MAH-MHT CET (PCM/PCB) entrance exam Question Bank Solutions

Dinitrogen and dioxygen combined to form nitrous oxide in equilibrium at 850 K. The equilibrium constant for this reaction is 0.56. If the equilibrium concentration of nitrous oxide gas is 3 × 10^-3 M and both dinitrogen and dioxygen have the same concentration, then what will be the concentration of dinitrogen gas in M?

Identify the last element in lanthanoid series.

Identify the product obtained in the following reaction.

Hybridisation of \[\ce{[Ni(CN)4]^{2-}}\] is ______.

Which one of the following does not have sp³ hybridisation?

The major product obtained in the following reaction is

\[\ce{Chlorobenzene + Chlorine ->[Anhydrous][FeCl3] product (Major)}\]

Identify electron withdrawing group from following when attached to π - bond.

Which of the following alkyl halide is treated with sodium metal to obtain 2, 2, 3, 3 tetramethyl butane?

Consider the following sequence of reactions

\[\ce{CH ≡ CH ->[HBr] A ->[HBr] B ->[Alc. KOH]C->[NaNH2]D}\]

Identify D.

Which element from following has largest atomic radius?

Which of the following element do not follow Aufbau principle?

Which one of the following laws will represent the pairing of electrons in a subshell after each orbital is filled with one electron?

Which among the following is used as an oxidising agent to bleach wood pulp into white paper?

Which of the following actinoids exhibits only + 3 oxidation state?

The critical temperature of a substance is the temperature ____________.

Identify the INCORRECT statement.

Which of the following actinoids shows +6 oxidation state?

Carnallite contains the element ____________.

The molecular formula of tear gas is ____________.

Identify the CORRECT statement.