Consider two reactionsI- Zn-conc- HNO3hot- ZnNO32-X-H2OII- Zn-dil- HNO3 cold- ZnNO32-Y-H2OCompounds X and Y are respectively

The corresponding reaction when Zn reacts with conc. HNO_3 is Zn+4HNO_3→ Zn(NO_3)_2+2NO_2+2H_2O Again, when Zn reacts with dilute HNO_3, 4Zn+10HNO_3→ 4Zn(NO_3) ...

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Standard XII

Chemistry

Oxides of Sulphur

Consider two ...

Question

Consider two reactions
I. $Z n + c o n c . H N O_{3} (h o t) \to Z n (N O_{3})_{2} + X + H_{2} O$
II. $Z n + d i l . H N O_{3} (cold) \to Z n (N O_{3})_{2} + Y + H_{2} O$
Compounds X and Y are respectively

N_{2} O, N O

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N O_{2}, N_{2} O

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N_{2}, N_{2} O

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N O_{2}, N O

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Solution

The correct option is B $N O_{2}, N_{2} O$
The corresponding reaction when $Z n$ reacts with conc. $H N O_{3}$ is
$Z n + 4 H N O_{3} \to Z n (N O_{3})_{2} + 2 N O_{2} + 2 H_{2} O$

Again, when $Z n$ reacts with dilute $H N O_{3}$ ,
$4 Z n + 10 H N O_{3} \to 4 Z n (N O_{3})_{2} + N_{2} O + 5 H_{2} O$

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Similar questions

Q. Consider two reactions
I. Zn + conc.

H N O_{3}

(hot)

\to Z n (N O_{3})_{2} + X + H_{2} O

II. Zn + dil.

H N O_{3}

(cold)

\to Z n (N O_{3})_{2} + Y + H_{2} O

Compounds X and Y are respectively:-

Q. Consider two reactions
I.

Z n + c o n c . H N O_{3} (h o t) \to Z n (N O_{3})_{2} + X + H_{2} O

II.

Z n + d i l . H N O_{3} (cold) \to Z n (N O_{3})_{2} + Y + H_{2} O

Compounds X and Y are respectively

Q. Consider the following two reactions:
I.

Z n + c o n c . H N O_{3} (h o t) \to Z n (N O_{3})_{2} + X + H_{2} O

II.

Z n + d i l . H N O_{3} (c o l d) \to Z n (N O_{3})_{2} + Y + H_{2} O

Compounds

X

and

Y

are respectively :

Q. The following two reactions of

H {N O}_{3}

with

Z n

are given as (equations are not balanced)

Z n + c o n c . H {N O}_{3} ⟶ Z n {({N O}_{3})}_{2} + X + H_{2} O . . . . . . . . . . . . . . . . . . (A)

Z n + d i l . H {N O}_{3} ⟶ Z n {({N O}_{3})}_{2} + Y + H_{2} O . . . . . . . . . . . . . . . . . . . . (B)

In reactions

A

and

B

, the compounds

X

and

Y

respectively are

Q. Zn reacts with dilute

H N O_{3}, C o n c . H N O_{3}

and very dilute

H N O_{3}

. The oxidation number of nitrogen changes from

H N O_{3}

are

a, b, c

in product

X, Y, Z

respectively. What is the value of

(a + b + c)

is
(a)

Z n + H N O_{3} \to Z n (N O_{3})_{2} + " X " + H_{2} O

dilute (

20 %

)
(b)

Z n + H N O_{3} \to Z n (N O_{3})_{2} + " Y " + H_{2} O

Conc (

70 %

)
(a)

Z n + H N O_{3} \to Z n (N O_{3})_{2} + " Z " + H_{2} O

very dilute (

6 %

)

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Consider two reactions I. Zn+conc.HNO3(hot)→Zn(NO3)2+X+H2O II. Zn+dil.HNO3 (cold)→Zn(NO3)2+Y+H2O Compounds X and Y are respectively

The correct option is B NO2, N2OThe corresponding reaction when Zn reacts with conc. HNO3 is Zn+4HNO3→Zn(NO3)2+2NO2+2H2O Again, when Zn reacts with dilute HNO3, 4Zn+10HNO3→4Zn(NO3)2+N2O+5H2O

Consider two reactions
I. $Z n + c o n c . H N O_{3} (h o t) \to Z n (N O_{3})_{2} + X + H_{2} O$
II. $Z n + d i l . H N O_{3} (cold) \to Z n (N O_{3})_{2} + Y + H_{2} O$
Compounds X and Y are respectively