Download App

5. Thermodynamics and thermochemistry — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistry5. Thermodynamics and thermochemistry1 Mark
MCQ
Enthalpy change for a reaction does not depend upon
  • A
    The physical states of reactants and products
  • B
    Use of different reactants for the same product
  • ✓
    The nature of intermediate reaction steps
  • D
    The differences in initial or final temperatures of involved substances
✓

Answer

Correct option: C.
The nature of intermediate reaction steps
(c)According to Hess low, enthalpy change for a reaction does not depend on the nature of inter mediate reaction steps.

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 5. Thermodynamics and thermochemistry→5. Thermodynamics and thermochemistry — all question types→Chemistry STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

Consider the following statements:

$(A)$ $NF _3$ molecule has a trigonal planar structure.

$(B)$ Bond length of $N _2$ is shorter than $O _2$.

$(C)$ Isoelectronic molecules or ions have identical bond order.

$(D)$ Dipole moment of $H _2 S$ is higher than that of water molecule.

Choose the correct answer from the option below:

→
The $pH$ of an acidic buffer mixture is
→
An organic compound having molecular mass $60$ is found to contain $C = 20\%$, $H= 6.67\%$ and $N=46.67\%$ while rest is oxygen. On heating it gives $N{H_3}$ along with a solid residue. The solid residue give violet colour with alkaline copper sulphate solution. the compound is
→
A physician wishes to prepare a buffer solution at $pH = 3.58$ that efficiently resists changes in $pH$ yet contains only small concentration of the buffering agents. Which of the following weak acids together with its sodium salt would be best to use
→
The process in which higher hydrocarbons are broken down into lower hydrocarbons by controlled pyrolysis, is called
→
The stereochemistry of this molecule is
→
$\Delta {G^o}(HI,\,g) \cong + 1.7\,kJ$. What is the equilibrium constant at ${25\,^o}C$ for $2HI_{(g)} \leftrightharpoons {H_2}_{(g)} + {I_2}_{(g)}$
→
$HgCl_2$ is a covalent compound, sparingly soluble in water, the solubility increases by the addition of chloride ions due to
→
${C_6}{H_5} - C{H_3}\xrightarrow{{KMn{O_4}}}A\xrightarrow[\Delta ]{{NaOH + CaO}}B,$ product $B$ is
→
Arrange the above in the decreasing order of reactivity towards HBr:

→