List of top Chemistry Questions asked in MET

\( CH_3C \equiv CCH_3 \xrightarrow{(i)\,X \; (ii)\,H_2O/Zn} CH_3CO - COCH_3 \)
In the above reaction \( X \) is:

The IUPAC name for the formula \[ CH_3 - C( CH_3 ) = C( H ) - COOH \] is

Which isomeric form of benzene hexachloride is used as insecticide?

Name of the compound given below is :

Which of the following pairs of compounds are enantiomers?

Which of the following represents the given mode of hybridisation \(sp^2 - sp^2 - sp - sp\) from left to right?

Number of $\pi$ electrons present in naphthalene is

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: