NTA JEE Main 29th January 2023 Shift 2

Given below are two statements:
Statement I: The decrease in first ionization enthalpy from B to Al is much larger than that from Al to Ga.
Statement II: The d orbitals in Ga are completely filled.
In the light of the above statements, choose the most appropriate answer from the options given below

According to MO theory the bond orders for O$$_2^{2-}$$, CO and NO$$^+$$ respectively, are

Which of the following relations are correct?
(A) $$\Delta U = q + p\Delta V$$
(B) $$\Delta G = \Delta H - T\Delta S$$
(C) $$\Delta S = \frac{q_{rev}}{T}$$
(D) $$\Delta H = \Delta U - \Delta nRT$$
Choose the most appropriate answer from the options given below:

An indicator 'X' is used for studying the effect of variation in concentration of iodide on the rate of reaction of iodide ion with H$$_2$$O$$_2$$ at room temp. The indicator 'X' forms blue colored complex with compound 'A' present in the solution. The indicator 'X' and compound 'A' respectively are

Given below are two statements:
Statement I: Nickel is being used as the catalyst for producing syn gas and edible fats.
Statement II: Silicon forms both electron rich and electron deficient hydrides.
In the light of the above statements, choose the most appropriate answer from the options given below:

When a hydrocarbon A undergoes combustion in the presence of air, it requires $$9.5$$ equivalents of oxygen and produces $$3$$ equivalents of water. What is the molecular formula of A?

The concentration of dissolved Oxygen in water for growth of fish should be more than X ppm and Biochemical Oxygen Demand in clean water should be less than Y ppm. X and Y in ppm are, respectively.

Match List I with List II.

Match List-I and List-II

The major component of which of the following ore is sulphide based mineral?