JEE Advanced questions
579 published questions with worked solutions.
- The synthesis of 3-octyne is achieved by adding a bromoalkane into a mixture of sodium amide and an alkyne. The bromoalkane and...
- The bond energy (in kcal mol^ -1 ) of a C–C single bond is approximately
- Among the following, the intensive property is (properties are)
- Aqueous solutions of HNO_3 , KOH, CH_3COOH , and CH_3COONa of identical concentrations are provided. The pair(s) of solutions...
- The total number of cyclic isomers possible for a hydrocarbon with the molecular formula C_4H_6 is
- Based on VSEPR theory, the number of 90 degree F–Br–F angles in BrF_5 is
- The concentration of R in the reaction R P was measured as a function of time and the following data is obtained: array...
- Let be a complex cube root of unity with 1. A fair die is thrown three times. If r_1, r_2 and r_3 are the numbers obtained on the...
- Let P, Q, R and S be the points on the plane with position vectors -2 i - j, 4 i, 3 i + 3 j and -3 i + 2 j respectively. The...
- The number of 3 3 matrices A whose entries are either 0 or 1 and for which the system A bmatrix x bmatrix = bmatrix 1 0 0 bmatrix...
- The value of _ x 0 1 x^3 _0^x t , n(1+t) t^4+4 ,dt is
- Let f, g and h be real-valued functions defined on the interval [0, 1] by f(x) = e^ x^2 + e^ -x^2 , g(x) = xe^ x^2 + e^ -x^2 and...
- Let A and B be two distinct points on the parabola y^2 = 4x. If the axis of the parabola touches a circle of radius r having AB...
- Let ABC be a triangle such that ACB = 6 and let a, b and c denote the lengths of the sides opposite to A, B and C respectively....
- Let z_1 and z_2 be two distinct complex numbers and let z = (1 - t)z_1 + tz_2 for some real number t with 0 < t < 1. If Arg(w)...
- Let f be a real-valued function defined on the interval (0, ) by f(x) = n , x + _0^x 1 + t ; dt. Then which of the following...
- The number of values of in the interval (- 2 , 2 ) such that n 5 for n = 0, 1, 2 and = 5 as well as 2 = 4 is
- The maximum value of the expression 1 ^2 + 3 + 5 ^2 is
- If a and b are vectors in space given by a = i - 2 j 5 and b = 2 i + j + 3 k 14 , then the value of (2 a + b ) [ ( a b ) ( a - 2...
- The line 2x + y = 1 is tangent to the hyperbola x^2 a^2 - y^2 b^2 = 1. If this line passes through the point of intersection of...
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