In the balanced equation: \(\underline{a} Al + \underline{b} \ NaOH + \underline{c} \ H_2 O \rightarrow \underline{d} \ NaAlo_2 + 3 \ H_2 (g) \uparrow\) the value of \(\underline{a} \ \underline{b} \ \underline{c} \ \underline{d}\) are respectively
1
3, 2, 1, 3
2
2, 2, 2, 2
3
3, 3, 3, 3
4
2, 3, 2, 2
5
Not Attempted