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STATEMENT-1 : In the given reaction, NaO...

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.

A

If both the statement are TRUE and STATEMENT -2 is the correct explanation of STATEMENT-1

B

If both the statement are TRUE but STATEMENT-2 is NOT the correct explanation of STATEMENT-1

C

If STATEMENT- is 1 TRUE and STATEMENT-2 is FALSE

D

If STATEMENT-1 is FALSE and STATEMENT-2 is TRUE

Text Solution

Verified by Experts

The correct Answer is:
D
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H_(3) PO_(3) = H_(3) PO_(4) + PH_(3)

The reaction P_(4)+3 NaOH+3 H_(2)O rarr 3 NaH_(2)PO_(2)+PH_(3) is an example of

Knowledge Check

  • In the reaction, H_3PO_4+Ca(OH)_2rarrCaHPO_4+2H_2O, the equivalent mass of H_3PO_4 is

    A
    49 g
    B
    32.7 g
    C
    196 g
    D
    98 g

  • In the given reaction: P_4 + NaOH + H_2O rarr PH_3 + NaH_2PO_2

    A
    P is reduced only
    B
    P undergoes disproportionation reaction
    C
    P is oxidised only
    D
    O is reduced

  • 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
    (a)M
    B
    (b)M/2
    C
    (c )M/3
    D
    (d)M/6

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    The reaction P_(4)+3 NaOH+3 H_(2)O rarr 3 NaH_(2)PO_(2)+PH_(3) is an example of

    Consider the following equation Ca(OH)_(2)+H_(3)PO_(4) rarr CaHPO_(4)+2H_(2)O The equivalent mass of phosphoric acid (H_(3)PO_(4)) is

    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

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    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")

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