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JEE Main 27 August 2021, Shift 2, Chemistry Q57

Question 57 of 90 in this shift, Chemistry question 27 of 30, Section B.

When 5.1 g of solid

\mathrm{NH_4HS}

is introduced into a two litre evacuated flask at

27^\circ

C, 20% of the solid decomposes into gaseous ammonia and hydrogen sulphide. The

\mathrm{K_p}

for the reaction at

27^\circ

C is

x \times 10^{-2}

. The value of

x

is __________. (Integer answer) [Given R = 0.082 L atm

\mathrm{K^{-1}}

\mathrm{mol^{-1}}

]

Official answer

NTA final key.

Same idea in other shifts