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

Oxidation state of copper is +1 in

A
malachite
B
cuprite
C
azurite
D
chalcopyrite
2
KCET 2018
MCQ (Single Correct Answer)
+1
-0
Which of the following oxides shows electrical properties like metals?
A
$\mathrm{SiO}_2$
B
MgO
C
$\mathrm{SO}_2(\mathrm{~s})$
D
$\mathrm{CrO}_2$
3
KCET 2018
MCQ (Single Correct Answer)
+1
-0
Which of the following oxidation states is common for all lanthanides?
A
+2
B
+3
C
+4
D
+5
4
KCET 2017
MCQ (Single Correct Answer)
+1
-0
The magnetic nature of elements depends on the presence of unpaired electrons. Identify the configuration of transition elements which shows highest magnetic moment?
A
$3 d^7$
B
$3 d^8$
C
$3 d^5$
D
$3 d^2$
KCET Subjects
EXAM MAP