List of top Questions asked in MET

The order of activity of the various o and p-director is :

Successive alkanes differ by :

Which is the decreasing order of stability? (i) \(CH_3 - \overset{+}{C}H - CH_3\)
(ii) \(CH_3 - \overset{+}{C}H - O - CH_3\)
(iii) \(CH_3 \overset{+}{C}H - CO - CH_3\)

Diborane on reaction with olefins forms :

When sodium hydroxide reacts with sand, it forms :

Sodium carbonate is manufactured by :

Ice floats on water because:

The low density of ice compared to water is due to :

Which of the following is not correct for \(D_2O\) ?

Solution of 0.1 N \(NH_4OH\) and 0.1 N \(NH_4Cl\) has pH 9.25. Then p\(K_b\) of \(NH_4OH\) is :

Calculate the temperature at which \( \Delta G = -5.2 \, \text{kJ mol}^{-1} \), \( \Delta H = 145.6 \, \text{kJ mol}^{-1} \) and \( \Delta S = 216 \, \text{J K}^{-1} \text{mol}^{-1} \) for a chemical reaction:

\( C(s) + O_2(g) \rightarrow CO_2(g) \quad \Delta H = -94 \, \text{kcal} \)
\( 2CO(g) + O_2(g) \rightarrow 2CO_2(g) \quad \Delta H = -135.2 \, \text{kcal} \)
The heat of formation of \( CO(g) \) is:

Whose name is not associated with the development of periodic table?

For which of the following species Bohr’s theory is not applicable?

Which of the following set of quantum numbers is not applicable for an electron in an atom?

What is the wavelength associated with an electron moving with a velocity of \(10^6 \, \text{m/s}\)?
(\(h = 6.63 \times 10^{-34} \, \text{Js}\))

Which of the following is not possible ?

The order of increasing energies of the orbitals follows:

100 mL of 1.0 M HCl are mixed with 75 mL of 1.0 M \(Na_2CO_3\). The resulting solution will be:

In the reaction \( \text{N}_2 + 3\text{H}_2 \rightarrow 2\text{NH}_3 \), ratio by volume of \( \text{N}_2, \text{H}_2 \) and \( \text{NH}_3 \) is \(1:3:2\). This illustrates law of:

If \( \vec{A}, \vec{B} \text{ and } \vec{C} \) are the unit vectors along the incident ray, reflected ray and outward normal to the reflecting surface, then:

A bar magnet has a magnetic moment equal to \(5 \times 10^{-5}\,\text{Wb}\cdot\text{m}\). It is suspended in a magnetising field equal to \(8\pi \times 10^{-4}\,\text{A}\cdot\text{m}^{-1}\). The magnet vibrates with a period \(15\,\text{s}\). The moment of inertia of the magnet is:

Two wires PQ and QR carry equal currents I as shown in figure. One end of both the wires extends to infinity \(\angle PQR = \theta\). The magnitude of the magnetic field at O on the bisector of these two wires at a distance r from point Q is:

A copper wire of diameter 1.6 mm carries a current I. The maximum magnetic field due to this wire is \(5 \times 10^{-4} \, T\). The value of I is :

When 1 g hydrogen (ECE = \(1.044 \times 10^{-8} \, \text{kg C}^{-1}\)) forms water, 34 kcal heat is liberated. The minimum voltage required to decompose water is :