List of top Chemistry Questions on Molecularity asked in GATE XL

One mole of an ideal gas expands isothermally and reversibly to double its volume. If the expansion work done by the system is 1728.85 J, the temperature of the system is ____ K (rounded off to 2 decimal places).
Given:
Gas constant, \( R = 8.314 \) J·K\(^{-1}\)·mol\(^{-1}\)
One mole of an ideal gas expands isothermally and reversibly to double its volume. If the expansion work done by the system is 1728.85 J, the temperature of the system is ____ K (rounded off to 2 decimal places).
Given:
Gas constant, \( R = 8.314 \) J·K\(^{-1}\)·mol\(^{-1}\)

Match the tasks given in Group I with the associated techniques conventionally used as listed in Group II.

Considering cyclobutane to be planar, the number of planes of symmetry in the following compound is _______ (in integer).

Among the following statements, which is/are TRUE regarding the replication of DNA?
Which of the following technique(s) can be used to separate proteins according to their molecular weights from a mixture of proteins?
A linear DNA fragment of 5 kb gives 2.5 kb, 1.5 kb, and 1.0 kb fragments on complete EcoRI digestion; the same 5 kb fragment gives 3.5 kb and 1.5 kb fragments on complete XbaI digestion. What set of fragments will appear when the 5 kb piece is fully digested with EcoRI and XbaI simultaneously?
The dipole moment ($\mu$) of BrF is 1.42 D and the bond length is 176 pm. The atomic charge distribution ($q$) in the molecule is _______ (rounded off to two decimal places). (Given: 1 D = $3.34 \times 10^{-30}$ C m; electronic charge $e = 1.60 \times 10^{-19}$ C).