You visited us 1 times! Enjoying our articles? Unlock Full Access!

Depression in Freezing Point

Ethylene glyc...

Question

Ethylene glycol is used as an antifreeze in a cold climate. Mass of ethylene glycol which should be added to $4$ kg of water to prevent it from freezing at $- 6^{o} C$ will be :

( $K_{f}$ for water = $1.86$ K kg/mol and molar mass of ethylene glycol = $62$ g mol $^{- 1}$ )

304.6

No worries! We‘ve got your back. Try BYJU‘S free classes today!

800

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

204.3

No worries! We‘ve got your back. Try BYJU‘S free classes today!

400.00

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B $800$ g
$△ T = K_{f} \times \frac{w_{B} \times 1000}{m_{B} \times w_{A}}$

$6 = 1.86 \times \frac{w_{B} \times 1000}{62 \times 4000}$

$w_{B} = 800 g$

Suggest Corrections

Similar questions

- 6^{o} C

K_{f}

1.85 K m^{- 1}

- 6^{o} C . K_{f}

1.85 K m o l^{- 1} k g

- 6^{o} C (K_{f}

m o l^{- 1}

= 62.0

m o l^{- 1}

5.50

0^{o}

10^{o}

K_{f}

= 1.86

m o l^{- 1}

50 c m^{3}

50 g

{- 34}^{\circ} C

(K_{f} f o r H_{2} O = 1.86 K k g m o l^{- 1}

Molar mass of Ethylene glycol = 62 g m o l^{- 1}

Join BYJU'S Learning Program