Some Basic Concepts Of Chemistry Question 226

Question: How many g of a dibasic acid (Mol. wt. = 200) should be present in 100 ml of its aqueous solution to give decinormal strength [AIIMS 1992]

Options:

A) 1 g

B) 2 g

C) 10 g

D) 20 g

Show Answer

Answer:

Correct Answer: A

Solution:

For Dibasic acid $ E=\frac{M}{2}=\frac{200}{2}=100 $

$ N=\frac{W\times 1000}{E\times V(\text{in }ml)} $

$ \frac{1}{10}=\frac{W\times 1000}{100\times 100}=W=1gm $ .



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