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Transition Elements - 4
1.
In [Fe(CN)
6
]
-4
the total charge on six cyanide ions is _______
a) +2
b) +6
c) -6
d) -4
2.
[PCl
5
] has _____ hybridization
a) dsp
2
b) sp
3
c) sp
3
d
2
d) dsp
2
3.
Heamatite has the general formula ________
a) Fe
3
O
4
b) Fe
2
O
3
c) Fe
2
O
2
d) FeO
4.
Medium carbon steel contain __________ % of carbon
a) 0.2 - 0.7%
b) 0.1 - 0.2%
c) 0.7 -1.5%
d) 1.5 -2.5%
5.
The coordination number in tetra ammine chloro nitro platinium (IV) sulphate is
a) 6
b) 8
c) 2
d) 4
6.
Zn
2
+
a) 4
b) 3
c) 0
d) 5
7.
Cu
2
+
a) 1
b) 2
c) 5
d) 4
8.
V
3
+
a) 4
b) 3
c) 2
d) 5
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