Question

Specific latent heat of ice is

• A. $336J{g}^{-1}$
• B. $3,36,000Jk{g}^{-1}$
• C. $80cal{g}^{-1}$
• D. All of the above

Answer 1

The correct option is D

All of the above

1. The amount of energy required for changing the state of a substance without changing its temperature is called the specific latent heat of the substance.
2. We know that the specific latent heat of ice is $336J{g}^{-1}$
3. If we convert gram to kilogram, we get:
   specific latent heat of ice $=\frac{336}{{10}^{-3}}=3,36,000Jk{g}^{-1}$
4. If we convert joule to calories, we get:
   specific latent heat of ice = $=\frac{336}{4.184}\approx 80cal{g}^{-1}$
5. Hence, option (D) is the correct answer.