MCQ
Isomers of propionic acid are
- ✓$HCOO{C_2}{H_5}$ and $C{H_3}COOC{H_3}$
- B$HCOO{C_2}{H_5}$ and ${C_3}{H_7}COOC{H_3}$
- C$C{H_3}COOC{H_3}$ and ${C_3}{H_7}OH$
- D${C_3}{H_7}OH$and $C{H_3}COC{H_3}$
$(A) \,HCOOC _2 H _2$ meet formula $= c _3 H _6 O _2$
$CH _3COOCH_3$ Meet formula $= C _3 H _6 O _2$
Hence, option $A$ is correct.
$(B) \,H - COOC _2 H _5$ and $C _3 H _7COOH$
$HCOOC_2 H _5$ Meet formula $= C _3 H _6 O _2$
$C _3 H _4 COOH$ meet formula $= C _4 H _8 O _2$
Hence, option $B$ is incorrect.
Similarly, options $C$ and $D$ are incorrect.
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$(I)\,[Kr]\,5s^1$ $(II)\, [Rn]\,5f^{14}\,6d^1\,7s^2$
$(III)\,[Ar]\,3d^{10}\,4s^2\,4p^5$ $(IV)\,[Ar]\,3d^6\,4s^2$
Consider the following Statements
$(i)\, I$ shows variable oxidation State
$(ii)\, II$ is a $d-block$ element
$(iii)$ The compound formed between $I$ and $III$ is covalent
$(iv)\,IV$ shows single oxidation state
Which Statement is True $(T)$ or False $(F)$?