1
KCET 2019
MCQ (Single Correct Answer)
+1
-0

Which of the following pair contains 2 lone pair of electrons on the central atom?

A
$$\mathrm{I}_3^{+}, \mathrm{H}_2 \mathrm{O}$$
B
$$\mathrm{H}_2 \mathrm{O}, \mathrm{NF}_3$$
C
$$\mathrm{XeF}_4, \mathrm{NH}_3$$
D
$$\mathrm{SO}_4^{2-}, \mathrm{H}_2 \mathrm{S}$$
2
KCET 2018
MCQ (Single Correct Answer)
+1
-0
The intramolecular hydrogen bond is present in
A
phenol
B
o-nitrophenol
C
p-nitrophenol
D
p-cresol
3
KCET 2018
MCQ (Single Correct Answer)
+1
-0
The state of hybrid orbitals of carbon in $\mathrm{CO}_2$, $\mathrm{CH}_4$ and $\mathrm{CO}_3^{2-}$ respectively is
A
$s p^3, s p^2$ and $s p$
B
$s p^3, s p$ and $s p^2$
C
$s p, s p^3$ and $s p^2$
D
$s p^2, s p^3$ and $s p$
4
KCET 2018
MCQ (Single Correct Answer)
+1
-0
Acidity of $\mathrm{BF}_3$ can be explained on which of the following concepts?
A
Arrhenius concept
B
Bronsted Lowry concept
C
Lewis concept
D
Bronsted Lowry as well as Lewis concept
KCET Subjects
EXAM MAP