Download App

STD 11 - 5. Thermodynamics and thermochemistry — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 11 - 5. Thermodynamics and thermochemistry4 Marks
MCQ
Assertion : Absolute values of internal energy of substances cannot be determined.
Reason : It is impossible to determine exact values of constituent energies of the substances.
  • ✓
    If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
  • B
    If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
  • C
    If the Assertion is correct but Reason is incorrect.
  • D
    If both the Assertion and Reason are incorrect.
✓

Answer

Correct option: A.
If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
a
Absolute values of internal energy of substance can not be determined because it is impossible to determine exact values of constituent energies of the substances.

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

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

Similar questions

Acetylene molecules contain
→
The amine that reacts will Hinsberg's reagent to give an alkali insoluble product is
→
The hybridizations of atomic orbitals of nitrogen in $NO_2^+, NO_3^-$ and $NH_4^+$ respectively are
→
A compound contains $C = 90\% $ and $H = 10\% $. Empirical formula of the compound is
→
$IUPAC$ name of is
→
$DDT$  is
→
Arrange the following alkenes in increasing order of their enthalpy of hydrogenation $(-\Delta H)$
→
Copper from copper sulphate solution can be displaced by .............. The standard reduction potentials of some electrodes are given below

$E^o (Fe^{+2}, Fe) = -0.44$ $ V$

$E^o (Zn^{+2}, Zn) = -0.76$ $ V$

$E^o (Cu^{+2}, Cu) = +0.34$ $V$

$E^o (Cr^{+2}, Cr) = -0.74$  $V$

$E^o (H^+, 1/2H_2) = -0.00$ $V$

→
Which of the following would increase the solubility of $Pb(OH)_2$
→
Which of the following relation is correct with respect to first $(I)$ and second $(II)$ ionization potentials of sodium and magnesium
→