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JEEMAIN-2014
The number and type of bonds in $\;C_{2}^{2-}\;$ ion in $\;CaC_{2}\;$ are :
(a) one $\;\sigma\;$ bond and one $\;\pi -\;$ bond\[\](b) one $\;\sigma\;$ bond and two $\;\pi -\;$ bond\[\](c) two $\;\sigma\;$ bond and two $\;\pi -\;$ bond \[\](d) two $\;\sigma\;$ bond and one $\;\pi -\;$ bond
jeemain
chemistry
2014
set-01
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May 6, 2014
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yamini.v
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