SATHEE: Equilibrium Question 469

Equilibrium Question 469

Question: If $0.4, g m N a O H$ is present in 1 litre solution, then its $p H$ will be [CPMT 1985; BHU 1980]

Options:

A) 2

B) 10

C) 11

D) 12

Show Answer

Answer:

Correct Answer: D

Solution:

$[N a O H] = \frac{0.4}{40} = 0.01 M;, [O H^{-}] = 10^{- 2} M$

$[H^{+}] = 10^{- 12}, p H = - \log [H^{+}] = 12$

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Equilibrium Question 469

Question: If 0.4,gmNaOH is present in 1 litre solution, then its pH will be [CPMT 1985; BHU 1980]

Options:

Answer:

Solution:

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Question: If $0.4, g m N a O H$ is present in 1 litre solution, then its $p H$ will be [CPMT 1985; BHU 1980]