NCERT Class XI Chemistry Hydrogen Solutions
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Question : 20
Total: 36
Complete the following chemical reactions.
(i)P b S ( s ) + H 2 O 2 ( a q )
(ii)M n O 4 – ( a q ) + H 2 O 2 ( a q )
(iii)C a O ( s ) + H 2 O ( g )
(iv)A l C l 3 ( g ) + H 2 O ( l )
(v)C a 3 N 2 ( s ) + H 2 O ( l )
Classify the above into (a) hydrolysis, (b) redox and (c) hydration reactions.
(i)
(ii)
(iii)
(iv)
(v)
Classify the above into (a) hydrolysis, (b) redox and (c) hydration reactions.
Solution:
(i) P b S ( s ) + H 2 O 2 ( a q ) P b S O 4 ( s ) + 4 H 2 O ( l )
(ii)M n O 4 – ( a q ) + H 2 O 2 ( a q ) 2 M n ( a q ) 2 + + 8 H 2 O ( l ) + 5 O 2 ( g )
(iii)C a O ( s ) + H 2 O ( g ) C a ( O H ) 2 ( a q )
(iv)A l C l 3 ( g ) + H 2 O ( l ) A l ( O H ) 3 ( s ) + 3 H C l ( l )
(v)C a 3 N 2 ( s ) + H 2 O ( l ) 3 C a ( O H ) 2 ( a q ) + 2 N H 3 ( g )
Redox reaction : (i) and (ii)
Hydration reaction : (iii)
Hydrolysis reaction : (iv) and (v)
(ii)
(iii)
(iv)
(v)
Redox reaction : (i) and (ii)
Hydration reaction : (iii)
Hydrolysis reaction : (iv) and (v)
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