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There are some deposits of nitrated and ...

There are some deposits of nitrated and phosphates in the earth's crust. Nitrates are more soluble in water. Nitrates are difficult to reduce under laboratory conditions but microbes do it easily. Ammonia forms a large number of complexes with transition metal ions. Hybridisation easily explains the ease of sigma donation capability of `NH_3` and `PH_3`. Phosphine is a flammable gas and is prepared from white phosphorous.
Which of the following statement is correct ?

A

Phosphates have no biilogical significane in humans

B

Between nitrates and phosphates, phosphates are less abundant in earth's curst

C

Between nitrates and phosphates, nitrates are less abundant in earth's crust

D

Oxidation of nitrates is possible in soil.

Text Solution

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The correct Answer is:
C
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There are some deposits of nitrated and phosphates in the earth's crust. Nitrates are more soluble in water. Nitrates are difficult to reduce under laboratory conditions but microbes do it easily. Ammonia forms a large number of complexes with transition metal ions. Hybridisation easily explains the ease of sigma donation capability of NH_3 and PH_3 . Phosphine is a flammable gas and is prepared from white phosphorous. White phosphorous on reaction with NaOH gives PH_3 as one of the products. This is a.

There are some deposits of nitrates and phosphate in earth's crust. Nitrates are more soluble in water. Nitrates are difficult to reduce under the laboratory conditions but microbes do it easily. Ammonia forms large number of complexes with transition metal ions. Hybridization easily explains the ease of sigma donation capability of NH_(3) and PH_(3) . Phosphine is a flammable gas and is prepared from white phosphorous. White phosphorus on reaction with NaOH gives PH_(3) as one of the products. This is a:

There are some deposits of nitrates and phosphates. Nitrates are more soluble in water. Nitrates are difficult to reduce under the laboratory conditions but microbes do it easily. Ammonia forms large number of complexes with metals ions. Hybridization easily explains the ease of sigma donation capacity of NH_(3) and PH_(3) . Phosphine is a flamable gas and is prepared from white phosphorus. Among the following the correct statement is

MOTION-P-BLOCK ELEMENTS-Exercise - 2 Objective Problems | JEE Adv.
  1. The following flow diagram represented the industrial preparatioin of ...

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  2. The following flow diagram represented the industrial preparatioin of ...

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  3. There are some deposits of nitrated and phosphates in the earth's crus...

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  4. There are some deposits of nitrated and phosphates in the earth's crus...

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  5. White phosphorus on reaction with NaOH gives PH(3) as one of the produ...

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  6. Which one of the oxides of nitrogen dimerises into colourless solid/li...

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  7. Ammonia reaxcts with Nessler's reagent to give:

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  8. When NH4OH is added to copper sulphate solution, blue colour is obtain...

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  9. For H(3)PO(3) and H(3)PO(4) the correct choice is

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  10. When an inorganic compound reacts with SO2 in aqueous medium produces ...

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  11. H(2)S is far more volatile than water because :

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  12. Question given below are based on electronic configuration of the elem...

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  13. Question given below are based on electronic configuration of the elem...

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  14. Compounds (A) and (B) are:

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  15. When chlorine water is added to an aqueous solution of sodium halide i...

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  16. Which of the following oxyacids of chlorine is formed on shaking chlor...

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  17. Interhalogen compounds are more reactive than the individual halogen b...

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  18. When F(2) reacts with hot and conc. Alkali, then following will be obt...

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  19. The following statements certain to noble gases. (i)Argon is the mos...

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  20. The ease of liquefication of noble gases is in the order:

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