List of top Chemistry Questions asked in MHT CET

The IUPAC name for the complex \( [\text{Co}(\text{ONO})(\text{NH}_3)_5]\text{Cl_2 \) is:}
The value of the 'spin only' magnetic moment for one of the following configurations is \( 2.84 \, \mathrm{BM} \). The correct one is:
For the relation \( \Delta_r G = -nF E_\text{cell} \), \( E_\text{cell} = E^\circ_\text{cell} \), in which of the following conditions?
For \( \text{As}_2\text{S}_3 \) sol, the most effective coagulating agent is:
Element not showing variable oxidation state is:
If the activation energy for the forward reaction is \( 150 \, \text{kJ/mol} \) and that of the reverse reaction is \( 260 \, \text{kJ/mol} \), what is the enthalpy change for the reaction?
Specific conductance of \( 0.1 \, \text{M} \, \text{HNO}_3 \) is \( 6.3 \times 10^{-2} \, \text{ohm}^{-1} \, \text{cm}^{-1} \). The molar conductance of the solution is:
People living at high altitudes often reported a problem of feeling weak and inability to think clearly. The reason for this is:
The rate constant for a first-order reaction whose half-life is 480 seconds is:
Which one of the following is used as an eye lotion?
Which one of the carbanions is the least stable?
Identify ortho and para directing groups from the following: \[ -\text{CHO}, -\text{NHCOCH}_3, -\text{OCH}_3, -\text{SO}_3\text{H}. \]
A balloon filled with an air sample occupies \( 3 \, \text{L} \) volume at \( 35^\circ \text{C} \). On lowering the temperature to \( T \), the volume decreases to \( 2.5 \, \text{L} \). The temperature \( T \) is: \textit{[Assume \( P \)-constant]}
Alkali metals are powerful reducing agents because:
In which of the compounds does 'manganese' exhibit the highest oxidation number?
In \( \text{O}_2^- \), \( \text{O}_2 \), and \( \text{O}_2^{2-} \) molecular species, the total number of antibonding electrons respectively are:
In \( \text{NO}_3^- \) ion, the number of bond pairs and lone pairs of electrons on the nitrogen atom are:
If the length of the body diagonal of a FCC unit cell is \( x \, \text{Å} \), the distance between two octahedral voids in the cell in \( \text{Å} \) is:
Ortho-sulphobenzimide is used as:
The wavelength of the radiation emitted, when a hydrogen atom electron falls from infinity to stationary state 1, would be: (Rydberg constant \( R = 1.097 \times 10^7 \, \text{m}^{-1} \))
Volume of a gas at NTP is \( 1.12 \times 10^{-7} \, \text{cm}^3 \). The number of molecules in it is:
What is the ratio of abundance of chlorine isotopes with atomic masses 35 and 37?
What is the result of ozonolysis of propene?
What is the reactivity of alkyl alcohols towards haloacids?
How many unpaired electrons are present in the element of atomic number 27 with a +2 oxidation state?