MCQ
How can you synthesise nitric oxide in the laboratory?
- AZinc with cold and dilute $HNO_3$
- B$Zn$ with conc. $HNO_3$
- ✓Copper with cold and dilute $HNO_3$
- DHeating $NH_4NO_3$
✓
Answer
Correct option: C.
Copper with cold and dilute $HNO_3$
c
Copper reacts with cold and dilute nitric acid to produce copper nitrate, water and nitric oxide.
Copper reacts with cold and dilute nitric acid to produce copper nitrate, water and nitric oxide.
$Cu +\text { cold } HNO _3 \rightarrow 3 Cu \left( NO _3\right)_2+4 H _2 O +2 NO$
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
Assertion : For the Daniel cell, $Zn|Zn^{2+} ||Cu^{2+}|Cu$ with, $E_{cell} = 1.1\,V$, the application of opposite potential greater than $1.1\,V$ results into flow of electron from cathode to anode.
→Reason : $Zn$ is deposited at anode, and $Cu$ is deposited at cathode.
Compound $'B'$ is ?
→The correct $IUPAC$ name of the given complex is :
→Which one of the following can form micelle?
How can an electrochemical cell be converted into an electrolytic cell?
Aniline reacts with mixed acid (conc. $HNO _3$ and conc. $H _2 SO _4$ ) at $288 K$ to give $P (51 \%)$,
→$Q (47 \%)$ and $R (2 \%)$. The major product(s) of the following reaction sequence is (are)
$\begin{array}{l}\begin{array}{ll}\text { 1) } Ac _2 O \text {, pyridine } \quad \text { 1) } Sn / HCl \end{array} \\ R \xrightarrow{2) Br _2, CH _3 CO _2 H } S \quad \xrightarrow{2) Br _2 / H _2 O \text { (excess) }} \text { major product(s) } \\ \text { 3) } H _3 O ^{+} \quad \text {3) } NaNO _2, HCl / 273-278 K \\ \text { 4) } NaNO _2, HCl / 273-278 K \quad \text { 4) } H _3 PO _2 \\ \text { 5) } EtOH , \Delta \\\end{array}$
In which of the following reactions $H_2O_2$ acts as a reducing agent ?
→Identify the false statement :
Which of the following polymer is biodegradable?
Which of the following is most acidic?