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which of the following statements are...

which of the following statements are true about metals ?

A

The structure of phosphate ion is tetrahedral

B

On heating to `600^(@)C`, it forms meta phosphoric acid

C

It is preapred in the lab by heating red phosphorous with conc `HNO_(3)`

D

It is a viscous liquid with high boiling point

Text Solution

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The correct Answer is:
A, B, C, D
red `P_(4) +5HNO_(3) rarr H_(3)PO_(4) +5NO_(2) +H_(2)O`
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NARAYNA-15TH GROUP ELEMENTS-Level-VI
  1. Which of the following statements is incorrect?

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  2. The incorrect statement among the following

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  3. which of the following statements are true about metals ?

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  4. The 'repeating unit' of glycogen is

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  5. Which of the following statement(s) is/are correct

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  6. Choose the correct statement regarding PCl(5)

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  7. NH(4)CI on heating with NaOH gives a gas X. the correct statement rega...

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  8. X rarr mixed anhydride of nitrous acid and nitric acid Y rarr non-aq s...

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  9. Which of the following is/are correct statement?

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  10. Which of the following is true for allotropes of phosphorus?

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  11. Which of the following reactions is used in the preparation of N(2)(g)...

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  12. Chemical Bonding

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  13. Which one of the following is/are correct statement (s) ?

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  14. Which of the following statement(s) is/are correct

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  15. Which one of the following is the chemical formula of Washing soda ?

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  16. Which of the following metal Fe, Zn, Pb, Ag and Pt do not give a metal...

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  17. In nitroprusside ion the iron and NO exist as Fe (II) and NO^(+) rathe...

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  18. Select the correct statement

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  19. The true statement of the oxoacids of phosphorus H(3)PO(2),H(3)PO(3) a...

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  20. Identify the correct sequencing of hydrides based on the parameters sp...

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