MCQ
In base $vs.$ Acid titration, at the end point methyl orange is present as
- ✓quinonoid\,\,form
- Bheterocyclic\,form
- Cphenolic\,form
- Dbenzenoid\,form
✓
Answer
Correct option: A.
quinonoid\,\,form
a
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 hydrides are ionic
For a certain reaction consider the plot of $lnk$ versus $1/T$ given in the figure. If the rate constant of this reaction at $400\,K$ is $10^{-5}\,s^{-1},$ then the rate constant at $500\,K$ is
→What is the radius ratio for $2^{nd}$ orbit of $Li^{+2}$ ion $3^{rd}$ orbit of $Be^{+3}$ ion ?
→With anhydrous zinc chloride, ethylene glycol gives
What is the hybridisation state of central atom and shape in conjugate base of ammonium ion
Ceric ammonium nitrate and $CHCl _{3} /$ alc. $KOH$ are used for the identification of functional groups present in ...... and ........ respectively.
→At $298\, K$ the $emf$ of cell is .......... $\mathrm{V}$
→$\operatorname{P} t|{H_{{2_{\left( {2\,atm} \right)}}}}|H_{\left( {0.002\,M} \right)}^ \oplus ||H_{\left( {0.1\,M} \right)}^ \oplus |{H_{{2_{\left( {1\,atm} \right)}}}}|Pt$
When the excited electron of a $H$ atom from $n =5$ drops to the ground state, the maximum number of emission lines observed are$.......$
→Thalium shows different oxidation states because
Select the incorrect statement