MH SET 2025 Paper 2 Chemical Sciences Question Paper (15-Jun-2025)

Question 1

The property measured in derivative thermogravimetric analysis (DTG) is :

Accepted Answer

Rate of change in weight

Answer

Change in weight

Answer

Heat evolved

Answer

Change in temperature

Question 2

The species that contain a vacant d x2 - y2  orbital is :

Accepted Answer

[Ni(CN)4]2-

Answer

[Ni(en)3]2+ (en = NH2CH2CH2NH2)

Answer

[NiCl4]2-

Answer

[Ni(CO)4]

Question 3

FeCl2 . 4H2O and FeCl3 . 6H2O can be distinguished by 57Fe M&ouml;ssbauer spectroscopy. The INCORRECT statement from the following is :

Accepted Answer

Both compounds show the same isomer shift

Answer

Both compounds are high spin

Answer

Quadrupole splitting of FeCl2 . 4H2O is higher than that of FeCl3 . 6H2O

Answer

The isomer shift of FeCl2 . 4H2O is higher than that of FeCl3 . 6H2O

Question 4

The solutions of (i) [Cr(OH2)6]3+ ions are pale blue-green, but the chromite ion (ii) [CrO4]2- is an intense yellow due to :

Accepted Answer

d-d transition in (i) and charge transfer transition in (ii)

Answer

d-d transitions in (i) and (ii)

Answer

Charge transfer transition in (i) and d-d transition in (i)

Answer

Charge transfer in (i) and (ii)

Question 5

The major product of the following reaction in :

Accepted Answer

""

Answer

Answer

Answer