Download App

PART - 2 CH - 9 Hydrocarbons — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryPART - 2 CH - 9 Hydrocarbons5 Marks
Question
For electrophilic substitution reaction functional groups present in singly substituted benzene derivatives. Explain the directive effect and also explain their activating and deactivating nature on basis of resonance.
✓

Answer

SELF

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 PART - 2 CH - 9 Hydrocarbons→PART - 2 CH - 9 Hydrocarbons — all question types→Chemistry STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Arrange in properties:
  1. $HF, HCI, HBr, HI$ [Thermal stability]
  2. $LiF, LiCI, LiBr, Lil$ [Ionic character]
  3. $PH_3, PCI_3, PF_3,$ [Covalent character]
  4. $H_2O, NH_3, H_2S, HF$ [Polarity]
  5. $BeCl_2, BCI_3, CCI_4, PCI_3,$ [Bond angle]
→
Discuss the trend of the following:
The solubility and the nature of oxides, of Group 2 elements.
→
Match Column I with Column II.
 
Column I
 
Column II
(i)
Dumas method.
(a)
 $\mathrm{AgNO}_3$
(ii)
Kjeldahl’s method.
(b)
Silica gel.
(iii)
Carius method.
(c)
Nitrogen gas.
(iv)
Chromatography
(d)
Free radicals.
(v)
Homolysis
(e)
Ammonium sulphate.
→
  1. Define solubility product. Write solubility product expression in terms of molar solubility for $FeCl_3$
  2. What is the effect of temperature on solubility of gases in liquids?
  3. Equilibrium constant for the reaction is $4.0$. What will be the equilibrium constant for the reverse reaction.
  4. Calculate the pH of $10^{-8}M$ HCl solution.
→
  1. Arrange the following in decreasing order of stability.
$\text{PH}_3,\text{NH}_3,\text{AlH}_3,\text{SbH}_3,\text{BiH_3}$

$\text{CH}_4,\text{H}_2\text{O},\text{NH}_3,\text{HF}$
  1. Which negative catalyst prevent decomposition of $H_2O^2$?
  2. What happens when.
  1. $H_2O_2$ is added to acidified $K_2Cr_2O_7$?
  2. Benzene reacts with $H_2O_2$ in presence of $FeSO_4$ as catalyst.
Write chemical reactions involved.
→
The first ionization enthalpy values (in $\mathrm{kJ} \mathrm{~mol}^{-1}$) of group 13 elements are:
B Al Ga In Tl
801 577 579 558 589
How would you explain this deviation from the general trend?
→
What is hybridization? Describe sp³, sp² and sp hybridization with examples.
→
Explain mechanical work and how is work expressed in different situations? Explain.
→
Molecular hydrides are classified as electron deficient, electron precise and electron rich compounds. Explain each type with two examples.
→
Balance the following equations in basic medium by ion-electron method and oxidation number methods and identify the oxidising agent and the reducing agent.$N_2H_4(l) + ClO_3^-(aq) \rightarrow NO(g) + Cl^-(g)$
→