Q. Consider the following reaction (unbalanced)

Z n + h o t o c n c . H_{2} S O_{4} ⟶ G + R + X

Z n + c o n c . N a O H ⟶ T + Q

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

Choose the correct options(s)

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Q. The cyanide process of gold extraction involves leaching out gold from its ore with

C N^{-}

in the presence of

Q

in water to form

R

. Subsequently,

R

is treated with

T

to obtain

A u

and

Z

. Choose the correct options.

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Q. Choose the correct options (s) that gives (s) aromatic compound as the major product:

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Q. With reference to aqura regia, choose the correct options(s)

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Q. The ground state energy of hydrogen atom is

- 13.6 e V

. Consider an electronic state

Ψ

H e^{+}

whose energy, azimuthal quantum number and magnetic number are

- 3.4, e V, 2

and

0

, respectively.
Which of the following statements(s) is (are) true for the state

Ψ

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Q. Which of the following reactions produces propane as a major product?

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Q. Choose the correct options(s) from the following.

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Q. The decomposition reaction

2 N_{2} O_{5} (g) △ - \to 2 N_{2} O_{4} (g) + O_{2} (g)

is started in a closed under isothermal isochoric condition at an initial pressure of

1 a t m

. After

Y \times 10^{3} s

, the pressure inside the cylinder is found to be

1.45 a t m

. If the rate constant of the reaction is

5 \times 10^{- 4} s^{- 1}

, assuming ideal gas behavior, the value of

Y

is_____
[Give your answer upto 2 dacimal points]

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Q. The mole fraction of urea in an aqueous urea solution containing

900 g

of water is

0.05

. If the density of the solution is

1.2 g / c m^{3}

, the molarity of urea solution is ______.

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Q. Total number of cis

N - M n - C l

bond angles (that is,

M n - N

and

M n - C l

bonds in cis position) present in a molecule of cis

[M n (e n)_{2} C l_{2}]

complex is ______.

(e n = N H_{2} C H_{2} C H_{2} N H_{2})

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Q. The amount of water produced (in g ) in the oxidation of

1

mole rhombic sulphur by conc.

H N O_{3}

to a compound with the highest oxidation state of sulphur is _______ .
(Given data:

M o l a r m a s s o f w a t e r = 18 g m o l^{- 1}

)

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Q. Which of the following has the correct combination considering List-I and List-II

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