MCQ
$1, 2, 3$ -trihydroxybenzene is also known as
  • Pyrogallol
  • B
    Phloroglucinol
  • C
    Resorcinol
  • D
    Quinol

Answer

Correct option: A.
Pyrogallol
a
It’s Obvious.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

$B$ has a smaller first ionization enthalpy than $Be$. Consider the following statements :

$(I)$ It is easier to remove $2 \mathrm{p}$ electron than $2 \mathrm{s}$ electron

$(II)$ $2 \mathrm{p}$ electron of $\mathrm{B}$ is more shielded from the nucleus by the inner core of electrons than the $2 s$ electrons of $Be.$

$(III)\; 2 s$ electron has more penetration power than $2 \mathrm{p}$ electron.

$(IV)$ atomic radius of $\mathrm{B}$ is more than $\mathrm{Be}$

(Atomic number $\mathrm{B}=5, \mathrm{Be}=4$ )

The correct statements are

Product formed when $PCl_5$ react with conc. $H_2SO_4$
For the feasibility of a redox reaction in a cell, the e.m.f. should be
Which of following is not product of reaction ?
The number of stereoisomers possible for a compound of the molecular formula

$CH_3 -CH = CH -CH( OH)-Me$ is :

Suppose that an alkaline dry cell was manufactured using cadmium metal rather than $Zn$ . What effect would this have on the standard emf of the cell. The standard reduction potential $E_{C{d^{2 + }}/Cd}^o =  - 0.40\,V$ 

while $E_{Z{n^{2 + }}/Zn}^o =  - 0.76\,V$

Half-life period of a first order reaction is $1386$ seconds. The specific rate constant of the reaction is
$HO - (CH_2)_6 - OH,$ this conversion can be achieved by
For the complex $ML_2$, stepwise formation constants 

                                  $M + L \rightleftharpoons ML$

                                  $ML + L \rightleftharpoons M{L_2}$

are $4$ and $3$. Hence, overall stability constant for

                                   $M + 2L \rightleftharpoons M{L_2}$ is

Number of bonds in benzene