Question
Discuss the shape of the following molecules using the VSEPR model:
H2S
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Write the shape of d-orbital.
How many cm are there in 1 pm?
Explain, giving reasons, which of the following sets of quantum numbers are not possible.
$\text{n}=2, \text{l}=1,\text{m}_{\text{l}}=0,\text{m}_{\text{s}}=-\frac{1}{2}$
→$\text{n}=2, \text{l}=1,\text{m}_{\text{l}}=0,\text{m}_{\text{s}}=-\frac{1}{2}$
Write formula for the following compound:
Chromium(III) oxide.
Give the direction of flow of current in following electrochemical cell :
$Zn\left|Zn^{2+} \| Ag^{+}\right| Ag$
→$Zn\left|Zn^{2+} \| Ag^{+}\right| Ag$
Describe the effect of:
removal of CO
on the equilibrium of the reaction:
$2\text{H}_2\text{ (g) + CO (g)}\rightleftharpoons\text{CH}_3\text{OH (g)}$
→removal of CO
on the equilibrium of the reaction:
$2\text{H}_2\text{ (g) + CO (g)}\rightleftharpoons\text{CH}_3\text{OH (g)}$
In the modern periodic table, the period indicates the value of :
- Atomic number.
- Atomic mass.
- Principal quantum number.
- Azimuthal quantum number.
Is it safe to stir IM AgNO3 solution with copper spoon?
$\text{E}^\circ_\frac{\text{Ag}^+}{\text{Ag}}=+0.80\text{V}$
$\text{E}^\circ_\frac{\text{Cu}^{2+}}{\text{Cu}}=+0.34\text{V}$
→$\text{E}^\circ_\frac{\text{Ag}^+}{\text{Ag}}=+0.80\text{V}$
$\text{E}^\circ_\frac{\text{Cu}^{2+}}{\text{Cu}}=+0.34\text{V}$
Write formula for the following compound:
Nickel(II) sulphate.
Which one of the following will have the largest number of atoms?
1g of Cl2(g)
1g of Cl2(g)