JEE Main 2019 (Online) 12th April Evening Slot | JEE Main Year Wise Previous Years Questions - ExamSIDE.Com

1

JEE Main 2019 (Online) 12th April Evening Slot

MCQ (Single Correct Answer)

+4

-1

The IUPAC name for the following compound is : JEE Main 2019 (Online) 12th April Evening Slot Chemistry - Basics of Organic Chemistry Question 220 English

JEE Main 2019 (Online) 12th April Evening Slot Chemistry - Basics of Organic Chemistry Question 220 English

A

3, 5-dimethyl-4-propylhept-1-en-6-yne

B

3-methyl-4-(3-methylprop-1-enyl)-1-heptyne

C

3-methyl-4-(1-methylprop-2-enyl)-1-heptene

D

3,5-dimethyl-4-propylhept-6-en-1-yne

2

JEE Main 2019 (Online) 12th April Evening Slot

MCQ (Single Correct Answer)

+4

-1

The INCORRECT match in the following is :

A

$$\Delta $$G^o = 0, K = 1

B

$$\Delta $$G^o < 0, K < 1

C

$$\Delta $$G^o > 0, K < 1

D

$$\Delta $$G^o < 0, K > 1

3

JEE Main 2019 (Online) 12th April Evening Slot

MCQ (Single Correct Answer)

+4

-1

25 g of an unknown hydrocarbon upon burning produces 88 g of CO₂ and 9 g of H₂O. This unknown hydrocarbon contains :

A

18 g of carbon and 7 g of hydrogen

B

20 g of carbon and 5 g of hydrogen

C

22 g of carbon and 3 g of hydrogen

D

24 g of carbon and 1 g of hydrogen

4

JEE Main 2019 (Online) 12th April Evening Slot

MCQ (Single Correct Answer)

+4

-1

In which one of the following equilibria, K_p $$ \ne $$ K_C ?

A

2NO(g) ⇋ N₂(g) + O₂(g)

B

2C(s) + O₂(g) ⇋ 2CO(g)

C

2HI(g) ⇋ H₂(g) + I₂(g)

D

NO₂(g) + SO₂(g) ⇋ NO(g) + SO₃(g)

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