1
KCET 2018
MCQ (Single Correct Answer)
+1
-0
Which of the following is the correct order of radius?
A
$\mathrm{H}^{-}>\mathrm{H}>\mathrm{H}^{+}$
B
$\mathrm{Na}^{+}>\mathrm{F}^{-}>\mathrm{O}^{2-}$
C
$\mathrm{F}^{-}>\mathrm{O}^{2-}>\mathrm{Na}^{+}$
D
$\mathrm{Al}^{3+}>\mathrm{Mg}^{2+}>\mathrm{N}^{3-}$
2
KCET 2018
MCQ (Single Correct Answer)
+1
-0
Which of the following is an amphoteric oxide?
A
$\mathrm{V}_2 \mathrm{O}_5, \mathrm{Cr}_2 \mathrm{O}_3$
B
$\mathrm{Mn}_2 \mathrm{O}_7, \mathrm{Cr}_2 \mathrm{O}_3$
C
$\mathrm{CrO}, \mathrm{V}_2 \mathrm{O}_5$
D
$\mathrm{V}_2 \mathrm{O}_5, \mathrm{~V}_2 \mathrm{O}_4$
3
KCET 2018
MCQ (Single Correct Answer)
+1
-0
The electronic configuration of transition element " $X$ ", $[\mathrm{Ar}] 3 d^5$ is oxidation state is +3 . What is its atomic number?
A
25
B
26
C
27
D
24
4
KCET 2017
MCQ (Single Correct Answer)
+1
-0
The electronegativities of $\mathrm{C}, \mathrm{N}, \mathrm{Si}$ and P are in the order of
A
$\mathrm{P}<\mathrm{Si}<\mathrm{C}<\mathrm{N}$
B
Si $<$ P $<$ C $<$ N
C
$\mathrm{P}<\mathrm{Si}<\mathrm{N}<\mathrm{C}$
D
Si $<$ P $<$ N $<$ C
KCET Subjects
EXAM MAP