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Chemistry Class 12 Chapter 6
Transition Elements
Test 6
1.
Which of the element shows the abnormal electronic configuration?
Zn
Cu
Fe
Co
2.
Which element shows minimum melting point?
Zn
Sc
Cr
Co
3.
Which of the group elements show maximum binding energy?
IIIB
IV
IIB
VB
4.
Which ion has maximum no. of unpaired electrons in 3d sub shell and show maximum paramagnetic behavior?
Cr
3
Ni
2
Co
2
Fe
3
5.
Which of the element is called non-typical transition element?
Ti
Cd
Cr
Sc
6.
Which complex ion shows octahedral geometry?
[MnCl
4
]
2-
[Co(NH
3
)
6
]
3+
[PCl
5
]
[Cu(NH
3
)
4
]
2-
7.
Which form of iron is the hardest?
Pig iron
Wrought iron
Cast iron
Mild steel
8.
Which acts as an oxidizing agent?
H
2
S
Cl
2
KI
MnO
2
9.
Which type of steel is used for making parts of machinery?
Mild steel
Medium carbon steel
High carbon steel
All of the above
10.
Which of the following substance is reducing agent?
Potassium dichromate
Sulphuric acid
Potassium iodide
Potassium permanganate
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