List of top Questions asked in MET- 2019

Pure conc. HNO\(_3\) make iron passive, as the surface is covered with protective layer of
CO\(_2\) is a gas, while SiO\(_2\) is a solid, but both are
Ozone when reacts with potassium iodide solution liberates certain product, which turns starch paper blue. The liberated substance is
Red hot iron absorbs SO\(_2\) giving the product
Which of the following has highest second ionisation energy?
The product of reaction between alcoholic silver nitrite with ethyl bromide is
The specific conductivity of 0.1 N KCl solution is 0.0129 ohm\(^{-1}\) cm\(^{-1}\). The resistance of the solution in the cell is 100 ohm. The cell constant of the cell will be
The standard emf of a cell Zn/Zn\(^{2+}\) || Fe\(^{2+}\)/Fe if electrode potentials for (Zn/Zn\(^{2+}\)) and (Fe\(^{2+}\)/Fe) are 0.763 V and -0.44 V respectively is
Which of the following plot represents the graph of pH against volume of alkali added in the titration of NaOH and HCl?
In a mixture of 1 g H\(_2\) and 8 g O\(_2\) the mole fraction of hydrogen is
For a reaction of the type \(aA + bB \rightarrow\) Products, the \(-d[A]/dt\) is equal to
According to the adsorption theory of catalysis, the speed of reaction increases because
For the reaction CH\(_3\)COOH(l) + 2O\(_2\)(g) \(\rightarrow\) 2CO\(_2\)(g) + 2H\(_2\)O(l) at 25°C and 1 atm pressure, \(\Delta H = -874\) kJ. Then the change in internal energy (\(\Delta E\)) is
The electrophile involved in the sulphonation of benzene is
In acid medium MnO\(_4^-\) is reduced to Mn\(^{2+}\) by a reducing agent. Then the equivalent mass of KMnO\(_4\) is given by (M = molecular mass)
An aqueous solution freezes at -0.186°C, then elevation in boiling point is (\(K_b = 0.512\), \(K_f = 1.86\))
In hydrolysis of a salt of weak acid and strong base, A\(^-\) + H\(_2\)O \(\rightleftharpoons\) HA + OH\(^-\), the hydrolysis constant (\(K_h\)) is equal to
The kinetic energy of a gas molecule is ..... temperature
The ratio of rate of diffusion of SO\(_2\) (M = 64) and oxygen (M = 32) is
Arrange the following in the increasing order of their bond order: O\(_2^-\), O\(_2\), O\(_2^+\), O\(_2^{2-}\)
1 g of water at atmospheric pressure has volume of 1 cc and when boiled it becomes 1681 cc of steam. The heat of vaporisation of water is 540 cal/g. Then the change in its internal energy in this process is
The temperature coefficient of resistance of a wire is 0.00125 °C\(^{-1}\). At 300 K, its resistance is 1 \(\Omega\). At what temperature the resistance of the wire will be 2 \(\Omega\)?
If \(p\), \(T\), \(\rho\) and \(R\) represents pressure, temperature, density and universal gas constant respectively, then the molar mass of the ideal gas is given by
The solubility CaF\(_2\) is s moles/litre. Then solubility product is
A parallel plate capacitor has an electric field of \(10^5\) V/m between the plates. If the charge on the capacitor plate is 1 \(\mu\)C, the force on each capacitor plate is