MCQ
The entropy of a perfectly crystalline solid at absolute zero is
  • A
    Positive
  • B
    Negative
  • Zero
  • D
    Not definite

Answer

Correct option: C.
Zero
(c)According to $III$ law of thermodynamics.

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

Similar questions

The number of $sp^2$ hybridised carbons present in "Aspartame" is
The frequency of a certain line of lyman series of atomic spectrum of $H$ atom satisfy the following condition 
$(i)$ It is the sum of frequency of another lyman line and balmer line.
$(ii)$ It is the sum of frequency of a certain line, lyman line and a paschen line
$(iii)$ It is the sum of frequency of a lyman and a paschen line but no bracket line
To what transition does this frequency correspond?
Which will undergo a Friedel-Craft's alkylation reaction
For dry cleaning of clothes instead of tetrachloroethane which is carcinogen in nature, which of the following solvents can be used?
In amines, the hybridisation state of $N$ is
In the following reaction:

$[Image]$

The compounds $A$ and $B$ respectively are ......

The increasing order of the crystal field splitting power of some common ligands is
One mole of $S{O_3}$ was placed in a litre reaction vessel at a certain temperature. The following equilibrium was established $2S{O_3}$ $ \rightleftharpoons $ $2S{O_2} + {O_2}$ At equilibrium $0.6$ moles of $S{O_2}$ were formed. The equilibrium constant of the reaction will be
The product of mustard oil reaction is
Given below are two statements:

Statement $(I)$: A solution of $\left[\mathrm{Ni}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}$ is green in colour.

Statement $(II)$: A solution of $\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}$ is colourless.

In the light of the above statements, choose the most appropriate answer from the options given below: