Lithium reacts with water to produce hydrogen gas and lithium hydroxide. What volume of hydrogen collected over water at 22° C and 750 mm Hg pressure is produced by the reaction of 0.208 g of Li? $[{VP}_{H_{2} O} = 19.8 mmHg] [Li = 7]$

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.

An Intiative by Sri Chaitanya

360 mL

755 mL

735 mL

378 mL

answer is B.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Detailed Solution

$\begin{array}{l} Li + H_{2} O ⟶ LiOH + \frac{1}{2} H_{2} \\ 0.03 mol \frac{0.03}{2} mol \\ \frac{0.03}{2} = \frac{\frac{(750 - 19.8)}{760} \times V}{0.0821 x 295} \\ ∴ V = 378 mL \end{array}$

Watch 3-min video & get full concept clarity

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Online Course for IIT JEE

Best Online Course for NEET

Best Online Course for CBSE

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Get Expert Academic Guidance – Connect with a Counselor Today!