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Assertion (A) : In the synthesis pf Ammo...

Assertion (A) : In the synthesis pf Ammonia by Habers process mixture of potassium and aluminium oxides can be used as promotor
Reason (R) : Promotor enchances the activity of catalyst

A

Both (A) and (R) are true and (R) is the correct explanation of (A)

B

Both (A) and (R) are true and (R) is not the correct explanation of (A)

C

(A) is true and (R) is false

D

(A) is false but (R) is true

Text Solution

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The correct Answer is:
A
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NARAYNA-15TH GROUP ELEMENTS-Level-II (C.W)
  1. The statements regarding oxyacids of phosphorous are I) HPO(3) molec...

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  2. Which pair of oxyacids of phophorous containm 'P-H' bonds ?

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  3. A & B are two gases 'A' is identified with the glass rod dipped in NH(...

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  4. Nesslers reagent is used to detect trace amounts of ammonia. Its formu...

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  5. Cyanamide process is used to prepare

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  6. Conc. HNO(3) is treated with iron. The metal is passive because

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  7. 4Zn+10HNO(3)rarr4Zn(NO(3))(2)+NH(4)NO(3)+3H(2)O. In this reaction one ...

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  8. [CaO.Ca(NO(3))(2)] is the chemical composition of the substance, commo...

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  9. Which of the following is not correct ?

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  10. Assertion (A) : P(4) is more reactive than N(2) Reason (R) : P-P bon...

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  11. Assertion (A) : Bismuth compounds are stable +V oxidation state than i...

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  12. Assertion (A) : The hydrides of VA group elements are good reducing Ag...

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  13. Assertion (A) : P(2)O(3) is more basic than N(2)O(3) Reason (R) : Me...

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  14. Assertion (A) : Ortho phosphoric acid is tribasic acid Reason (R) : ...

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  15. Assertion (A) : In the synthesis pf Ammonia by Habers process mixture ...

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  16. Assertion (A) : Anhydrous Calcium chloride is used catalyst in cuanami...

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  17. Assertion (A) : The basic nature of VA group hydrides decreases from a...

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  18. Assertion (A) : Stability of NH(3) is greater than PH(3) Reason (R) ...

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  19. Assertion (A) : PH(3) is more basic than NH(3) Reason (R) : EN of N ...

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  20. Assertion (A) : NH(3) is liquid while the other hydrides V-A group ele...

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