1
TG EAPCET 2024 (Online) 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
According to molecular orbital theory, which of the following statements is not correct?
A
$\mathrm{C}_{2}$ molecule is diamagnetic in nature
B
Bond order of $\mathrm{C}_{2}$ molecule is 2
C
$\mathrm{C}_{2}^{-}$ion is paramagnetic in nature
D
$\mathrm{C}_{2}$ consists of $1 \sigma$ and $1 \pi$ bonds
2
TG EAPCET 2024 (Online) 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The melting point of $o$-hydroxybenzaldehyde $(A)$ is lower than that of $p$-hydroxybenzaldehyde $(B)$. This is because
A
(A) has intermolecular H -bonding and (B) has intramolecols $H$-bonding.
B
Both $(A)$ and $(B)$ have intermolecular H -bonding.
C
Both $(A)$ and $(B)$ have intramolecular H -bonding.
D
(A) has intramolecular H -bonding and $(B)$ has intermoleovs $H$-bonding.
3
TG EAPCET 2024 (Online) 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The bond angles $\mathrm{H}-\mathrm{O}-\mathrm{N}$ and $\mathrm{O}-\mathrm{N}-\mathrm{O}$ in the planar structure of nitric acid molecule are respectively
A
$130^{\circ}, 102^{\circ}$
B
$102^{\circ}, 130^{\circ}$
C
$134^{\circ}, 100^{\circ}$
D
$100^{\circ}, 134^{\circ}$
4
TG EAPCET 2024 (Online) 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The number of lone pairs of electrons on central atom of $\mathrm{ClF}_{3}, \mathrm{NF}_{3}, \mathrm{SF}_{4}, \mathrm{XeF}_{4}$ respectively are
A
$0,1,0,2$
B
$2,1,0,0$
C
$2,1,1,2$
D
$2,1,1,0$
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