NTA JEE Mains 2nd April Shift 1 2026

5.33 g of CrCl$$_3$$·6H$$_2$$O, which is a 1 : 3 electrolyte, is dissolved in water and is passed through a cation exchanger. The chloride ions in the eluted solution, on treatment with AgNO$$_3$$ results in 8.61 g of AgCl. The ratio of moles of complex reacted and moles of AgCl formed is __________ × 10$$^{-2}$$. (Nearest integer) [Molar mass in g mol$$^{-1}$$ Cr : 52, Ag : 108, Cl : 35.5, H : 1, O : 16]

Consider the isomers of hydrocarbon with molecular formula C$$_5$$H$$_{10}$$. These isomers do not decolourise KMnO$$_4$$ solution. These isomers are subjected to chlorination with chlorine in presence of light to give monochloro compounds. The total number of monochloro compounds (structural isomers only) formed is __________.

One mole of an alkane (x) requires 8 mole oxygen for complete combustion. Sum of number of carbon and hydrogen atoms in the alkane (x) is __________.

For reaction A → P, rate constant k = 1.5 × 10$$^3$$ s$$^{-1}$$ at 27°C. If activation energy for the above reaction is 60 kJ mol$$^{-1}$$, then the temperature (in °C) at which rate constant, k = 4.5 × 10$$^3$$ s$$^{-1}$$ is __________. (Nearest integer) Given : log 2 = 0.30, log 3 = 0.48, R = 8.3 J K$$^{-1}$$ mol$$^{-1}$$, ln 10 = 2.3

At the transition temperature T, A ⇌ B and ΔG$$^0$$ = 105 − 35 log T where A and B are two states of substance X. The transition temperature in °C when pressure is 1 atm is __________. (Nearest integer)