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Which of the following statement is not ...

Which of the following statement is not correct ?

A

`H_3PO_3` is dibasic and reducing

B

`H_4P_2O_7` and `H_4P_2O_6` are tetrabasic

C

`H_3PO_4` is tribasic and has P in +5 oxidation state

D

`H_3PO_5` is tribasic and has P in +7 oxidation state

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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
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  2. Which oxide of sulphur acts as oxidising as well as reducing agent?

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  3. Which of the following statement is not correct ?

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  4. Haloalkanes are soluble in water.

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  5. Among the following, the correct statement is

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  6. White phosphorus on reaction with NaOH gives PH3 as one of the product...

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  7. The reactions of Cl2 gas with cold-dilute and hot-concentrated NaOH in...

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  8. Express 2555 in roman numbers.

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  9. The questions given below consist of an Assertion and Reason. Use the ...

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  10. Assertion : F2 has low reactivity. Reason: F-F bond has low bond dis...

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  11. Assertion : F-F bond in F2 molecule is strong. Reason: F atom is smal...

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  12. Assertion : P4 is more reactive than N2. Reason: P-P single bond in P4...

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  13. The question given below consist of an assertion (A) and a reason ( R)...

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  14. Explain, why HClO4 is stronger acid than HClO2

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  15. When mercuric iodide is added to the aqueous solution of KI, then the ...

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  16. HClO4 is less/more acidic than HClO3.

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  17. These questions consist of two statements each,printed as Assertion an...

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  18. How is the presence of SO2 detected ?

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  19. Complete the following:

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  20. Match the compound in Column I with the property in Column II.

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