d-Block Flashcards
(46 cards)
1
Q
Sc3+
A
Colourless
2
Q
Ti4+
A
Colourless
3
Q
Ti3+
A
Purple
4
Q
V4+
A
Blue
5
Q
V3+
A
Green
6
Q
V2+
A
Violet
7
Q
Cr3+
A
Violet
8
Q
Mn3+
A
Violet
9
Q
Cr2+
A
Blue
10
Q
Mn2+
A
Pink
11
Q
Fe3+
A
Yellow
12
Q
Fe2+
A
Green
13
Q
Co3+
A
Blue
14
Q
Co2+
A
Pink
15
Q
Ni2+
A
Green
16
Q
Cu2+
A
Blue
17
Q
Zn2+
A
Colourless
18
Q
Highest Melting Point in 3d
A
Cr
19
Q
Lowest Melting Point in 3d
A
Lowest 3d element -> Zn
Lowest transition element -> Mn
20
Q
Highest Melting Point in d-block
A
W
21
Q
Lowest Melting Point in d-block
A
Hg
22
Q
Highest Enthalpy of atomisation in 3d
A
V
23
Q
Lowest Enthalpy of atomisation in 3d
A
Zn
24
Q
Highest density in 3d
A
Cu >Ni (8.9 gcm-3)
25
Lowest density in 3d
Sc (3.1 gcm-3)
26
Highest density in d-block
Os > Ir
27
Lowest density in d-block
Sc
28
Lowest I.E in 3d
Sc
29
Highest I.E in 3d
Zn
30
Group 12 I.E trend
Hg > Zn > Cd
31
Highest Oxidation state
+8
Os, Ru, Xe
32
Reduction Potential Eo M2+/M trend of 3d
Ti2+ < Mn2+ < V2+ < Cr2+ < Zn2+ < Fe2+ < Co2+ < Ni2+ < Cu2+
33
Reduction Potential Eo M3+/M2+ trend of 3d (only the ones with +ve value)
Co3+ > Mn3+ > Fe3+
34
Catalyst of Contact Process of Sulphuric Acid
V2O5
35
Catalyst of Ostwald Process of Nitric Acid
Pt / Rhodium
36
Catalyst of Haber’s Process
Fe
37
Catalyst of Alkene Hydrogenation
Wilkinson’s Catalyst
[Rh(PPh3)3Cl]
38
Catalyst for Waker’s Process (Alkene->Aldehyde)
PdCl2
39
Catalyst for Zieglar-Natta Polymers
TiCl4 + Et3Al
(Stannic Chloride + TriEthyl Aluminium)
40
Brass is Alloy of
Cu+Zn
41
Bronze is alloy of
Cu+Ti
42
UK Silver Coins are made of
Cu+Ni Alloy
43
UK Bronze Coins are made of
Copper Coated Steel
44
Photography Industry uses
AgBr (Light Sensitive)
45
Dry Cell Cathode is
MnO2
46
Pigment Industry uses
TiO (White Pigment)
