Download App

9. Hydricarbon — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistry9. Hydricarbon1 Mark
MCQ
Which is incorrect statement about heats of combustion ?
  • A

  • B

  • ✓
    $Iso-butene > trans-2-butene > 1-butene$
  • D
    $n-Hexane < n-Heptane < n-Octane$
✓

Answer

Correct option: C.
$Iso-butene > trans-2-butene > 1-butene$
c
$(c)$ Iso-butene is most stable isomer of butene.
$\therefore$ It have least heat of combustion.

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 "M.C.Q (1 Marks)" from 9. Hydricarbon→9. Hydricarbon — all question types→Chemistry STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

If the concentration of glucose (C6H12O6) in blood is 0.9g L–1, what will be the molarity of glucose in blood?
→
The boiling point of a substance increases with increase in:
→
The uncertainty principle and the concept of wave nature of matter was proposed by ...... and ...... respectively
→
Polarization of electrons in acrolein may be written as
→
Electrophiles are
→
A certain atomic transition from an excited state to the ground state of the hydrogen atom in one or more steps give rise to four line in the ultraviolet region of the spectrum. How many lines does this transition produce in the infrared region of the spectrum
→
In $B_2H_6$
→
At $600\,K , 2\,mol$ of $NO$ are mixed with $1 mol$ of $O _{2}$.

$2 NO _{( g )}+ O _{2}( g ) \rightleftarrows 2 NO _{2}( g )$

The reaction occurring as above comes to equilibrium under a total pressure of 1 atom. Analysis of the system shows that $0.6 mol$ of oxygen are present at equilibrium. The equilibrium constant for the reaction is $.........$(Nearest integer).

→
Which of the following is a free radical substitution reaction?
→
Which of the following is redox reaction
→