Question
Write formula for the following compound:
Chromium(III) oxide.

Answer

Chromium(III) oxide:
$\mathrm{Cr}_2 \mathrm{O}_3$

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

Similar questions

In any reversible reaction what is the effect of pressure on it?
  1. Which out of $TICl_3$, GaCl, InCl, TICl undergo disproportionation reaction and why?
  2. Why is boric acid used in carom boards for smooth gliding of pawns.
How would you convert the following compound into benzene? Hexane.
Depict the galvanic cell in which the reaction $\mathrm{Zn}(\mathrm{s})+2 \mathrm{Ag}^{+}(\mathrm{aq}) \rightarrow \mathrm{Zn}^{2+}(\mathrm{aq})+2 \mathrm{Ag}(\mathrm{s})$ takes place, Further show:Individual reaction at each electrode.
The hydroxides and carbonates of sodium and potassium are easily soluble in water while the corresponding salts of magnesium and calcium are sparingly soluble in water. Explain.
Calculate the total number of angular nodes and radial nodes present in 3p orbital.
Assuming complete dissociation, calculate the pH of the following solutions:0.002 M HBr
Nucleophiles and electrophiles are reaction intermediates having electron rich and electron deficient centres respectively. Hence, they tend to attack electron deficient and electron rich centres respectively. Classify the following species as electrophiles and nucleophiles.
  1. $\text{H}_3\text{CO}^-$
  2. $\ \ \ \ \ \ \ \ \ \ \ \ \ \text{O}\\\ \ \ \ \ \ \ \ \ \ \ \ \ ||\\\text{H}_3\text{C}-\text{C}-\text{O}^-$
  3. $\ \dot{}\\\text{Cl}$
  4. $\text{Cl}_2\text{C}:$
  5. $(\text{H}_3\text{C})_3\text{C}^+$
  6. $\text{Br}^-$
  7. $\text{H}_3\text{COH}$
  8. $\text{R}-\text{NH}-\text{R}$
Calculate the standard enthalpy of formation of $\mathrm{C}_2 \mathrm{H}_4(\mathrm{~g})$ from the following thermochemical equation.
$\mathrm{C}_4 \mathrm{H}_8(\mathrm{~g})+6 \mathrm{O}_2(\mathrm{~g}) \rightarrow 4 \mathrm{CO}_2+4 \mathrm{H}_2 \mathrm{O}$
Given that $\Delta_{\mathrm{f}} \mathrm{H}^{\ominus}$ of $\mathrm{CO}_2(\mathrm{~g}), \mathrm{H}_2 \mathrm{O}(\mathrm{g})$ as -393.5 and $-249 \mathrm{~kJ} \mathrm{~mol}^{-1}$ respectively.
What is the mass percent of carbon in carbon dioxide?