The IIT JAM 2026 Chemistry (CY) exam, was held on 15 February, from 9:30 AM to 12:30 PM. IIT JAM 2026 Chemistry (CY) Question Paper with Solution PDF is available for the download here.
There was 60 questions in total: 30 MCQs, 10 MSQs, and 20 NATs amounting to 100 marks and Negative marking is applicable only for MCQs.
IIT JAM 2026 Chemistry (CY) Question Paper with Solution PDF – Memory Based
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Find the number of P–O–P (pyrophosphate) bonds present in \(P_4O_8\).
Determine the shape of \(ClF_3\) using VSEPR theory.
List the compounds of Xenon having one lone pair on the central atom.
Write the van der Waals equation and explain the van der Waals isotherm (P–V curve).
Langmuir isotherm
Find the interplanar spacing \(d_{hkl}\) (in Å) using Bragg’s law.
Given: \(n = 1\), \(\lambda = 1.54\,Å\)
Use Bragg’s law: \(n\lambda = 2d\sin\theta\).
For the reaction: \[ N_2O_3(g) \rightarrow NO(g) + NO_2(g) \]
If the degree of dissociation is \(\alpha = 0.2\), find \(\Delta n_g\) and total number of moles at equilibrium (starting with 1 mole).
The radioactive decay is given as: \[ {}^{238}_{92}U \rightarrow {}^{210}_{82}Pb + 7\alpha + x\beta^{-}. \]
Find the value of \(x\).
Among the following compounds of Xenon, identify those having exactly one lone pair on Xenon:
\(XeF_2\), \(XeO_2F_2\), \(XeO_3\), \(XeO_3F_2\), \(XeOF_2\).
Isothermal compressibility of an ideal gas \[ -\frac{1}{V}\left(\frac{dV}{dP}\right)_T \]
is equal to
Which of the following has the highest melting point?
Compare the M–C bond length in the following complexes:
\(Na_2[Mn(CO)_4]\), \quad \(Na[Mn(CO)_5]\), \quad \(Na[Mn(CO)_6]\).
Given \(C_p = a + bT\)
\(a = 19.5\), \quad \(b = 0.042\), \quad \(n = 1\) mole
Temperature changes from \(27^\circ C\) to \(327^\circ C\).
Find \(\Delta H\).
T-shape geometry is shown by
Which of the following has tetrahedral coordination?
IIT JAM 2026 High Weightage Topics
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