Home
Class 11
CHEMISTRY
Na(2)B(4)O(7).10H(2)O overset(conc. HCl)...

`Na_(2)B_(4)O_(7).10H_(2)O overset(conc. HCl)rarr A overset(160^(@)C)rarr B`. Compound 'B' is

A

`H_(2)B_(4)O_(7)`

B

`B_(2)O_(3)`

C

`H_(3)BO_(3)`

D

`HBO_(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
`Na_(2)B_(4)O_(7).10H_(2)O overset(" conc. HCl ")rarr H_(3)BO_(3) overset(100^(@)C)rarr HBO_(2)overset(160^(@)C)rarr underset("tetraboric acid")(H_(2)B_(4)O_(7))`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • ELEMENTS OF BORON FAMILY

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE - II) LEVEL - II (ADVANCED)|30 Videos

  • ELEMENTS OF BORON FAMILY

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL - I (MAIN))|13 Videos

  • ELEMENTS OF BORON FAMILY

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE - I) LEVEL - II (ADVANCED)|30 Videos

  • ELECTRONIC EFFECTS AND REACTION INTERMEDIATES

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL - II (PRACTICE SHEET ADVANCE)) (Integer Type Questions)|3 Videos

  • ELEMENTS OF CARBON FAMILY

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE - 3 (Recent AIPMT/NEET Questions) |10 Videos

Similar Questions

Explore conceptually related problems

overset(Mg)rarr X overset(CO_(2))rarr Y overset(H_(2)O)rarr Z

underset(("Swollen white mass"))(Na_(2)B_(4)O_(7).XH_(2)O)overset(60^(@)C)rarr underset(("Glassy mass"))(Na_(2)B_(4)O_(7).YH_(2)O)overset(Delta)rarr Na_(2)B_(4)O_(7).ZH_(2)O overset(Delta)rarr B_(2)O_(3)+2NaBO_(2) , then the valsue of (x-y+z) is

Knowledge Check

  • Na_(2)B_(4)O_(7).10H_(2)O can also be represented as

    A
    `Na_(2)[B_(4)O_(5)(OH)_(4)].8H_(2)O`
    B
    `2NaBO_(2).Na_(2)B_(2)O_(3).10H_(2)O`
    C
    `Na_(2)[B_(4)(H_(2)O)_(4).O_(7)].6H_(2)O`
    D
    All the above

  • Na_(2)B_(4)O_(7). 10H_(2)O can also be represented as

    A
    `Na_(2) [B_(4) O_(5) (OH)_(4)].8H_(2)O`
    B
    `2NaBO_(2) .Na_(2)B_(2)O_(3).10H_(2)O`
    C
    `Na_(2)[B_(4)(H_(2)O)_(4).O_(7)].6H_(2)O`
    D
    All the above

  • Na_(2)B_(4)O_(7)+H_(2)Ooverset("Conc. HCl")underset(Delta)rarrNaCl+X Xoverset(Delta)rarrY . The product Y in the reaction is

    A
    Crystalline B
    B
    Amorphous B
    C
    `B_(2)O_(3)`
    D
    `H_(3)BO_(3)`

    • Similar Questions

    Explore conceptually related problems

    NA_(2)B_(4)O_(7).10H_(2)O can also be represented as

    Na_2 B_4 O_7 10 H_2 O overset("conc. HCl")to A. Compound 'A' is :

    O+H_(2)NOH toA overset(H^(+))toB THe compound ‘B' is

    BeCI_(2)+N_(2)O_(4)rarrAunderset("Vacuumn")overset(50^(@)C)rarrB overset(125^(@)C)rarrC . The compounds A. B and C are

    PCl_(5) +SO_(2) rarr A+B A overset(3H_(2)O)rarrHCl C overset("Red hot")rarrD +H_(2)O Compound 'B' is

    Home
    Profile