MCQ
The best method to prepare cyclohexene from cyclohexanol is by using
- AConc. $HCl \,+$ $ZnCl_2$
- ✓Conc. $H_3PO_4$
- C$HBr$
- DConc. $HCl$
✓
Answer
Correct option: B.
Conc. $H_3PO_4$
b
(b) Because conc. $H_3PO_4$ acts as a dehydrating agent.
(b) Because conc. $H_3PO_4$ acts as a dehydrating agent.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Which of the following condition will increase the voltage of the cell, represented by the equation $C{u_{(s)}} + 2A{g^ + }_{(aq)} \to C{u^{2 + }}_{(aq)} + 2A{g_{(s)}}$
→Identify the incorrect statement among the following
Among the following amines, which one has the highest pKb value in aqueous solution?
The source of pyridoxine is:
Which of the following is correct
→Penta acetate of glucose $\xrightarrow[{\operatorname{Re} agent}]{{Tollen's}}$ $+\,ve$ test $(A)$
Penta acetate of glucose $\xrightarrow{{Benedicts}}$ $+\,ve$ test $(B)$
Penta acetate of glucose $\xrightarrow[{\operatorname{Re} agent}]{{Schiffs}}$ $-\,ve$ test $(C)$
Penta acetate of glucose $\xrightarrow{{NaHS{O_3}}}$ $-\,ve$ test $(D)$
$1-2-$ dichloro ethane $+ NaSCH_2 CH_2SNa \to C_4H_8S_2 + (P)$
→Unknown product $(P)$ of the above reaction is
Which of following species represent mixed anhydride ?
Which of the following complex of $Co^{+3}$ show more than one type of isomerism?
→Phenol $(C_6H_6O)$ $\xrightarrow{{B{r_2}\,\,in\,\,C{S_2}}}$ $X$ (Major product)
→Phenol $(C_6H_6O)$ $\xrightarrow{{B{r_2}\,\,in\,\,H_2{O}}}$ $Y$ (Major product)
What is $X$ and $Y$ in above reaction respectively
Concentrated $HNO_3$ reacts with iodine to give
→