1.

In the following reaction the value of ?X? is \[_{7}{{N}^{14}}{{+}_{2}}H{{e}^{4}}\,\to \,X{{+}_{1}}{{H}^{1}}\]                    [DPMT 1999; CPMT 2003]

A.            \[_{8}{{N}^{17}}\]              
B.            \[_{8}{{O}^{17}}\]
C.            \[_{7}{{O}^{16}}\]              
D.            \[_{7}{{N}^{16}}\]
Answer» C.            \[_{7}{{O}^{16}}\]              


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