Multiple Choice QuestionsWhich of the following electronic configuration will have maximum IP difference between IInd and IIIrd ionisation potential?
1s2, 2s2 2p6, 3s1
1s2, 2s2 2p6, 3s2
1s2, 2s2 2p6
1s2, 2s2 2p5
Which one is the correct decreasing order of the ionic radii of the ions?
N3- > O2-> F- > Na+
N3-> Na+> O2- > F-
Na+ >O2-> N3-> F-
Na+> F-> O2->N3-
The ionic radii of N3-, O2-, F- and Na+ follow the order
N3- > O2- > F- > Na+
N3- > Na+ > O2- > F-
Na+ > O2- > N3- > F-
O2- > F- > Na+ > N3-
The strongest oxidising agent amongst F2, Cl2, Br2 and I2 is
F2
I2
Cl2
Br2
A.
F2
Since all the halogens have strong tendency to accept electrons, they act as strong oxidising agent.
F2 + 2e- → 2F- ; E° = + 2.87 V
Cl2 + 2e- → 2Cl- ; E° = +1.36 V
Br2 + 2e- → 2Br- ; E° = +1.09 V
I2 + 2e- → 2I- ; E° = +0.54 V
The electrode potential of F2 is the maximum while that of I2 the mimmum. So, F2 is the strongest oxidising agent while I2 is the weakest oxidising agent.
Which of the following is an organo-metallic compound?
Lithium ethoxide
Ethyl lithium
Lithium acetate
Lithium carbide
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