MCQ
Which element is not present in Nessler's reagent?
- AMercury
- BPotassium
- CIodine
- ✓Oxygen
✓
Answer
Correct option: D.
Oxygen
d
(Nessler's Reagent $\rightarrow K _2\left[ HgI _4\right]$
(Nessler's Reagent $\rightarrow K _2\left[ HgI _4\right]$
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
Find number of electrons present in $34\,g$ of $NH_3(g)$. .....................$N_A$
→$IUPAC$ name of following compound is
→The maximum number of electrons in an atom with $l = 2$ and $n = 3$ is
→The number of $sp^2 - sp^2$ sigma bonds in the compound given below is
→The relatively high boiling point of $HF$ is due to
→When an electron do transition from n = 4 to n = 2, the emitted line of spectrum will be:
Accurate determination of atomic masses is done with the instrument called as
Given below are two statements, one is labelled as Assertion $A$ and the other is labelled as Reason $R$.
→Assertion $A$ : Benzene is more stable than hypothetical cyclohexatriene.
Reason $R$ : The delocalized $\pi$ electron cloud is attracted more strongly by nuclei of carbon atoms. In the light of the above statements, choose the correct answer from the options given below:
Product $(A)$ in this reaction is
→The shape of a molecule of $N{H_3}$, in which central atoms contains lone pair of electron, is
→