Question

Janani had a lucky copper coin that she
carried with her everywhere. Over the
years, the copper became dull. Janani,
asked her Chemistry teacher as to what
can help clean the metal. Her teacher
suggested acetone. Janani went looking
for the acetone. But without reading the
labels, she put her copper coin in an
aqueous solution of silver nitrate for
quite some time. Which of the following
reactions do you think occurred?
(i) Solution remained colourless
(ii) Solution turned blue
(iii) Silver deposited on the copper coin
(iv) Bubbles of brown gas formed around
copper coin
(i) and (iv)
(ii) and ()
(ii) and (iii)
(ili) and (iv)​

Answer 1

ans:ii)Solution turned blue