| $A$. विलयन का रंग: पीला | $X = NaNH_2, Y = \frac{1}{2} H_2$ |
| $B$. विलयन का रंग: नारंगी | $X = NaN_3, Y = \frac{9}{2} H_2$ |
| $C$. विलयन का रंग: नीला | $X = NaNH_2, Y = \frac{1}{2} H_2$ |
| $D$. विलयन का रंग: लाल | $X = NaN_3, Y = \frac{9}{2} H_2$ |
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