SATHEE: The P Block Elements - Result Question 32

The P Block Elements - Result Question 32

####32. Which of the following metal evolves hydrogen on reacting with cold dilute $H N O_{3}$ ?

[1989]

(a) $M g$

(b) $A l$

(d) $C u$ .

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Solution:

(a) Magnesium and manganese are the metals that produce hydrogen with dilute nitric acid

$M g + 2 H N O_{3} ⟶ M g (N O_{3})_{2} + H_{2}$

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The P Block Elements - Result Question 32

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