MCQ
Which carbonyl compound has maximum dipole moment
- A

- B

- C

- ✓







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| $1$ | $2$ | $3$ | |
| $\mathrm{HI}\left(\mathrm{mol} \mathrm{L}^{-1}\right)$ | $0.005$ | $0.01$ | $0.02$ |
| Rate $\left(\mathrm{mol} \mathrm{L}^{-1} \mathrm{~s}-1\right)$ | $7.5 \times 10^{-4}$ | $3.0 \times 10^{-3}$ | $1.2 \times 10^{-2}$ |
$(A)$ The $M ^{3+} / M ^{2+}$ reduction potential for iron is greater than manganese
$(B)$ The higher oxidation states of first row $d$ block elements get stabilized by oxide ion.
$(C)$ Aqueous solution of $Cr ^{2+}$ can liberate hydrogen from dilute acid.
$(D)$ Magnetic moment of $V ^{2+}$ is observed between $4.4-5.2\,BM$
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