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Question

Match each entry in Column - I with only one entry from Column - II
for the given properties/applications mentioned therein:

ColumnI ColumnII(a)H(p)Used in the name of perhydrol(b)H2(q)Can be reduced to dihydrogen by NaH(c)H2O(r)Can be used in hydroformylation of olefin(d)H2O2(s)Can be used in cutting and welding

A
(a) (s); (b) (r); (c) (q); (d) (p)
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B
(a) (p); (b) (r); (c) (q); (d) (s)
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C
(a) (s); (b) (q); (c) (r); (d) (p)
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D
(a) (r); (b) (s); (c) (q); (d) (p)
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Solution

The correct option is A (a) (s); (b) (r); (c) (q); (d) (p)
Atomic hydrogen is used in cutting and welding.
In combination with a catalyst and CO, H2 is used in hydroformylation
of alkenes. This could be thought of as the addition of a hydrogen and a formyl
group across the double bond.

Water reacts violently with NaH:
H2O+NaHH2(g)+NaOH

Water is reduced to dihydrogen in the above.
Perhydrol is a solution of hydrogen peroxide H2O2 at a concentration
of 30% of weight by volume(w/v) or 100 volume strength.

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