1
JEE Main 2023 (Online) 15th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
The number of $\mathrm{P}-\mathrm{O}-\mathrm{P}$ bonds in $\mathrm{H}_{4} \mathrm{P}_{2} \mathrm{O}_{7},\left(\mathrm{HPO}_{3}\right)_{3}$ and $\mathrm{P}_{4} \mathrm{O}_{10}$ are respectively :
A
$1,3,6$
B
$1,2,4$
C
$0,3,4$
D
$0,3,6$
2
JEE Main 2023 (Online) 15th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Consider the following statements:

(A) NF3 molecule has a trigonal planar structure.

(B) Bond length of $\mathrm{N}_{2}$ is shorter than $\mathrm{O}_{2}$.

(C) Isoelectronic molecules or ions have identical bond order.

(D) Dipole moment of $\mathrm{H}_{2}\mathrm{S}$ is higher than that of water molecule.

Choose the correct answer from the options given below:
A
(C) and (D) are correct
B
(A) and (B) are correct
C
(B) and (C) are correct
D
(A) and (D) are correct
3
JEE Main 2023 (Online) 13th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements :

Statement I : $$\mathrm{SO}_{2}$$ and $$\mathrm{H}_{2} \mathrm{O}$$ both possess V-shaped structure.

Statement II : The bond angle of $$\mathrm{SO}_{2}$$ is less than that of $$\mathrm{H}_{2} \mathrm{O}$$.

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

A
Both Statement I and Statement II are incorrect
B
Both Statement I and Statement II are correct
C
Statement I is correct but Statement II is incorrect
D
Statement I is incorrect but Statement II is correct
4
JEE Main 2023 (Online) 13th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

In which of the following processes, the bond order increases and paramagnetic character changes to diamagnetic one ?

A
$$\mathrm{O}_{2} \rightarrow \mathrm{O}_{2}^{2-}$$
B
$$\mathrm{N}_{2} \rightarrow \mathrm{N}_{2}^{+}$$
C
$$\mathrm{NO} \rightarrow \mathrm{NO}^{+}$$
D
$$\mathrm{O}_{2} \rightarrow \mathrm{O}_{2}^{+}$$
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