MCQ
Which of the following always has a negative value?
- AHeat of reaction
- BHeat of solution
- CHeat of formation
- ✓Heat of combustion
✓
Answer
Correct option: D.
Heat of combustion
(d) Heat of combustion
Explanation: Combustion is an exothermic process. Hence heat of combustion has a negative value.
Explanation: Combustion is an exothermic process. Hence heat of combustion has a negative value.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The second electron gain enthalpies (in $kJ\, mol^{-1}$ ) of oxygen and sulphur respectively are
→Which of the following statement is incorrect when a system consisting of ideal gas undergoes change of state
Among the following configurations, the element which has the highest electron affinity is
$12\,g$ of $Mg$ (at. mass $24$) will react completely with acid to give
→Identify the structure of $5-(2, 2-$ dimethyl propyl) nonane
→Find $W_{ABC}$ ....$lt\,atm$
→$Z_{eff}$ of $B$ is $2.6$, then value of zeff of oxygen and fluorine will be :-
→Which of the following molecular orbital has two nodal planes
The total number of lone pairs of electrons in $N _2 O _3$ is
→Heating an aqueous solution of aluminium chloride to dryness will give: