MCQ
The valency of cuprammonium ion is
- A$+4$
- ✓$+2$
- C$-2$
- D$-4$
✓
Answer
Correct option: B.
$+2$
b
(b) ${[Cu{(N{H_3})_4}]^{2 + }}$ so, copper has $+ 2 $ valency.
(b) ${[Cu{(N{H_3})_4}]^{2 + }}$ so, copper has $+ 2 $ valency.
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
Identify the position where electrophilic aromatic substitution $(EAS)$ is most favourable.
→The electronegativity of the following elements increases in the order
When a $60\,W$ electric heater is immersed in a gas for $100\,s$ in a constant volume container with adiabatic walls, the temperature of the gas rises by $5^{\circ}\,C$. The heat capacity of the given gas is $.........\,JK ^{-1}$ (Nearest integer)
→Oxidation number of $Cl$ in $CaOCl_2$ (bleaching powder is)
→$\alpha$ - helix is found in
→Two students were given the task to prepare an adduct $NH_3 \to BH_3$ at low temperature :-
→Student $I$ :- She mixed $B_2H_6$ and $NH_3$
Student $II$ :- He mixed $B_2H_6$ with $THF$ followed by addition of $NH_3$
Which student is expected to get the $CORRECT$ final product ?
The species present in solution when $\mathrm{CO}_2$ is dissolved in water are
→From each of the following pairs select the compound that will react faster with sodium iodide in acetone :
→Pair $-\,A:$ $(1) \,2 - $ Chloropropane $(2) \,2-$ Bromopropane
Pair $-\,B:$ $(3) \,1 -$ Bromobutane $(4)\, 2-$ Bromobutane
Which overlap results in the formation of strongest bond
The $IUPAC$ name of $\begin{array}{*{20}{c}}
{CH - C - O - C{H_2} - C - OH} \\
{||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||} \\
{O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O}
\end{array}$ is :
→{CH - C - O - C{H_2} - C - OH} \\
{||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||} \\
{O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O}
\end{array}$ is :