Download App

Hydrogen — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryHydrogen2 Marks
Question
Complete the reactions:
  1. $ \text{H}_2+\text{CO}+\text{R}-\text{CH}=\text{CH}_2\xrightarrow{\ \ \ \ \ }$
  2. $\text{H}_2+\text{RCH}_2\text{CH}_2\text{CHO}\xrightarrow{\ \ \ \ \ }$
✓

Answer

  1. $\text{H}_2+\text{CO}+\text{R}-\text{CH}=\text{CH}_2\\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{O}\\\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \| \\ \xrightarrow{\ \ \ \ \ }\text{R}-\text{CH}_2-\text{CH}_2-\text{C}-\text{H}$
  2. $\text{H}_2+\text{RCH}_2\text{CH}_2\text{CHO}\xrightarrow{\ \ \ \ \ \ \ }\text{RCH}_2\text{CH}_2\text{CH}_2\text{OH}$

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 "2 Marks Questions" from Hydrogen→Hydrogen — all question types→Chemistry STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Explain why temperature of a boiling liquid remains constant?
→
In Milikan's experiment, static electric charge on the oil drops has been obtained by shining X-rays. If the static electric charge on the oil drop is $-1.282 \times 10^{-18} \mathrm{C}$, calculate the number of electrons present on it.
→
Heat has randomising influence on a system and temperature is the measure of average chaotic motion of particles in the system. Write the mathematical relation which relates these three parameters.
→
Explain giving reason, which of the following sets of quantum numbers are not possible:
  1. $\text{n}=1,\text{l}=1\text{m}_\text{l}=0\text{m}_\text{s}=+\frac{1}{2}$
  2. $\text{n}=0,\text{l}=2,\text{m}_\text{l}=-2,\text{m}_\text{s}=-\frac{1}{2}$
→
How are 0.05m KOH and 0.05M different from each other?
→
Image
→
Why on alkenes, the electrophilic reagent attack takes place early.
→
Give the name and atomic number of the inert gas tom in which total number of d-electrons is equal to difference in number of total 'p' and s-electrons.
→
  1. Elemental silicon does not form graphite like structure as carbon does. Give reason.
  2. Arrange hyrides of group 14 elements in increasing order of reducing power.
→
In a reaction
$\mathrm{A}+\mathrm{B}_2 \rightarrow \mathrm{AB}_2$
Identify the limiting reagent, if any, in the following reaction mixtures.
100 atoms of A + 100 molecules of B.
→