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The true statement of the acids of phosp...

The true statement of the acids of phosphorus `H_(3)PO_(2),H_(3)PO_(3)` and `H__(3)PO_(4)` is :

A

the order of their reducing strength is `H_(3)PO_(2),H_(3)PO_(3)H_(3)PO_(4)`.

B

the hybridisation of phosphorus is `sp^(3)` in all these.

C

all have one `P=O`

D

All of these

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The correct Answer is:
D
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The true statement for the acids of phosphorus, H_(3)PO_(2), H_(3)PO_(3) and H_(3)PO_(4) is

The false statement of the acids of phosphorus H_3 PO_2, H_3 PO_3 and H_3 PO_4 is

State true or false : The geometry of phosphorus in H_(3)PO_(2),H_(3)PO_(3) and H_(3)PO_(4) is tetrahedral

What should be the order of acidic strength in the series H_(3)PO_(4) , H_(3)PO_(3) , and H_(3)PO_(2) ?

Assertion (A): There is very little difference in acid strength of H_(3)PO_(4), H_(3)PO_(3) ,and H_(3)PO_(2) . Reason (R) : The hydrogens in these acids are not all bonded to oxygens. The electrone-grativities of P and H are almost the same.

For H_(3)PO_(3) and H_(3)PO_(4) the correct choice is

Assertion: There is a very little difference in acidic strengths of H_(3)PO_(4),H_(3)PO_(3) and H_(3)PO_(2) . reason: Number of unprotonated oxygen (=O) responsible for increase of acidic strength due to inductive effective remains the same.

The order of the oxidation state of the phos- phorus atom in H_3PO_2, H_3PO_4 , H_3PO_3 and H_4P_2O_6 is : -

H_(3)PO_(2)+AgNO_(2) to Ag darr+H_(3)PO_(4)+NO

H_(3)PO_(2)+AgNO_(2) to Ag darr+H_(3)PO_(4)+NO

RESONANCE ENGLISH-P BLOCK ELEMENTS-ALP PART 1 OBJECTIVE
  1. In modern proces, while phosphorus is manufacured by :

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  2. With reference to protonic acids, which of the following statements is...

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  3. The true statement of the acids of phosphorus H(3)PO(2),H(3)PO(3) and ...

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  4. White phosphorus when boiled with strong solution of caustic soda prd...

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  5. Oxygen can be obtained from bleaching powder by:

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  6. Which compound does not give oxygen on heating?

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  7. Acidified potassium permanganate is dropped over sodium peroxide taken...

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  8. Which pair of species are referred to as suboxides respectively?

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  9. Which of the following statements is not true about ozone ?

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  10. Ozone is prepared by passing silent electric discharge through oxygen....

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  11. Which of the following is responsible strach-iodide paper blue when it...

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  12. Which one of the following property is not correct for ozone?

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  13. Ozone give carbonyl compounds with :

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  14. Moist iodine reacts with ozone to form.

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  15. Which ion cannot be oxidizes by ozone?

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  16. Which of the following solutions does not change its colour on passing...

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  17. A green coloured solution of a salt changes its colour to light pink o...

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  18. Mercury loses its meniscus on passing ozone through it. The menicus ca...

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  19. All the following decompes easily on heating to give oxygen except :

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  20. What is the product formed when ozone reacts with mercury?

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