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Byju's Answer

Standard XII

Chemistry

Hydrochloric Acid

Here, A, B, C...

Question

Here, (A), (B), (C), (D) and (E) are as follows:
(A) : $N H_{4} N O_{2}$ (B) : $N H_{3}$
(C) : $N a N O_{3}$ (D) : $N_{2}$
(E) : $A l N$
If true enter 1, else enter 0.

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Solution

(A) is ${N H}_{4} {N O}_{2}$ . It reacts with NaOH to form the gas (B) which is ${N H}_{3}$ and the solution (C) which is ${N a N O}_{2}$
${N H}_{4} {N O}_{2} + N a O H \to N H_{3} ↑ + N a N O_{2} + H_{2} O$
Ammonia reacts with HCl to form white fumes of ammonium chloride.
$N H_{3} + + H C l \to N H_{4} C l$
Ammonium nitrite on heating produces water along with gas (D) which is $N_{2}$
$N H_{4} N O_{2} h e a t - - \to H_{2} O + N_{2} ↑$
Nitrogen on heating with aluminum forms aluminum nitride which is E..
$N_{2} + A l h e a t - - \to A l N$
Aluminum nitride on hydrolysis with water forms aluminum hydroxide and ammonia (B).
$A l N + 3 H_{2} O \to A l (O H)_{3} + N H_{3}$

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Similar questions

Q. If the identifications given below are true enter 1, else enter 0.
(A) :

{N H}_{4} {N O}_{2}

(B) :

{N H}_{3}

{N a N O}_{2}

(D) :

N_{2}

(E) :

A l N

Here, (A), (B), (C), (D), (E), (F) ,(G) and (H) are as follows:

(A) :

(N H_{4})_{2} C r_{2} O_{7}

(B) :

N H_{3}

C r_{2} O_{3}

(D) :

N_{2}

(E) :

A l N

(F) :

C r C l_{3}

(G) :

N a_{2} C r O_{4}

(H) :

P b C r O_{4}

Write the above reaction.

Q. Read the following scheme:
Colourless (A)

N a O H ⟶

(B) gas + (C) aq (alkaline due to excess NaOH added)
(B) +

N a ⟶ (D) + H_{2}

C (aq) +

Z n △ ⟶

(B)
(A)

△ ⟶ (E) + H_{2} O

(E) + (D)

⟶

(F)
(F) +

H_{2} S O_{4} ⟶

(G)
(G) contains 97.67% N, rest hydrogen.
Compound (A) to (G) are identified as:
(A) :

N H_{4} N O_{2}

, (B) :

N H_{3}

, (C) :

N a N O_{3}

, (D) :

N a N H_{2}

, (E) :

N_{2} O

, (F) :

N_{3} N a

(sodium azide) and (G) :

N_{3} H

(hydroazoic acid)
If true enter 1, else enter 0.

Q. Thus A, B, C, D and E are

C a C_{2} O_{4}

C O

C O_{2}

C a O

and

C a (O H)_{2}

if true enter 1, else enter 0.

A, B, C, D, E and F in the following are A:

N a_{2} S_{2} O_{3}

; B:

A g_{2} S_{2} O_{3}

; C:

N a_{3} [A g (S_{2} O_{3})_{2}]

; D :

A g_{2} S

; E :

H_{2} S O_{4}

; F:

B a S O_{4}

If the statement is true enter 1, else enter 0.

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Here, (A), (B), (C), (D) and (E) are as follows:(A) : NH4NO2 (B) : NH3(C) : NaNO3 (D) : N2(E) : AlNIf true enter 1, else enter 0.

Here, (A), (B), (C), (D) and (E) are as follows:
(A) : $N H_{4} N O_{2}$ (B) : $N H_{3}$
(C) : $N a N O_{3}$ (D) : $N_{2}$
(E) : $A l N$
If true enter 1, else enter 0.