JEE Advanced questions
579 published questions with worked solutions.
- The compound(s) with TWO lone pairs of electrons on the central atom is(are)
- The correct statement(s) about the following reaction sequence is(are) Cumene ( C_9H_ 12 ) [ ii) H_3O^+ ] i) O_2 P CHCl_3/NaOH Q...
- The mole fraction of a solute in a solution is 0.1. At 298 K, molarity of this solution is the same as its molality. Density of...
- In neutral or faintly alkaline solution, 8 moles of permanganate anion quantitatively oxidize thiosulphate anions to produce...
- The number of geometric isomers possible for the complex [CoL_2Cl_2]^- ( L=H_2NCH_2CH_2O^- ) is
- A computer producing factory has only two plants T_1 and T_2. Plant T_1 produces 20% and plant T_2 produces 80% of the total...
- The least value of R for which 4 x^2+ 1 x 1, for all x>0, is
- Consider a pyramid OPQRS located in the first octant (x 0,y 0,z 0) with O as origin, and OP and OR along the x-axis and the...
- Let P= bmatrix 3 & -1 & -2 2 & 0 & 3 & -5 & 0 bmatrix , where R . Suppose Q=[q_ ij ] is a matrix such that PQ=kI, where k R , k 0...
- In a triangle XYZ, let x,y,z be the lengths of sides opposite to the angles X,Y,Z, respectively, and 2s=x+y+z. If s-x 4 = s-y 3 =...
- A solution curve of the differential equation (x^2+xy+4x+2y+4) dy dx -y^2=0, x>0, passes through the point (1,3). Then the...
- Let f: R R , g: R R and h: R R be differentiable functions such that f(x)=x^3+3x+2, g(f(x))=x and h(g(g(x)))=x for all x R . Then
- Let RS be the diameter of the circle x^2+y^2=1, where S is the point (1,0). Let P be a variable point (other than R and S) on the...
- The total number of distinct x R for which vmatrix x & x^2 & 1+x^3 2x & 4x^2 & 1+8x^3 3x & 9x^2 & 1+27x^3 vmatrix =10 is
- The total number of distinct x [0,1] for which _0^x t^2 1+t^4 ,dt=2x-1 is
- Let , R be such that _ x 0 x^2 ( x) x- x =1. Then 6( + ) equals
- Let z= -1+ 3 i 2 , where i= -1 , and r,s 1,2,3 . Let P= bmatrix (-z)^r & z^ 2s z^ 2s & z^r bmatrix and I be the identity matrix...
- The electrostatic energy of Z protons uniformly distributed throughout a spherical nucleus of radius R is given by E= 3 5...
- An accident in a nuclear laboratory resulted in deposition of a certain amount of radioactive material of half-life 18 days...
- A gas is enclosed in a cylinder with a movable frictionless piston. Its initial thermodynamic state at pressure P_i=10^5 Pa and...