NTA JEE Main 2025 April 8th Shift 2

The correct decreasing order of spin only magnetic moment values (BM) of $$Cu^+$$, $$Cu^{2+}$$, $$Cr^{2+}$$ and $$Cr^{3+}$$ ions is :

Which one of the following reactions will not lead to the desired ether formation in major proportion? (iso-Bu $$\Rightarrow$$ isobutyl, sec-Bu $$\Rightarrow$$ sec-butyl, nPr $$\Rightarrow$$ n-propyl, $$^t$$Bu $$\Rightarrow$$ tert-butyl, Et $$\Rightarrow$$ ethyl)

On combustion 0.210 g of an organic compound containing C, H and O gave 0.127 g $$H_2O$$ and 0.307 g $$CO_2$$. The percentages of hydrogen and oxygen in the given organic compound respectively are :

Choose the correct option for structures of A and B, respectively.

Correct statements for an element with atomic number 9 are :
A. There can be 5 electrons for which $$m_s = +\frac{1}{2}$$ and 4 electrons for which $$m_s = -\frac{1}{2}$$
B. There is only one electron in $$p_z$$ orbital
C. The last electron goes to orbital with $$n = 2$$ and $$l = 1$$
D. The sum of angular nodes of all the atomic orbitals is 1.
Choose the correct answer from the options given below:

The number of species from the following that are involved in $$sp^3d^2$$ hybridization is : $$[Co(NH_3)_6]^{3+}$$, $$SF_6$$, $$[CrF_6]^{3-}$$, $$[CoF_6]^{3-}$$, $$[Mn(CN)_6]^{3-}$$, and $$[MnCl_6]^{3-}$$

Match the LIST-I with LIST-II 

Choose the correct answer from the options given below :

When

undergoes intramolecular aldol condensation, the major product formed is :

Match the LIST-I with LIST-II

Choose the correct answer from the options given below :

Given below are two statements :
Statement I : $$H_2Se$$ is more acidic than $$H_2Te$$.
Statement II : $$H_2Se$$ has higher bond enthalpy for dissociation than $$H_2Te$$.
In the light of the above statements, choose the correct answer from the options given below.