1
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
Number of isomeric alcohols of molecular formula C6H14O which give positive iodoform test is
A
three
B
four
C
five
D
two
2
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
Sc (Z = 21) is a transition element but Zn (Z = 30) is not because
A
both Sc3+ and Zn2+ ions are colourless and form white compounds.
B
in case of Sc, 3d orbitals are partially filled but in Zn these are filled.
C
last electron is assumed to be added to 4s level in case of Zn.
D
both Sc and Zn do not exhibit variable oxidation states.
3
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
In a particular isomer of [Co(NH3)4Cl2]o, the Cl$$-$$Co$$-$$Cl angle is 90o, this isomer is known as
A
optical isomer
B
cis-isomer
C
position isomer
D
linkage isomer.
4
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
Which is diamagnetic?
A
[Co(F)6]3$$-$$
B
[Ni(CN)4]2$$-$$
C
[NiCl4]2$$-$$
D
[Fe(CN)6]3$$-$$