The P Block Elements Ques 26
26. Which of the following metal evolves hydrogen on reacting with cold dilute $HNO_3$ ?
[1989]
(a) $Mg$
(b) $Al$
(c) $Fe$
(d) $Cu$.
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Solution:
- (a) Magnesium and manganese are the metals that produce hydrogen with dilute nitric acid
$ Mg+2 HNO_3 \longrightarrow Mg(NO_3)_2+H_2 $
BETA
