List of top Chemistry Questions asked in IIT JAM BT

Applying the Hückel rule, the number of aromatic compounds among the following is _ _ _. (in integer)

The standard enthalpy of formation of methane (\(CH_4\)), using the standard enthalpy of reaction values from the following reaction steps, is \(-x\) kcal/mol. The value of \(x\) is _ _ _. (round off to one decimal place)

If a weak acid \(HA\) is \(0.1\%\) ionized (dissociated) in a \(0.2M\) solution, its pH will be _ _ _. (round off to one decimal place)

The number of distinct products formed after the nitration of tetralone in the presence of \(HNO_3\) and \(H_2SO_4\) is _ _ _. (in integer)

The number of double bonds present in the isohypsic transformation product of allylic alcohol (Z) is _ _ _. (in integer)

Assuming atomic mass number of \(C=12\), \(N=14\), \(O=16\), \(H=1\), the molecular mass (in Daltons) of a tripeptide made up of only glycine amino acids is _ _ _. (in integer)

The volume of \(4M\) NaOH (in ml) required to make \(350\) ml solution of \(1.2M\) NaOH is _ _ _. (in integer)

In circular dichroism (CD) spectroscopy, the difference in molar extinction coefficients (\(\Delta \varepsilon\)) is plotted as a function of wavelength \(\lambda\) (in nm). In a CD spectrum of an alpha helical protein, \(\Delta \varepsilon\) will have a

Which of the following statements is/are true about phenoxide ions?

The correct relation between equilibrium constants, \(K_c\) (forward direction) and \(K_c'\) (reverse direction) of the reaction given below, at the same temperature, is

In the context of the nitrogen cycle in plants, identify the correct match between the nitrogen compound and the oxidation state of nitrogen

The correct gas phase acidity order for alcohols \(FCH_2OH\), \(CH_3OH\), \(ClCH_2OH\) and \(BrCH_2OH\) is

The repulsive interaction between different types of electron pairs increases in the order of

Coenzyme A is a co-factor of vitamin

Which one of the following is the correct decreasing order for the magnitude of Electron Gain Enthalpy \((\Delta_{eg}H)\) for the elements given below?