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Q. 15 The temperature dependence of reaction rates is generally given by the Arrheniusequation. A plot of ln 𝑘𝑟 against 1/𝑇 is a straight line from which the pre–exponential factor […]

Q. 14 The standard enthalpy of the reaction,C (graphite) + H2O (g) → CO (g) + H2 (g) is found to be +131.3 kJ mol–1and the ∆𝑓𝐻0 value for CO […]

Q. 13 The bond order in 𝑁22− species is(A) 2(B) 2.5(C) 3(D) 3.5 The bond order of N22− is 2, so the correct option is (A) 2. Introduction The bond […]

Q. 12 The CORRECT order of boiling points for the hydrogen halides is(A) HF > HI > HBr > HCl(B) HF > HCl > HBr > HI(C) HI > HBr […]

Q.11 The rate of solvolysis for the following tertiary halides in 80% aqueous ethanol at25 °C follows the order(A) I Compound II – endo‑2‑bromonorbornane: C–Br is at a bridgehead carbon […]

Q.10 Three villages P, Q, and R are located in such a way that the distance PQ = 13 km,QR = 14 km, and RP = 15 km, as shown […]

Q.9 A business person buys potatoes of two different varieties P and Q, mixes them ina certain ratio and sells them at ₹ 192 per kg.The cost of the variety […]

Q.8 Consider a five–digit number 𝑃𝑄𝑅𝑆𝑇 that has distinct digits 𝑃, 𝑄, 𝑅, 𝑆, and 𝑇, andsatisfies the following conditions:𝑃 𝑃 > 𝑇𝑅 P is 3. The conditions require testing […]

Q.7 For the clock shown in the figure, ifO* = O Q S Z P R T, andX* = X Z P W Y O Q ,then which one among […]

Q.6 “His life was divided between the books, his friends, and long walks. A solitaryman, he worked at all hours without much method, and probably courted his fatalillness in this […]