SATHEE: Hydrogen And Its Compounds Question 247

Hydrogen And Its Compounds Question 247

Question: Which of the following metal evolves hydrogen on reaction with cold dilute $ HNO_3 $ -

Options:

A) Mg

B) Al

C) Fe

D) Cu

Show Answer

Answer:

Correct Answer: A

Solution:

[a] $ Mg+2HNO_3(dil.)\to Mg{{(NO_3)}_2}+H_2 $ (Mg and Mn give $ {H_2} $ with dil $ HNO_3 $ )

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Hydrogen And Its Compounds Question 247

Question: Which of the following metal evolves hydrogen on reaction with cold dilute $ HNO_3 $ -

Options:

Answer:

Solution:

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