JEE Main questions
34495 published questions with worked solutions.
- The calculated spin-only magnetic moments (BM) of the anionic and cationic species of [Fe(H_2O)_6]_2[Fe(CN)_6], respectively, are:
- The IUPAC symbol for the element with atomic number 119 would be:
- The structure of Nylon-6 is:Not in JEE Main or NEET syllabus
- The ion that has sp^3d^2 hybridization for the central atom is:
- For the following reactions, equilibrium constants are given: S(s) + O_2(g) ⇌ SO_2(g); K_1 = 10^ 52 2S(s) + 3O_2(g) ⇌ 2SO_3(g);...
- The percentage composition of carbon by mole in methane is:
- The covalent alkaline earth metal halide (X = Cl, Br, I) is:
- The correct statement about ICl_5 and ICl_4^- is:
- Fructose and glucose can be distinguished by:
- The strength of 11.2 volume solution of H_2O_2 is: [Given that molar mass of H = 1 g mol^ -1 and O = 16 g mol^ -1 ]
- If three distinct numbers a, b, c are in G.P. and the equations ax^2 + 2bx + c = 0 and dx^2 + 2ex + f = 0 have a common root,...
- A student scores the following marks in five tests: 45, 54, 41, 57, 43. His score is not known for the sixth test. If the mean...
- If a point R(4, y, z) lies on the line segment joining the points P(2, −3, 4) and Q(8, 0, 10), then the distance of R from the...
- Which one of the following statements is not a tautology?Not in JEE syllabus
- Given that the slope of the tangent to a curve y = y(x) at any point (x, y) is 2y x^2 . If the curve passes through the centre of...
- Let f: [-1, 3] R be defined as f(x) = cases |x| + [x], & -1 x < 1 x + |x|, & 1 x < 2 x + [x], & 2 x 3 cases where [t] denotes the...
- The vector equation of the plane through the line of intersection of the planes x + y + z = 1 and 2x + 3y + 4z = 5 which is...
- The sum _ k=1 ^ 20 k , 1 2^k is equal to:
- The height of a right circular cylinder of maximum volume inscribed in a sphere of radius 3 is:
- If the fourth term in the binomial expansion of ( x^ 1 1+ _ 10 x + x^ 1 12 )^6 is equal to 200, and x > 1, then the value of x is: