1.

Calculate mass defect in the following reaction                 \[_{1}{{H}^{2}}{{+}_{1}}{{H}^{3}}{{\to }_{1}}H{{e}^{4}}{{+}_{0}}{{n}^{1}}\]                 (Given : mass \[{{H}^{2}}=2.014,\,{{H}^{3}}=3.016,\,He=4.004,\] \[n=1.008\,amu\])          [Kerala CET 2005]

A.                 0.018 amu          
B.                 0.18 amu
C.                 0.0018 amu
D.                 1.8 amu
E.                 18 amu
Answer» B.                 0.18 amu


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