Balanced molecular equation for the laboratory preparation of ammonia from $N H_{4} C l$ and calcium hydroxide is :

{2 N H}_{4} C l + C a {(O H)}_{2} △ - \to {C a C l}_{2} + {2 H}_{2} O + {N H}_{3}

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{N H}_{4} C l + C a {(O H)}_{2} △ - \to {C a C l}_{2} + {2 H}_{2} O + {N H}_{3}

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{2 N H}_{4} C l + C a {(O H)}_{2} △ - \to {C a C l}_{2} + {2 H}_{2} O + {2 N H}_{3}

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{2 N H}_{4} C l + 4 C a {(O H)}_{2} △ - \to 4 {C a C l}_{2} + {2 H}_{2} O + {2 N H}_{3}

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Solution

The correct option is B ${2 N H}_{4} C l + C a {(O H)}_{2} △ - \to {C a C l}_{2} + {2 H}_{2} O + {2 N H}_{3}$
${2 N H}_{4} C l + C a {(O H)}_{2} △ - \to {C a C l}_{2} + {2 H}_{2} O + {2 N H}_{3}$

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Q. How many grams of ammonia is obtained when 32.6 g of ammonium chloride reacts with calcium hydroxide during the laboratory preparation of ammonia?

[2 N H_{4} C l + C a (O H)_{2} \to C a C l_{2} + 2 H_{2} O + 2 N H_{3}]

[N=14, H=1, O=16, S=32, Cl=35.5]

The secondary reactions which takes place in dry cell are:

1) $M n O_{2} + N H_{4}^{+} + e^{-} \to M n O (O H) + N H_{3}$

2) $2 N H_{4} C l + 2 (O H^{-}) \to$ $2 N H_{3} + 2 C l^{-} + 2 H_{2} O$

3) $Z n + 2 M n O_{2} \to$ $[Z n (N H_{3})_{2}] + 2 O H^{-} + 2 M n O (O H)$

4) $Z n^{2 +} 2 N H_{3} + 2 C l^{-} \to$ $[Z n (N H_{3})_{2}] C l_{2} or Z n C l_{2} .2 N H_{3}$

Correct statements are:

(a) Calculate the mass fo ammonia that can be obtained from 21.4 g of $N H_{4} C l$ by the reaction:
$2 N H_{4} C l + C a (O H)_{2} \to C a C l_{2} + 2 H_{2} O + 2 N H_{3}$
(b) what will be ht volume of ammonia when measured at STP?

When Ba(OH)₂ is added to NH₄Cl then which of the following reactions is correct regarding the products formed:

Ba(OH)₂ + 2NH₄Cl ---------> BaCl₂ + 2NH₃+ 2H₂O

Ba(OH)₂+ 2NH₄Cl ----------> BaCl₂ + 2NH₄OH

B a (O H)_{2} + 2 N H_{4} C l \to B a C l_{2} + 2 N H_{3} + X

X is:

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Balanced molecular equation for the laboratory preparation of ammonia from NH4Cl and calcium hydroxide is :

The correct option is B 2NH4Cl+Ca(OH)2△−→CaCl2+2H2O+2NH32NH4Cl+Ca(OH)2△−→CaCl2+2H2O+2NH3

Balanced molecular equation for the laboratory preparation of ammonia from $N H_{4} C l$ and calcium hydroxide is :

The correct option is B ${2 N H}_{4} C l + C a {(O H)}_{2} △ - \to {C a C l}_{2} + {2 H}_{2} O + {2 N H}_{3}$
${2 N H}_{4} C l + C a {(O H)}_{2} △ - \to {C a C l}_{2} + {2 H}_{2} O + {2 N H}_{3}$