Question
  1. Draw the structure of $XeF_2$ molecule.
  2. Write the outer electronic configuration of $Cr$ atom $(Z=24).$

Answer

  1. ​​​​​
  1. $3d^54s^1.$

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

Why is zinc not extracted from zinc oxide through reduction using $CO?$
Write the reagents used in the following reactions:
  1. $\text{C}_{6}\text{H}_{5}-\text{CO}-\text{CH}_{3}\xrightarrow{\text{ }\ \ \ \ \ \ {?}\ \\ \ \ \ \ \ }\text{C}_{6}\text{H}_{5}-\text{CH}_{2}-\text{CH}_{3}$
  2. $\text{CH}_{3}-\text{COOH}\xrightarrow{\text{ }\ \ \ \ \ \ {?}\ \\ \ \ \ \ \ }\text{CH}_{3}-\text{COCl}$
Sucrose decomposes in acid solution into glucose and fructose according to the first order rate law, with $t_{1/2} = 3.00$ hours. What fraction of sample of sucrose remains after $8$ hours?
Define the term ‘osmotic pressure’. Describe how the molecular mass of a substance can be determined on the basis of osmotic pressure measurement.
State the role of silica in the metallurgy of copper.
Answer the following question:
Give reasons for the following:
  1. At higher altitudes, people suffer from a disease called anoxia. In this disease, they become weak and cannot think clearly.
  2. When mercuric iodide is added to an aqueous solution of KI, the freezing point is raised.
Write steps to carry out the conversion of phenol to aspirin.
Note: In the following questions a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices.
Assertion: Coagulation power of $Al^{3+}$ is more than $Na^+.$
Reason: Greater the valency of the flocculating ion added, greater is its power to cause precipitation $($Hardy Schulze rule$).$
How are alcohol compounds prepared by reduction of carboxylic acids and esters? Explain.
The presence of Carbonyl group in glucose is confirmed by its reaction with hydroxylamine. Identify the type of carbonyl group present and its position. Give a chemical reaction in support of your answer.