What is IUPAC name of glyoxal?
Which of the following statements is NOT true about vacancy defect?
Which of the following is the most abundant chalcogens?
What is the number of moles of ' C ' atoms and ' H ' atoms respectively present in n mole molecule represented as follows?
24 g carbon react with oxygen to produce 88 g carbon dioxide. Find the amount of oxygen used.
For a certain reaction, \(\Delta \mathrm{H}^{\circ}=219 \mathrm{~kJ}\) and \(\Delta \mathrm{S}^{\circ}=-21 \mathrm{JK}^{-1}\). Find the value of \(\Delta \mathrm{G}^{\circ}\).
Which of the following on reaction with Grignards reagent followed by hydrolysis forms secondary alcohol?
Identify inner transition element from following.
Identify the quantity of carbohydrate units formed after hydrolysis of n mole lactose.
Identify the electrolyte from following so that \(\wedge_0\) is not obtained from the graphical variation of \(\wedge\) against \(\sqrt{\mathrm{C}}\) ?
Which from following is an example of intensive property?
\(60 \%\) of a first order reaction is completed in 60 minute. What is the time taken by reactant to decompose half of its original amount?
The osmotic pressure of equimolar concentration of \(\mathrm{CaCl}_2\) and urea at same temperature are 0.6 atm and 0.25 atm respectively. Calculate van't Hoff factor for \(\mathrm{CaCl}_2\).
What is EAN of Mn in \(\mathrm{Mn}(\mathrm{CO})_5\) ?
The conductivity of 0.1 M KCl solution at \(23^{\circ} \mathrm{C}\) is \(0.012 \Omega^{-1} \mathrm{~cm}^{-1}\).
Resistance of a cell containing the solution at same temperature was found to be \(50 \Omega\). Calculate the cell constant.
Which of the following is water gas shift reaction?
A simple harmonic progressive wave is given by \(y=A \sin 2 \pi\left(n t-\frac{x}{\lambda}\right)\). If the wave velocity is equal to \(=\frac{1}{3}\) (maximum particle velocity) then the wavelength \(\lambda\) is given by
Force is applied to a body of mass 2 kg at rest on a frictionless horizontal surface as shown in the force against time \((\mathrm{F}-\mathrm{t})\) graph. The speed of the body after 1 s is
Which from following amino acids is synthesized in our body?
The order of (a) transformer (b) diode rectifier (c) filter (d) voltage regulator in a block diagram of simple rectifier circuit is as
(a) b, d, c, a
(b) a, c, d, b
(c) a, b, c, d
(d) d, c, a, b
The charges are arranged at the four corners of square \(A B C D\) of side ' \(d\) ' as shown in figure. The work required to put this arrangement together is given by
If current ' i ' is passing through the solenoid of diameter ' \(d\) ' having number of turns per unit length ' \(n\) ', then the inductance per unit length near the middle of a long solenoid is directly proportional to
A solenoid has core of a material with relative permeability 301 and its winding carries a current of 2 A . The number of turns of the solenoid is 600 per metre. The magnetization of the material is
Two points on a travelling wave having frequency 500 Hz and velocity \(300 \mathrm{~m} / \mathrm{s}\) are \(30^{\circ}\) out of phase, then the minimum distance between the two points is
