When copper is heated with conc. HNO_3 it produces - Vidyadip

MCQ

When copper is heated with conc. $HNO_3$ it produces

A
$Cu(NO_3)_2, NO$ and $NO_2$
B
$Cu(NO_3)_2$ and $N_2O$
✓
$Cu(NO_3)_2$ and $NO_2$
D
$Cu(NO_3)_2$ and $NO$

✓

Answer

Correct option: C.

$Cu(NO_3)_2$ and $NO_2$

c
When copper react with conc. $HNO_3$ reddish brown gas $NO$, evolved

$\mathrm{Cu}+4 \mathrm{HNO}_{3} \longrightarrow \mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2}+2 \mathrm{H}_{2} \mathrm{O}+2 \mathrm{NO}_{2}$

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

Explore more

NEET STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Which of the following compound gives $N_2$ gas on thermal decomposition?

$A$ and $B$ decompose via first order kinetics with half-lives $54.0\, min$ and $18.0\, min$ respectively. Starting from an equimolar non reactive mixture of $A$ and $B$, the time taken for the concentration of $A$ to become $16$ times that of $B$ is ...... $min.$ (Round off to the Nearest Integer).

Number of atoms present in $224\, dm^3$ of oxygen gas at $STP$ is

Assertion : Element has a tendency to lose the electron $(s)$ to attain the stable configuration.
Reason : Ionization enthalpy is the energy released to remove an electron from an isolated gaseous atom in its ground state.

Which of the following is arranged in decreasing order of size?

Which equilibrium can be described as an acid-base reaction using the Lewis acid-base definition but not using the Bronsted-Lowry definition

Solid Lead nitrate is dissolved in $1\,litre$ of water. The solution was found to boil at $100.15^{\circ}\,C$. When $0.2\,mol$ of $NaCl$ is added to the resulting solution, it was observed that the solution froze at $-0.8^{\circ}\,C$. The solutbility product of $PbCl _2$ formed is $...........\times 10^{-6}$ at $298\,K$. (Nearest integer) Given : $K _{ b }=0.5\,K\,kg\,mol ^{-1}$ and $K _{ f }=1.8\,kg\,mol ^{-1}$. Assume molality to be equal to molarity in all cases.

Which of the following order of molecular force of attraction among given species is incorrect?

As one moves along a given row in the periodic table, ionization energy

The $ IUPAC$ name of $C{H_3} - C{H_2} - \mathop {\mathop {C = }\limits_{|\,\,\,\,\,\,} }\limits_{C{H_3}} C{H_2}$ is