A) \[1-2a\]
B) \[1-a\]
C) \[1+2a\]
D) \[1+a\]
Correct Answer: C
Solution :
\[\underset{1-a}{\mathop{\underset{1}{\mathop{A}}\,}}\,2\underset{2a}{\mathop{\underset{0}{\mathop{B}}\,}}\,+\underset{a}{\mathop{\underset{0}{\mathop{C}}\,}}\,\] Number of mole \[=(1+2a)\]You need to login to perform this action.
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