MCQ
In a sigma bond
- ASidewise as well as end to end overlap of orbitals take place
- BSidewise overlap of orbitals takes place
- ✓End to end overlap of orbitals takes place
- DNone of the above
A covalent bond resulting from the formation of a molecular orbital by the end-to-end overlap of atomic orbitals, denoted by the symbol $\sigma$.
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$C{H_3} - C \equiv CH\xrightarrow{{Excess\,\, HCl}}\left( A \right)\xrightarrow{{{H_2}O/O{H^\Theta }}}\left( x \right)$
$I_2 + 2e^-\to 2I^-$ ; $E^o = 0.54 \,V$
$MnO_4^-+ 8H^+ + 5e^-\to Mn^{2+} + 4H_2O$ ; $E^o = 1.52\, V$
$Fe^{3+} + e^-\to Fe^{2+}$ ; $E^o = 0.77\, V$
$Sn^{4+} + 2e^-\to Sn^{2+}$ ; $E^o = 0.1\, V$
The strongest reducant and oxidant respectively are :
