Some Basic Concepts Of Chemistry Question 241
Question: A solution containing and NaOH requires 300 ml of 0.1 N HCl using phenolpthalein as an indicator. Methyl orange is then added to the above titrated solution when a further 25 ml of 0.2 N HCl is required. The amount of NaOH present in solution is [CPMT 1992]
Options:
A) 0.6 g
B) 1.0 g
C) 1.5 g
D) 2.0 g
Show Answer
Answer:
Correct Answer: B
Solution:
(I) Phenopthalein indicate partial neutralisation of
Meq. of
(Suppose