NTA JEE Mains 29th Jan 2025 Shift 1

The molar mass of the water insoluble product formed from the fusion of chromite ore $$(FeCr_{2}O_{4})$$ with $$Na_{2}CO_{3}$$ in presence of $$O_{2}$$ is_______$$gmol^{-1}$$.

Given below are some nitrogen containing compounds

Each of them is treated with HCl separately. 1.0 g of the most basic compound will consume _______ mg of HCl. (Given molar mass in $$gmol^{-1}$$ C : 12, H : 1, O : 16, Cl : 35.5)

The sum of sigma $$(\sigma)$$ and pi$$(\pi)$$ bonds in Hex-1,3-dien-5-yne is _______.

0.1 mole of compound ' S ' will weigh _______ g. (Given molar mass in $$gmol^{-1}$$ C : 12, H : 1, O : 16)

If $$A_{2}B$$ is 30% ionised in an aqueous solution, then the value of van't Hoff factor (i) is ______ $$\times 10^{-1}$$