Download App

STD 11 - 9. Hydricarbon — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 11 - 9. Hydricarbon4 Marks
MCQ
$\mathop {C{H_3} - }\limits_a \mathop {C{H_2} - }\limits_b \mathop {C{H_2} - }\limits_c \mathop {C{H_2} - }\limits_d F$

Arrange the hydrogens $a, b, c, d$ in decreasing order of their reactivities towards chlorination

  • A
    $a > b > c > d$
  • B
    $b > c > d > a$
  • ✓
    $b > c > a > d$
  • D
    $c > b > a > d$
✓

Answer

Correct option: C.
$b > c > a > d$
c
$(c)$ Selectivity of $Cl \to 3^o > 2^o > 1^o$ hydrogen.
as well as $-I$ of $F$ -atom.

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

JEE STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Choose the correct statements from the following

$A$. All group $16$ elements form oxides of general formula $\mathrm{EO}_2$ and $\mathrm{EO}_3$ where $\mathrm{E}=\mathrm{S}, \mathrm{Se}, \mathrm{Te}$ and Po. Both the types of oxides are acidic in nature.

$B$. $\mathrm{TeO}_2$ is an oxidising agent while $\mathrm{SO}_2$ is reducing in nature.

$C$. The reducing property decreases from $\mathrm{H}_2 \mathrm{~S}$ to $\mathrm{H}_2 \mathrm{Te}$ down the group.

$D$. The ozone molecule contains five lone pairs of electrons.

Choose the correct answer from the options given below:

→
Which of the following statements is not valid for oxoacids of phosphorus ?
→
Three complexes, $[CoCl(NH_3)_5]^{2+}\, (I)$, $[Co(NH_3)_5H_2O]^{3+}\, (II)$ and $[Co(NH_3)_6]^{3+}\, (III)$ Absorb light in the visible region. The correct order of the wavelength of light absorbed by them is
→
What is the $IUPAC$ name of the organic compound formed in the following chemical reaction?

Acetone $\xrightarrow[(ii) \mathrm{H}_{2} \mathrm{O}, \mathrm{H}^{+}]{(i) \,\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{MgBr},\, dry \,Ether}$ Product

→
The  $pH$ of $0.1\,M\,NaOH$ is
→
Resistance of $0.1\,M\,KCl$ solution in a conductance cell is $300\,ohm$ and conductivity is $0.013\,Scm^{-1}$. The value of cell constant is
→
Assertion : Atoms are not electrically neutral.
Reason : Number of protons and electrons are different
→
The reaction (figure) products Identify the product
→
In the cumene to phenol preparation in presence of air, the intermediate is
→
In potassium atom, electronic energy level is in the following order
→