MCQ
How many isomers are possible for ${C_4}{H_{10}}O$
- A$3$
- B$4$
- C$5$
- ✓$6$
$\mathop {{C_6}{H_5} - \mathop {\mathop C\limits^{||} }\limits^O - C{H_2} - \mathop {\mathop C\limits^{||} }\limits^O - C{H_3}}\limits_{{\rm{(Keto form)}}} \,$and
$\mathop {{C_6}{H_5} - \mathop {\mathop C\limits_{||} }\limits_O - CH = \mathop {\mathop {C\,\,\,}\limits_{|\,\,\,\,} }\limits_{OH} - C{H_3}}\limits_{{\rm{(enol form)}}} $
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$(a)\,B{r_2}(l) \to B{r_2}(g)$
$(b)\,{H_2}O(s) \to {H_2}O(g)$
$(c)\,{N_2}\,\left[ {1\,atm,\,{{100}\,^o}C} \right] \to {N_2}\,\left[ {1\,atm,\,{{150}\,^o}C} \right]$
$(d)\,{N_2}\,(g) + 3{H_2}(g) \to 2N{H_3}(g)$
$(e)\,CaC{O_3}(s) \to CaO(s) + C{O_2}(g)$
$(I)$ $Na_2O_2$
$(II)$ $O_2 [AsF_6]$
$(III)$ $CsO_2$
$(IV)$ $O_2$
$(a)\,0.075\,\,M\,CuS{O_4}$ $(b)\,0.060\,\,M\,(NH_4)_2SO_4$
$(c)\,0.14\,\,M\,urea$ $(d)\,0.04\,M\,MgCl_2$
Assertion $A$: Permanganate titrations are not performed in presence of hydrochloric acid.
Reason $R$ : Chlorine is formed as a consequence of oxidation of hydrochloric acid.
In the light of the above statements, choose the correct answer from the options given below.