MCQ
The charge in coulombs on $\ce{N^{3-}}$ ion is :
- ✓$\ce{4.80 \times 10^{-19}C}$
- B$\ce{1.60 \times 10^{-19}C}$
- C$\ce{−3C}$
- D$\ce{1.8 \times 10^{-24}C}$
✓
Answer
Correct option: A.
$\ce{4.80 \times 10^{-19}C}$
Charge on one electron $= \ce{1.6 \times 10^{-19}C}$
$\ce{N^{3-}}$ has $−3$ charge on it.
Charge on three electron $= \ce{3 \times 1.6 \times 10^{-19}C = 4.8 \times 10^{-19}C}$
$\ce{N^{3-}}$ has $−3$ charge on it.
Charge on three electron $= \ce{3 \times 1.6 \times 10^{-19}C = 4.8 \times 10^{-19}C}$
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
$(Me)_2\, SiCl_2$ on condensation after hydrolysis will produce
→$40\, ml\, of\, 0.1\, M$ ammonia solution is mixed with $20\, ml$ of $0.1\, M\, HCl$. What is the $pH$ of the mixture? ($pK_b$ of ammonia solution is $4.74$).
→Which of the following molecule has intramolecular $H$ -bonding ?
→What is the name for the number of protons in an atom?
Match List$-I$ with List$-II.$
→| List$-I$ | List$-II$ |
| $(a)$ $Ne _{2}$ | $(i)$ $1$ |
| $(b)$ $N _{2}$ | $(ii)$ $2$ |
| $(c)$ $F _{2}$ | $(iii)$ $0$ |
| $(d)$ $O _{2}$ | $(iv)$ $3$ |
Choose the correct answer from the options given below:
When $KOH$ is dissolved in water, heat is evolved. If the temperature is raised, the solubility of $KOH$
→The enthalpy change for the reaction, $C_2H_6(g) \to 2C(g) + 6H(g)$ is $X\, kJ$. The bond energy of $C-H$ bond is :-
→The activity of alkaline earth metals as reducing agent :
Choose the statement that besi: describes given compounds
The $IUPAC$ name of $\begin{matrix}
\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{{H}_{3}}\, \\
\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,| \\
C{{H}_{3}}-C{{H}_{2}}-CH-CH-C-C{{H}_{3}} \\
\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,|\, \\
\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,Cl\,\,\,\,\,\,\,\,C{{H}_{3}}\,\,\,OH \\
\end{matrix}$ is
→\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{{H}_{3}}\, \\
\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,| \\
C{{H}_{3}}-C{{H}_{2}}-CH-CH-C-C{{H}_{3}} \\
\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,|\, \\
\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,Cl\,\,\,\,\,\,\,\,C{{H}_{3}}\,\,\,OH \\
\end{matrix}$ is