NTA JEE Main 2025 April 02 Shift 1

Given below are two statements:

In the light of the above statements, choose the most appropriate answer from the options given below:

Identify the correct statement among the following:

The correct order of basic nature on aqueous solution for the bases $$NH_3$$, $$H_2N-NH_2$$, $$CH_3CH_2NH_2$$, $$(CH_3CH_2)_2NH$$ and $$(CH_3CH_2)_3N$$ is:

Given below are two statements:

Statement (I): The metallic radius of Al is less than that of Ga.

Statement (II): The ionic radius of Al$$^{3+}$$ is less than that of Ga$$^{3+}$$.

In the light of the above statements, choose the most appropriate answer from the options given below:

Given below are two statements:

Statement (I): In octahedral complexes, when $$\Delta_o \lt P$$ high spin complexes are formed. When $$\Delta_o \gt P$$ low spin complexes are formed.

Statement (II): In tetrahedral complexes because of $$\Delta_t \lt P$$, low spin complexes are rarely formed.

In the light of the above statements, choose the most appropriate answer from the options given below:

Choose the correct tests with respective observations.

(A) $$CuSO_4$$ (acidified with acetic acid) + $$K_4[Fe(CN)_6]$$ $$\rightarrow$$ Chocolate brown precipitate.

(B) $$FeCl_3 + K_4[Fe(CN)_6]$$ $$\rightarrow$$ Prussian blue precipitate.

(C) $$ZnCl_2 + K_4[Fe(CN)_6]$$, neutralised with $$NH_4OH$$ $$\rightarrow$$ White or bluish white precipitate.

(D) $$MgCl_2 + K_4[Fe(CN)_6]$$ $$\rightarrow$$ Blue precipitate.

(E) $$BaCl_2 + K_4[Fe(CN)_6]$$, neutralised with NaOH $$\rightarrow$$ White precipitate.

Choose the correct answer from the options given below:

On complete combustion 1.0 g of an organic compound (X) gave 1.46 g of $$CO_2$$ and 0.567 g of $$H_2O$$. The empirical formula mass of compound (X) is ________ g.

(Given molar mass in g mol$$^{-1}$$ C: 12, H: 1, O: 16)

Consider the following compound (X):

The most stable and least stable carbon radicals, respectively, produced by homolytic cleavage of corresponding C-H bond are:

Consider the following molecules:

The correct order of rate of hydrolysis is:

A molecule with the formula $$AX_4Y$$ has all its elements from p-block. Element $$A$$ is rarest, monoatomic, non-radioactive from its group and has the lowest ionization enthalpy value among$$ A, X$$ and $$Y$$. Elements $$X$$ and $$Y$$ have first and second highest electronegativity values respectively among all the known elements. The shape of the molecule is: