MCQ
The correct bond order in the following species is
- A$O_{2}^+ < O_{2}^- < O_2^{2+}$
- ✓$O_{2}^- < O_{2}^+ < O_2^{2+}$
- C$O_2^{2+} < O_{2}^+ < O_{2}^-$
- D$O_2^{2+} < O_{2}^- < O_{2}^+$
$\quad \quad \quad \quad \quad O_{2}^{-} \quad O_{2}^{+} \quad O_{2}^{+2}$
No. ofe $^{-} \quad 17 \quad\;\; 15 \quad\quad 14$
Bond order $1.5 \quad \;2.5 \quad \quad 3.0$
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| List $I$ Vitamin | List $II$ Deficiency disease |
| $A$ Vitamin $A$ | $I.$ Beri-Beri |
| $B$ Thiamine | $II.$ Cheilosis |
| $C$ Ascorbic acid | $III.$ Xeropthalmia |
| $D$ Riboflavin | $IV.$ Scurvy |
Choose the correct answer from the options given below:
$Cl_2 + 2Y^-\to 2Cl^-+ Y_2$
The incorrect match regarding above reaction is
| Column-I (Alcohol) | Column-II (Product) |
| a. $1^0$ alcohol | i. Ketone |
| b. $2^0$ alcohol | ii. Alkene |
| c. $3^0$ alcohol | iii. Aldehyde |