1
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 $s p$
2
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
3
KCET 2017
MCQ (Single Correct Answer)
+1
-0
Which of the following structure of a molecule is expected to have three bond pairs and one lone pair of electrons?
A
Octahedral
B
Trigonal planar
C
Pyramidal
D
Tetrahedral
4
KCET 2017
MCQ (Single Correct Answer)
+1
-0
Which of the following elements forms $p_\pi-p_\pi$ bond with itself?
A
P
B
Se
C
N
D
Te
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