JEE Main questions
34495 published questions with worked solutions.
- Among the following, the molecule expected to be stabilized by anion formation is: C_2, O_2, NO, F_2
- The osmotic pressure of a dilute solution of an ionic compound XY in water is four times that of a solution of 0.01 M BaCl_2 in...
- The standard Gibbs energy for the given cell reaction in kJ mol^ -1 at 298 K is: Zn(s) + Cu^ 2+ (aq) → Zn^ 2+ (aq) + Cu(s), E° =...
- The element having greatest difference between its first and second ionization energies, is:
- The aerosol is a kind of colloid in which:Not in JEE Main or NEET syllabus
- The ore that contains the metal in the form of fluoride is:
- Consider the van der Waals constants, a and b, for the following gases. | Gas | Ar | Ne | Kr | Xe | |---|---|---|---|---| |...
- For a reaction, N_2(g) + 3H_2(g) → 2NH_3(g); identify dihydrogen (H_2) as a limiting reagent in the following reaction mixtures.
- Among the following, the set of parameters that represents path functions, is: (A) q + w (B) q (C) w (D) H − TS
- Which of the following statements is not true about sucrose?
- Let = 3 i + j and = 2 i - j + 3 k. If = _1 - _2, where _1 is parallel to and _2 is perpendicular to , then _1 _2 is equal to:
- Let S be the set of all values of x for which the tangent to the curve y = f(x) = x^3 - x^2 - 2x at (x, y) is parallel to the...
- Let S = [-2 , 2 ] : 2 ^2 + 3 = 0 . Then the sum of the elements of S is:Not in JEE Main syllabus
- For any two statements p and q, the negation of the expression p ( p q) is:Not in JEE syllabus
- The solution of the differential equation x dy dx + 2y = x^2 (x 0) with y(1) = 1, is:
- If a tangent to the circle x^2 + y^2 = 1 intersects the coordinate axes at distinct points P and Q, then the locus of the...
- Slope of a line passing through P(2, 3) and intersecting the line, x + y = 7 at a distance of 4 units from P, is:
- If f(x) is a non-zero polynomial of degree four, having local extreme points at x = −1, 0, 1; then the set S = x R : f(x) = f(0)...
- A committee of 11 members is to be formed from 8 males and 5 females. If m is the number of ways the committee is formed with at...
- The integral ^ 2/3 x , cosec ^ 4/3 x ,dx is equal to: (Here C is a constant of integration)