List of top Questions asked in MET

The electronic configuration \( 1s^{2}\, 2s^{2}\, 2p^{6}\, 3s^{2}\, 3p^{6}\, 3d^{10} \) represents:

In which of the following complex ion, the central metal ion is in a state of \( sp^{3}d^{2} \) hybridisation?

The formation of \( \mathrm{O}_{2}^{+}[\mathrm{PtF}_{6}]^{-} \) is the basis for the formation of xenon fluorides because:

The density of a gas is \( 1.964 \text{ g/dm}^{3} \) at \( 273 \text{ K} \) and \( 76 \text{ cm Hg} \). The gas is:

\( \Delta G^{\circ} \) vs T plot in the Ellingham's diagram slopes downwards for the reaction:

Which of the following electrolyte will have maximum flocculation value for \( \mathrm{Fe(OH)}_{3} \) sol?

The emf \( E^{\circ} \) of the following cells are:
\( \mathrm{Ag} \mid \mathrm{Ag}^{+} (1\text{ M}) \parallel \mathrm{Cu}^{2+} (1\text{ M}) \mid \mathrm{Cu}; \, E^{\circ} = -0.46 \text{ V} \)
\( \mathrm{Zn} \mid \mathrm{Zn}^{2+} (1\text{ M}) \parallel \mathrm{Cu}^{2+} (1\text{ M}) \mid \mathrm{Cu}; \, E^{\circ} = 1.10 \text{ V} \)
emf of the cell \( \mathrm{Zn} \mid \mathrm{Zn}^{2+} (1\text{ M}) \parallel \mathrm{Ag}^{+} (1\text{ M}) \mid \mathrm{Ag} \) is:

Which of the following electrolyte will have maximum flocculation value for \( \mathrm{Fe(OH)}_{3} \) sol?

The emf \( E^{\circ} \) of the following cells are:
\( \mathrm{Ag} \mid \mathrm{Ag}^{+} (1\text{ M}) \parallel \mathrm{Cu}^{2+} (1\text{ M}) \mid \mathrm{Cu}; \, E^{\circ} = -0.46 \text{ V} \)
\( \mathrm{Zn} \mid \mathrm{Zn}^{2+} (1\text{ M}) \parallel \mathrm{Cu}^{2+} (1\text{ M}) \mid \mathrm{Cu}; \, E^{\circ} = 1.10 \text{ V} \)
emf of the cell \( \mathrm{Zn} \mid \mathrm{Zn}^{2+} (1\text{ M}) \parallel \mathrm{Ag}^{+} (1\text{ M}) \mid \mathrm{Ag} \) is:

If a cricket ball having mass of 200 g is thrown with a speed of \( 3 \times 10^{3} \text{ cm/s} \), then calculate the wavelength related to it.

Phenolphthalein is obtained by heating phthalic anhydride with conc. \( \text{H}_{2}\text{SO}_{4} \) and:

Freezing point of urea solution is \( -0.6^{\circ}\text{C} \). How much urea (\( \text{m.wt.} = 60 \text{ g/mol} \)) will be required to dissolve in 3 kg water? (\( k_{f} = 1.5^{\circ}\text{C kg mol}^{-1} \))

If \( K < 1.0 \), what will be the value of \( \Delta G^{\circ} \) of the following?

The normality of a solution containing 32.5 g of \( \text{(COOH)}_{2} \cdot 2\text{H}_{2}\text{O} \) per 0.5 L is:

For the titration of \( \text{KOH} \) vs \( \text{(COOH)}_{2} \cdot 2\text{H}_{2}\text{O} \), the suitable indicator is:

The radius of \( \mathrm{Na}^{+} \) is 95 pm and that of \( \mathrm{Cl}^{-} \) ion is 181 pm. The coordination number of Na is:

\( (CH_{3})_{3}CBr + H_{2}O \rightarrow (CH_{3})_{3}COH + HBr \) is an example of:

The radius of \( \mathrm{Na}^{+} \) is 95 pm and that of \( \mathrm{Cl}^{-} \) ion is 181 pm. The coordination number of Na is:

\( (CH_{3})_{3}CBr + H_{2}O \rightarrow (CH_{3})_{3}COH + HBr \) is an example of:

The standard reduction potentials at 298 K for half-cell reactions are given:
\( \mathrm{Zn}^{2+} + 2e^{-} \rightarrow \mathrm{Zn};\ -0.762\,\text{V} \)
\( \mathrm{Cr}^{3+} + 3e^{-} \rightarrow \mathrm{Cr};\ -0.74\,\text{V} \)
\( 2\mathrm{H}^{+} + 2e^{-} \rightarrow \mathrm{H}_{2};\ 0.00\,\text{V} \)
\( \mathrm{Fe}^{3+} + e^{-} \rightleftharpoons \mathrm{Fe}^{2+};\ +0.77\,\text{V} \)
The strongest reducing agent is:

A closed mesh has a potential \( V' \), current \( I \), and resistance \( R \). If \( V' = 0.5 \,\text{V} \), \( I = 0.1 \,\text{A} \), and \( R = 20 \,\Omega \), the total voltage \( V \) is:

Work done to rotate a dipole from \( \theta_{1} = 0^\circ \) to \( \theta_{2} = 60^\circ \) is \( W \). The work required to rotate it to \( 180^\circ \) is:

The frequency of a light wave in a material is \( 2 \times 10^{14} \,\text{Hz} \) and wavelength is \( 5000 \,\text{\AA} \). The refractive index of material is:

A nuclear reaction is given by \( {}_{Z}X^{A} \rightarrow {}_{Z+1}Y^{A} + {}_{-1}e^{0} + \bar{\nu} \). This reaction represents:

The escape velocity from the surface of the earth is \( v_{e} \). The escape velocity from the surface of a planet whose mass and radius are 3 times those of the earth will be: