Engineering Questions

409 solved questions with detailed explanations

81

Q.67. For a closed circuit Daniell cell, which of the following plots is the accurate one at a given temperature? [Figure: Four graphs of E°cell vs time]

JEE MainChemistry
82

Q.52. The species having identical radii according to the Bohr's theory are : A. H (first orbit) B. He (first orbit) C. He (second orbit) D. Li (first orbit) E. Be (Second orbit) Choose the correct an

JEE MainChemistry
83

Q.54. Which of the following are not correct? A. For water, magnitude of is more than the magnitude of . B. The elevation in boiling point of water when a non-volatile solute is added to it is larger

JEE MainChemistry
84

Q.17. The product of all possible values of , for which , is :

JEE MainMathematics
85

Q.70. Match the List-I with List-II List-I: Amino acid (A) Glutamine (B) Lysine (C) Tyrosine (D) Serine List-II: Positive reaction/Test for functional group present in side chain of amino acid I. Hins

JEE MainChemistry
86

Q.63. The major product of which of the following reaction is not obtained by rearrangement reaction? [Figure: Four reaction schemes with reactants and products]

JEE MainChemistry
87

Q.54. Aqueous HCl reacts with MnO(s) to form MnCl(aq), Cl(g) and HO(l). What is the weight (in g) of Cl liberated when 8.7 g of MnO(s) is reacted with excess aqueous HCl solution ? (Given Molar mass i

JEE MainChemistry
88

Q.5. Let A be the set of first 101 terms of an A.P., whose first term is 1 and the common difference is 5 and let B be the set of first 71 terms of an A.P., whose first term is 9 and the common differ

JEE MainMathematics
89

Q.12. Let and , where inverse trigonometric functions take only the principal values. Given below are two statements: Statement I: Statement II: In the light of the above statements, choose the cor

JEE MainMathematics
90

Q.34. Two charged conducting spheres S and S of radii cm and cm are connected to each other by a wire. After equilibrium is established, the ratio of electric fields on S and S spheres are and res

JEE MainPhysics