MCQ
Glucose $+$ Tollen's reagent $ \to $ Silver mirror shows
- APresence of acidic group
- BPresence of alkaline group
- CPresence of ketonic group
- ✓Presence of aldehyde group
✓
Answer
Correct option: D.
Presence of aldehyde group
d
It's Obvious.
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.
Explore more
Similar questions
The reaction of acetamide with water is an example of
$C{H_4}$ is formed when
→The poisonous gas that comes out with petrol burning in a car is
Reimer-Tiemann reaction introduces an aldehyde group, on to the aromatic ring of phenol, ortho to the hydroxyl group. This reaction involves electrophilic aromatic substitution. This is a general method for the synthesis of substituted salicyladehydes as depicted below.
→$Image$
$1.$ Which one of the following reagents is used in the above reaction?
$(A)$ aq. $\mathrm{NaOH}+\mathrm{CH}_3 \mathrm{Cl}$
$(B)$ aq. $\mathrm{NaOH}+\mathrm{CH}_2 \mathrm{Cl}_2$
$(C)$ aq. $\mathrm{NaOH}+\mathrm{CHCl}_3$
$(D)$ aq. $\mathrm{NaOH}+\mathrm{CCl}_4$
$2.$ The electrophile in this reaction is
$(A)$ : $\mathrm{CHCl}$ $(B)$ ${ }^{+} \mathrm{CHCl}_2$
$(C)$ $\mathrm{CCl}_2$ $(D)$. $\mathrm{CCl}_3$
$3.$ The structure of the intermediate $I$ is
$Image$
Give the answer question $1, 2$ and $3.$
$SbF_5$ reacts with $XeF_4$ to form an adduct. The shapes of cation and anion in the adduct are respectively:
→From the given sets of quantum numbers the one that is inconsistent with the theory is
Lassaigne's test is used for detection of :
A certain current liberated $ 0.504\,gm$ of hydrogen in $ 2$ hours. How many grams of copper can be liberated by the same current flowing for the same time in a copper sulphate solution ............ $\mathrm{gm}$
→A fixed amount of glucose is dissolved in $100\ gm$ water to form a solution that freezes at $-0.2\,^oC$ . The solution is cooled down to $-0.25\,^oC$ . ......... $gm$ of ice would have separated.
→During dischargning of lead storage cell concentration $H_2SO_4$ reduces from $40\%\ w/w$ to $30\% \ w/w$ . Find the total charged produced. Given volume of solution $4.9\ litre$ and density $= 1.2\ gm/ml$ ............ $\mathrm{faraday}$ [Assuming volume and density remain constant]
→