1
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
Crystal field splitting energy for high spin d4 octahedral complex is
A
$$-$$ 1.2 $$\Delta $$o
B
$$-$$ 0.6 $$\Delta $$0
C
$$-$$ 0.8 $$\Delta $$o
D
$$-$$ 1.6 $$\Delta $$o
2
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$$-$$
3
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
The anion of acetylacetone (acac) forms Co (acac)3 chelate with Co3+. The rings of the chelate are
A
five membered
B
four membered
C
six membered
D
three membered.
4
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
Three thermochemical equations are given below
(i)  C(graphite) + O2(g) $$ \to $$ CO2(g); $$\Delta $$rHo = x kJ mol$$-$$1
(ii)  C(graphite) + $${1 \over 2}$$O2(g) $$ \to $$ CO(g); $$\Delta $$rHo = y kJ mol$$-$$1
(iii)  CO(g) + $${1 \over 2}$$O2(g) $$ \to $$ CO2(g); $$\Delta $$rHo = z kJ mol$$-$$1
Based on the above equations, find out which of the relationship given below is correct.
A
z = x + y
B
x = y + z
C
y = 2z $$-$$ x
D
x = y $$-$$ z