JEE Main 2025 January 22 Shift 1 Question Paper with Solution( Memory -Based)
The JEE Main 2025 Shift 1 question paper with solutions will be made available on this page following the exam. These resources will be extremely beneficial for candidates taking the exam in subsequent shifts, as they can refer to the question paper and solutions for practice and analysis.
Q. For $\left[\mathrm{NiCl}_4\right]^{-2}$ What is the charge on metal and shape of complex respectively?
(1) +2 , tetrahedral
(2) +2 , square planar
(3) +4 , tetrahedral
(4) +4, square planar
Q. Solid sphere of mass $M$, radius $R$ exerts force $F$ on a point mass. Now a concentric spherical mass $\frac{M}{7}$ is removed. What is new force?
(1) $\frac{F}{7}$
(2) $\frac{6}{7} F$
(3) $\frac{5 F}{7}$
(4) $\frac{3 F}{7}$
Q. Form a 5 letter word is to be made using any distinct 5 alphabets such that middle alphabet is $M$ and letter should be in increasing order.
Q. Electrolysis of which compound Give $\mathrm{H}_2 \mathrm{~S}_2 \mathrm{O}_3$
a) Electrolysis of Conc. $\mathrm{Na}_2 \mathrm{SO}_4$
b) Electrolysis of Dil. $\mathrm{Na}_2 \mathrm{SO}_4$
c) Électrolysis of Conc. $\mathrm{H}_2 \mathrm{SO}_4$
d) Electrolysis of Dil. $\mathrm{H}_2 \mathrm{SO}_4$
Q. Compare boiling point of given solutions
(i) $10-4 . \mathrm{NaCl}$
(i) $10^{-3} \mathrm{NaCl}$
(iii) $10^{-2} \mathrm{NaCl}$
(iv) $10^{-4}$ urea
(1) I $>$ II $>$ III $>$ N
(2) III $>$ II $>$ I $>$ N
(3) il $>$ I $>$ ili $>$ N
(4) III $>$ II $>$ II $>$ N
Q. Let the triangle PQR be the image of the triangle with vertices $(1,3),(3,1)(2,4)$ in the line $x+2 y=2$. if the centroid of $\triangle$ PQR is the point $(\alpha, \beta)$ then $15(\alpha-\beta)$ is equation
Q. Find the Radius of Curvature of the Common surface of two bubble $\left(R_1> R_2\right)$
a) $R=\frac{R_1 R_2}{R_1+R_2}$
b) $R=\frac{2 R_1 R_2}{R_1-R_2}$
c) $R=\frac{R_1 R_2}{R_1-R_2}$
d) $R=\frac{R_1 R_2}{R_1-R_2}$
Q. A Parallel plate capacitor of capacitance $40 \mu \mathrm{~F}$ is connected to a 100V power supply now the intermediate space between the plates is filled with a drelectric material of dielectric constant $\mathrm{k}=2$. due to the introductiuon dielectric the extra charge and the change in electrostatic energy in the capacitor respectively or
(a) 2 mc and 0.4 J
(b) 2 mc and 0.2 J
(c) 4 mc and 0.2 J
(d) 8 mc and 2.J
Q. Given $a_1, a_2, a_3 \ldots$ are in GP such that $a_1 a_5=28$ and $a_2+a_4=29$ find $a_6$ ?
Q. The correct order of electronegativity
1. F > Cl > Br > I
2. Cl > F > Br > I
3. F > Cl > I > Br
4. Br > F > I > Cl
Q. which of the following lanthanide ion as $7 e^{-}$ in the outer moss shell
a) $\mathrm{Eu}^ {+3}$
3) $G d^ {+3}$
c) $\mathrm{Eu}^{+2}$
d) $Gd^ {+2}$
