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The equivalent weight of Cr(OH)3 in the...

The equivalent weight of `Cr(OH)_3` in the following reaction is
`3H^(+) + Cr (OH)_3 to Cr^(3+) + 3H_2O`

A

34.3

B

103

C

51.5

D

43.5

Text Solution

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The correct Answer is:
A
34.3
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The equivalent weight of H_(2)SO_(4) in the following reaction is Na_(2)Cr_(2)O_(7)+3SO_(2)+H_(2)SO_(4)rarr3Na_(2)SO_(4)+Cr_(2)(SO_(4))_(3)+H_(2)O

Equivalent weight of K_(2)Cr_(2)O_(7) in the following reaction is Cr_(2)O_(7)^(2-)Fe^(2+) rarr Fe^(3+)Cr^(3+) ( M=molar mass of K_(2)Cr_(2)O_(7) )

The equivalent weight of KIO_(3) in the reaction 2Cr(OH)_(3)+4OH+KIO_(3) rarr 2CrO_(4)^(2-)+5H_(2)O+KI is

The values of n in the following equation is Cr_(2)O_(7)^(2-) + 14H^(+) + nFe^(2+) to 2Cr^(3-) + nFe^(3+) + 7H_(2)O

ARIHANT PUBLICATION JHARKHAND-CONCEPT OF ATOMIC MOLECULAR AND EQUIVALENT MASSES-EXAM BOOSTER FOR CRACKING EXAM
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