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Standard VII

Chemistry

Reaction Acids with Metals

Identify A, B...

Question

Identify (A), (B), (C), (D) and (E) in the following:
Alkali metal $(A) + N_{2} Δ \to (B) H_{2} O \to (C) + (D)$ (C) and (D) both react with HCl, but (D) gives white fumes (E) with HCl..According to above experiment complete the matrix.

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Solution

The reactions are as given below.
$L i Alkali metal (A) + N_{2} Δ \to L i_{3} N (B) H_{2} O \to L i O H (C) + N H_{3} (D)$
$L i O H (C)$ and $N H_{3} (D)$ both react with HCl, but $N H_{3} (D)$ gives white fumes of $N H_{4} C l (E)$ with HCl.
According to above experiment the completed matrix is as given below..
A
Li
B
$L i_{3} N$
C
$L i O H$
D
$N H_{3}$
E
$N H_{4} C l$

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Similar questions

Q. Identify A, B, C, D and choose the correct statement(s):

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Q. Colourless salt

(A) + N a O H Δ ⟶ g a s (B)

giving white fumes with

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(C)

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(A) + N a O H (e x c e s s) Δ ⟶ g a s (B)

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(C) + Z n ⟶ g a s (B)

(A) Δ ⟶ g a s (D) + l i q u i d (E)

D, E

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are:

In the following reaction sequence, metal $(A) + N_{2} Δ ⟶ (B) - H_{2} O ⟶ (C) + (D)$ white ppt (C) is formed and gas (D) is evolved. White ppt (C) dissolves in NaOH solution, while gas (D) gives white fumes in HCl Metal A is

Q. Identify A, B, C, D and choose the correct statement(s):

A + N_{2} △ - \to B H_{2} O - - \to C w h i t e p p t ↓ + D

White precipitate(C) dissolves in

N a O H

solution and the gas (D) gives white fumes with

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Identify (A), (B), (C), (D) and (E) in the following:Alkali metal (A)+N2Δ→(B)H2O→(C)+(D)(C) and (D) both react with HCl, but (D) gives white fumes (E) with HCl..According to above experiment complete the matrix.

The reactions are as given below.LiAlkali metal (A)+N2Δ→Li3N(B)H2O→LiOH(C)+NH3(D)LiOH(C) and NH3(D) both react with HCl, but NH3(D) gives white fumes of NH4Cl(E) with HCl.According to above experiment the completed matrix is as given below..ALiBLi3NCLiOHDNH3ENH4Cl

Identify (A), (B), (C), (D) and (E) in the following:
Alkali metal $(A) + N_{2} Δ \to (B) H_{2} O \to (C) + (D)$ (C) and (D) both react with HCl, but (D) gives white fumes (E) with HCl..According to above experiment complete the matrix.