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Q.55 A box of mass 20 𝑘𝑔 is pulled at constant speed across a floor by a rope.The rope makes an angle of 450 with the horizontal. Assuming that friction […]

Q.54 Two resistors 2ohm and 4ohm are combined in parallel. If this combination isconnected to a battery of 16 𝑉, the maximum current that can be drawn fromthe battery is […]

Q.53 In the given molecule,the number of chiral centers is __________. The number of chiral centers in the given molecule is 4. Detailed identification of chiral centers The molecule shown is […]

Q.52 Ammonia is synthesized in the Haber process in the following reaction.𝑁2(𝑔) + 3𝐻2(𝑔) → 2𝑁𝐻3(𝑔)The temperature above which the reaction becomes spontaneousis __________ 𝐾 (rounded off to one decimal […]

Q.51 The data provided in the table were obtained from the following reaction,carried out at 273 𝐾.𝐴 + 𝐵 → 𝐶 The order of the reaction with respect to 𝐴 […]

Q.50 A bacterial cell suspension contains 2  105 𝑐𝑒𝑙𝑙𝑠 𝑚𝐿−1. The volume of thissuspension required to obtain 1.4  106 𝑐𝑒𝑙𝑙𝑠 is __________ 𝑚𝐿 (rounded offto the nearest integer). […]

Q.49 Three genes x, y, and z are located on a chromosome in a linear order. If therecombination frequencies between x and y is 0.15, and between y and z […]

Q.48 The amount of agarose required to prepare 250 𝑚𝐿 of 0.8% agarose gelis __________ 𝑔𝑟𝑎𝑚𝑠 (rounded off to the nearest integer). 2 grams of agarose are required to prepare […]

Q.47 The number of peaks in the 1H NMR spectrum of methoxymethane(𝐶𝐻3𝑂𝐶𝐻3) is __________. Methoxymethane (CH₃OCH₃), also known as dimethyl ether, exhibits one peak in its ¹H NMR spectrum due […]

Q.46 For a given square, if the area of its incircle is 100 𝑐𝑚2, then the area of itscircumcircle is __________ 𝑐𝑚2 (rounded off to the nearest integer). Problem Overview […]