Consider the following reactions unbalancedZn-hot conc- H2SO4 -G-R-XZn-conc- NaOH -T-QG-H2S-NH4OH - Za precipitate-X-YChoose the correct options-

Zn+hot and conc.H_2SO_4→(G)ZnSO_4+(R)SO_2+(X)H_2O Zn+conc. NaOH→(T)Na_2ZnO_2+(Q)H_2 ZnSO_4+H_2S+2NH_4OH(aq.) →(Z)ZnS↓+(Y)(NH_4)_2SO_4+(X)2H_2O a) The oxidatio ...

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Byju's Answer

Standard XII

Chemistry

Zinc II Sulphate

Consider the ...

Question

Consider the following reactions (unbalanced)
$Z n + hot conc. H_{2} S O_{4} \to G+R+X$
$Z n + conc. N a O H \to T+Q$
$G + H_{2} S + N H_{4} O H \to Z (a p r e c i p i t a t e) + X + Y$
Choose the correct option(s).

The oxidation state of

Z n

in T is + 1

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R is a V-shaped molecule

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Z is dirty white in colour

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Bond order of Q is 1 in its ground state

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Solution

The correct option is D Bond order of Q is 1 in its ground state
$Z n + H_{2} S O_{4} hot and conc. \to Z n S O_{4} (G) + S O_{2} (R) + H_{2} O (X)$

$Z n + conc. NaOH \to N a_{2} Z n O_{2} (T) + H_{2} (Q)$

$Z n S O_{4} + H_{2} S + 2 N H_{4} O H (a q .) \to Z n S (Z) ↓ + (N H_{4})_{2} S O_{4} (Y) + 2 H_{2} O (X)$
a) The oxidation state of $Z n$ in T i.e. in $N a_{2} Z n O_{2}$ is +2.
b) R i.e. $S O_{2}$ is a V-shaped molecule.
c) $Z n S$ is white in colour.
d) Bond order of q i.e. $H_{2}$ in its ground state is 1.

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Similar questions

Q. Consider the following reactions (unbalanced)

Z n + hot conc. H_{2} S O_{4} \to G+R+X

Z n + conc. N a O H \to T+Q

G + H_{2} S + N H_{4} O H \to Z (a p r e c i p i t a t e) + X + Y

Choose the correct option(s).

Q. An acidic solution of ‘X’ does not give precipitate on passing

H_{2} S

gas. ‘X’ gives a white precipitate when

N H_{4} O H

is added to it. The white precipitate dissolves in excess of

N a O H

solution. Pure ‘X’ fumes in air and dense white fumes are obtained when a glass rod dipped in

N H_{4} O H

is held in the fumes. The compound ‘X’ is:

Q. An acidic solution of ‘X’ does not give precipitate on passing

H_{2} S

gas. ‘X’ gives a white precipitate when

N H_{4} O H

is added to it. The white precipitate dissolves in excess of

N a O H

solution. Pure ‘X’ fumes in air and dense white fumes are obtained when a glass rod dipped in

N H_{4} O H

is held in the fumes. The compound ‘X’ is:

Q. Consider the following reaction sequences.

(A) gives a precipitate with

A g N O_{3} / N H_{4} O H

Q. An inorganic Lewis acid

(X)

fumes in moist air, and intensity of fumes increases when a rod dipped in

N H_{4} O H

is brought near to it. An acidic solution of

(X)

on addition of

N H_{4} C l

and

N H_{4} O H

gives a precipitate which dissolves in

N a O H

solution. An acidic solution of

(X)

does not give precipitate with

H_{2} S

. Hence, the compound

(X)

is :

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Consider the following reactions (unbalanced) Zn+hot conc.H2SO4→G+R+X Zn+conc.NaOH→T+Q G+H2S+NH4OH→Z(a precipitate)+X+Y Choose the correct option(s).

Consider the following reactions (unbalanced)
$Z n + hot conc. H_{2} S O_{4} \to G+R+X$
$Z n + conc. N a O H \to T+Q$
$G + H_{2} S + N H_{4} O H \to Z (a p r e c i p i t a t e) + X + Y$
Choose the correct option(s).