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Reactivity with Halogens and Hydrogen (Group 2)

Identify the ...

Question

Identify the balanced chemical reaction between $P b^{2 +}$ and $N H_{4} O H$ :

A

P b {({N O}_{3})}_{2} + {3 N H}_{4} O H \to {2 N H}_{4} {N O}_{3} + P b {(O H)}_{2}

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B

2 P b {({N O}_{3})}_{2} + {2 N H}_{4} O H \to {2 N H}_{4} {N O}_{3} + 2 P b {(O H)}_{2}

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C

P b {({N O}_{3})}_{2} + {N H}_{4} O H \to {N H}_{4} {N O}_{3} + P b {(O H)}_{2}

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D

P b {({N O}_{3})}_{2} + {2 N H}_{4} O H \to {2 N H}_{4} {N O}_{3} + P b {(O H)}_{2}

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Solution

The correct option is D $P b {({N O}_{3})}_{2} + {2 N H}_{4} O H \to {2 N H}_{4} {N O}_{3} + P b {(O H)}_{2}$
On adding ammonium hydroxide drop by drop to a solution of lead salt a whit precipitate is formed which is insoluble in excess of ammonium hydroxide.
$P b {({N O}_{3})}_{2} + {2 N H}_{4} O H \to {2 N H}_{4} {N O}_{3} + P b {(O H)}_{2}$

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Similar questions

Z n S O_{4}

P b (N O_{3})_{2}

have similar powdery white appearance. So, which of the given options help us to identify

Z n^{2 +}

P b^{2 +}

when both are treated with

N a O H

N H_{4} O H

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Q. Given a reaction:

N O_{3}^{⊖} + Z n ⟶ {Z n}^{2 +} + N H_{4}^{\oplus}

The balanced reaction is

N O_{3}^{⊖} + 7 H_{2} O + 4 Z n ⟶ N H_{4}^{\oplus} + 10 ⊖ O H + 4 {Z n}^{2 +}

.
If true enter 1, else enter 0.

Q. Complete and balance the given reaction.

Z n + {N O}_{3}^{-} ⟶ {Z n}^{2 +} + {N H}_{4}^{+}

Z n S O_{4}

P b (N O_{3})_{2}

have similar powdery white appearance. So, which of the given options help us to identify

Z n^{2 +}

P b^{2 +}

when both are treated with

N a O H

N H_{4} O H

?

Q. In the following redox reaction:

Z n (s) + N O_{3}^{-} (a q) + H^{+} (a q) ⟶ {Z n}^{2 +} (a q) + {N H}_{4}^{+} (a q)

Z n (s)

N O_{3}^{-} (a q)

respectively are, respectively :

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