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A: In the reaction 2NaOH + H(3)PO(4) ...

A: In the reaction
`2NaOH + H_(3)PO_(4) to Na_(2)HPO_(4) + 2H_(2)O`
equivalent weight of `H_(3)PO_(4)` is `(M)/(2)` where M is its molecular weight.
R: `"Equivalent weight"= ("molecular weight")/("n-factor")`

A

If both Assertion & Reason are true and the reason is the correct explanation of the assertion

B

If both Assertion & Reason are true but the reason is not the correct explanation of the assertion

C

If Assertion is true statement but Reason is false

D

If both Assertion and Reason are false statements

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • Equivalent weight of H_(2)O_(2) is

    A
    17
    B
    34
    C
    68
    D
    18

  • Equivalent weight of N_(2)H_(4) is

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    32
    B
    16
    C
    48
    D
    24

  • Ca(OH)_(2)+H_(3)PO_(4) rarr CaHPO_(4)+2H_(2)O the equivalent weight of H_(3)PO_(4) in the above reaction is

    A
    21
    B
    27
    C
    38
    D
    49

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    Equivalent weight of H_(3) PO_(2) is ( M rarr molecular weight)

    In the reaction CA(OH)_(2)+H_(3)PO_(4) rarr Ca_(3)(PO_(4))_(2)+H_(2)O , the equivalent mass of H_(2) O is: (M molecular mass)

    A: In the reaction, 2NaOH+H_(2)SO_(4) to Na_(2)SO_(4) + 2H_(2)O equivalents of NaOH, Na_(2)SO_(4) and H_(2)SO_(4) are equal. R: "Number of equivalents" = "number of moles" xx "n-factor" .

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    STATEMENT-1 : In the given reaction, NaOH+H_(3)PO_(4)rarr NaH_(2)PO_(4)+H_(2)O equivalent mass of H_(3)PO_(4) is M//3 STATEMENT-2 : H_(3)PO_(4) is tribasic acid.

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