Download App

Chemical Bonding and Molecular Structure — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryChemical Bonding and Molecular Structure5 Marks
Question
Draw the Lewis structures for the following molecules and ions: $\text{H}_2\text{S},\ \text{SiCl}_4,\ \text{BeF}_2,\ \text{CO}^{2-}_3,\ \ \text{HCOOH}$
✓

Answer

Get the step-by-step solution for this question inside the Vidyadip app.

Get the answer in the app

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

Explore more

More "5 Marks Questions" from Chemical Bonding and Molecular Structure→Chemical Bonding and Molecular Structure — all question types→Chemistry STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Give a brief description of the principles of the following techniques taking an example in each case.
Crystallisation
→
Write down the products of ozonolysis of 1,2-dimethylbenzene (o-xylene). How does the result support Kekulé structure for benzene?
→
Have you ever observed any water pollution in your area? What measures would you suggest to control it?
→
Prove that product of $K _{ a }$ of acid and $K _{ b }$ of base is equal to $K_w$.
→
Define the law of multiple proportions. Explain it with two examples. How does this law point to the existance of atoms?
→
Define following.
(i) Molarity
(ii) Molality
(iii) Normality
(iv) Formality
→
Calculate the oxidation number of sulphur, chromium and nitrogen in $H_2SO_5$, $\text{Cr}_2\text{O}^{2-}_7$ and $\text{NO}^{-}_3.$ Suggest structure of these compounds. Count for the fallacy.
→
Ozone is a toxic gas and is a strong oxidising agent even then its presence in the stratosphere is very important. Explain what would happen if ozone from this region is completely removed?
→
  1. Balance and complete the following reactions:
  1. $\text{Fe(s)}+\text{H}_2\text{O}\xrightarrow{\ \ \ \ \ \ \ \ }$
  2. $\text{Zn(s)}+\text{NaOH}(\text{aq})\xrightarrow{\ \ \ \ \ \ \ \ \ \ }$
  3. $\text{Mg(s)}+\text{HNO}_3(\text{aq})\xrightarrow{\ \ \ \ \ \ \ \ \ }$
(b) Write chemical equations for the following:
(1) $H_2O_2$, as an oxidising agent in acidic medium.
(ii) $H_2O_2$ as an reducing agent in basic medium.
(iii) $H_2O_2$ as an reducing agent in basic medium.
(iv) $H_2O_2$ as an reducing agent in acidic medium.
→
Represent the potential energy/enthalpy change in the following processes graphically.
  1. Throwing a stone from the ground to roof.
  2. $\frac{1}{2}\text{H}_2(\text{g})+\frac{1}{2}\text{Cl}_2(\text{g})\rightleftharpoons\text{HCl}(\text{g})$ $\Delta_\text{r}\text{H}^\ominus=-92.32\text{kJ}\ \text{mol}^{-1}$​​​​​​
In which of the processes potential energy/enthalpy change is contributing factor to the spontaneity?
→