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Ammonium dichromate on heating liberates...

Ammonium dichromate on heating liberates a gas. The same gas will be obtained by :

A

heating `NaNO_(2)` and `NH_(4)Cl`.

B

treating `H_(2)O_(2)` "with" `NaNO_(2)`.

C

"passing ammonia gas over red hot" `CuO`.

D

treating of hydroxyl with`KMnO_(4)`in neutal medium.

Text Solution

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The correct Answer is:
A,C,D
(A) `NaNO_(2)NH_(4)Cl to NaCI+NH_(4)NO_(2), " "NH_(4)NO_(2)overset(Delta)to N_(2)O+2H_(2)O`
(B) `H_(2)Oto H_(2)O+[O],NaNO_(2)+[O]toNaNO_(3)`
(C ) `2NH_(3)+3CuOto 3Cu+N_(2)+3H_(2)O`
(D) `2KMn^(+7)O_(4)^(-)+2NH_(3)to 2KOH+2MnO_(2)+N_(2)O+2H_(2)O`
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RESONANCE-P BLOCK ELEMENTS-ALP PART 1 OBJECTIVE
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  2. Which ion cannot be oxidizes by ozone?

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

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

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

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

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  8. Which one of the following properities is correct for ozone ?

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  9. By which of the following SO(2) is formed ?

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  10. SO(2) reacts with chlorine in sunlight to form :

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  11. The products of the chemical reaction between Na(2)S(2)O(3),Cl and H(2...

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  12. When sulphur is boiled with Na(2)SO(4) solution, the compound formed i...

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  13. Na(2)S(2)O(3) is prepared by :

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  14. The oxidation states of sulphur in the anions SO(3)^(2-), S(2)O(4)^(2-...

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  15. Ammonium dichromate on heating liberates a gas. The same gas will be o...

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  17. Select the incorect statement(s).

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  18. Which of the following is//are incorrect statement(s) for phosphine ?

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  19. What is//are not true abut phosphine (PH(3))?

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