JEE Main 2018 (Online) 15th April Evening Slot | Hydrocarbons Question 112 | Chemistry

JEE Main 2018 (Online) 15th April Evening Slot

MCQ (Single Correct Answer)

-1

Biochemical Oxygen Demand (BOD) value can be a measure of water pollution caused by the organic matter. Which of the following statements is correct ?

Aerobic bacteria decrease the BOD value.

Anaerobic bacteria increase the BOD value.

Clean water has BOD value higher than 10 ppm.

Polluted water has BOD value higher than 10 ppm.

JEE Main 2018 (Online) 15th April Evening Slot

MCQ (Single Correct Answer)

-1

When 2-butyne is treate with H₂/Lindlar's catalyst, compound X is produced as the major product and when treated with Na/liq. NH₃ it produces Y as the major product Which of the following statements is correct ?

X will have higher dipole moment and higher boiling point than Y.

Y will have higher dipole moment and higher boiling point than X.

X will have lower dipole moment and lower boiling point than Y.

Y will have higher dipole momet and lower boiling point than X.

JEE Main 2017 (Online) 9th April Morning Slot

MCQ (Single Correct Answer)

-1

The major product of the following reaction is :

JEE Main 2017 (Online) 9th April Morning Slot Chemistry - Hydrocarbons Question 110 English

JEE Main 2017 (Online) 9th April Morning Slot Chemistry - Hydrocarbons Question 110 English Option 1

JEE Main 2017 (Online) 9th April Morning Slot Chemistry - Hydrocarbons Question 110 English Option 2

JEE Main 2017 (Online) 9th April Morning Slot Chemistry - Hydrocarbons Question 110 English Option 3

JEE Main 2017 (Online) 9th April Morning Slot Chemistry - Hydrocarbons Question 110 English Option 4

JEE Main 2016 (Offline)

MCQ (Single Correct Answer)

-1

At 300 K and 1 atm, 15 mL of a gaseous hydrocarbon requires 375 mL air containing 20% O₂ by volume for complete combustion. After combustion the gases occupy 345 mL. Assuming that the water formed is in liquid form and the volumes were measured at the same temperature and pressure, the formula of the hydrocarbon is:

C₃H₈

C₄H₈

C₄H₁₀

C₃H₆

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