1
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
$$\mathrm{SF}_6, \mathrm{PCI}_5, \mathrm{XeF}_2^2$$
2
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 28 English is

A
0, +2, $$-$$1
B
0, +1, 0
C
+2, 0, $$-$$1
D
+1, 0, 0
3
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

The hybridisations of carbon in graphite, diamond and $$\mathrm{C}_{60}$$ are respectively

A
$$s p^2, s p^2, s p$$
B
$$s p^2, s p^3, s p^2$$
C
$$s p, s p^2, s p^3$$
D
$$s p, s p^3, s p$$
4
AP EAPCET 2022 - 4th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

Choose the correct option from the following.

A
KF is more covalent than KI
B
$$\mathrm{SnCl}_4$$ is less covalent than $$\mathrm{SnCl}_2$$
C
LiF is more covalent than KF
D
$$\mathrm{ZnCl}_2$$ is less covalent than NaCl
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