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Q.

Which of the following statements is/are correct?

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a

Atomic hydrogen is obtained by passing hydrogen gas through an electric are

b

30% (w/v) or 100 V H~O~100 V H2O2 solution is called perhydrol

c

Finely divided palladium adsorbs large volume of hydrogen gas

 

d

Ortho and para hydrogen have same physical properties

answer is A.

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Detailed Solution

Atomic hydrogen is formed by exposing hydrogen to an electric field.
Because of their differing positions in the structure and electron distribution, ortho and para-hydrogen have different physical properties such as boiling temperatures, specific heats, and thermal conductivities but the same chemical properties.
Hence, options A, B and C are correct

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