 \cdot 50 \mathrm{~T}\)
(Spring constants are same for both materials)
The ratio of (i) current sensitivity and (ii) voltage sensitivity for galvanometer
\(\left(\mathrm{M}_{2}\right.\) to \(\left.\mathrm{M}_{1}\right)\) is respectively

The volume of air occupying the dead space of respiratory system is _________ ml.

The formula for the physical quantity is \(\mathrm{P}=\frac{\mathrm{x}^3 \mathrm{y}}{\mathrm{z}^2}\) and the percentage error in the determination of physical quantities \(x, y, z\) are \(0.6 \%, 3 \%\) and \(1.3 \%\) respectively. The percentage error in the measurement of \(P\) is

Which from following polymers is used as surgical suture?

41 tuning forks are arranged in increasing order of frequency such that each produces 5 beats/second with next tuning fork. If frequency of last tuning fork is double that of frequency of first fork. Then frequency of first and last fork is