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1
AP EAPCET 2022 - 5th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

In the Lewis dot structure of carbonate ion shown under the formal charges on the oxygen atoms 1, 2 and 3 are respectively

AP EAPCET 2022 - 5th July Morning Shift Chemistry - Chemical Bonding and Molecular Structure Question 1 English

A
$$-2,0,0$$
B
$$-1,0,-1$$
C
$$0,-1,-1$$
D
$$-3,0,+1$$
2
AP EAPCET 2022 - 5th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

The set of species having only fractional bond order values is

A
$$\mathrm{C}_2^{2-}, \mathrm{N}_2, \mathrm{O}_2^{2-}$$
B
$$\mathrm{O}_2^{+}, \mathrm{O}_2^{-}, \mathrm{N}_2^{+}$$
C
$$\mathrm{O}_2^{2+}, \mathrm{O}_2, \mathrm{C}_2^{2-}$$
D
$$\mathrm{Li}_2, \mathrm{H}_2^{+}, \mathrm{C}_2$$
3
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

The set of molecules in which the central atom is not obeying the octet rule is

A
$$\mathrm{CO}_2, \mathrm{SiH}_4, \mathrm{BeCl}_2$$
B
$$\mathrm{H}_2 \mathrm{O}, \mathrm{Cl}_2 \mathrm{O}, \mathrm{CO}_2$$
C
$$\mathrm{CH}_4, \mathrm{NH}_3, \mathrm{OF}_2$$
D
$$\mathrm{SF}_6, \mathrm{PCI}_5, \mathrm{XeF}_2^2$$
4
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

The formal charges of atoms (1), (2) and (3) in the ion AP EAPCET 2022 - 4th July Evening Shift Chemistry - Chemical Bonding and Molecular Structure Question 3 English is

A
0, +2, $$-$$1
B
0, +1, 0
C
+2, 0, $$-$$1
D
+1, 0, 0
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