JEE Main 2018 (Online) 15th April Evening Slot | JEE Main Year Wise Previous Years Questions - ExamSIDE.Com

1

JEE Main 2018 (Online) 15th April Evening Slot

MCQ (Single Correct Answer)

+4

-1

For per gram of reactant, the maximum quantity of N₂ gas is produced in which of the following thermal decomposition reactions ?
(Given : Atomic wt. - Cr = 52 u, Ba = 137 u)

A

(NH₄)₂Cr₂O₇(s) $$ \to $$ N₂(g) + 4H₂O(g) + Cr₂O₃(s)

B

2NH₄NO₃(s) $$ \to $$ 2 N₂(g) + 4H₂O(g) + O₂(g)

C

Ba(N₃)₂(s) $$ \to $$ Ba(s) + 3N₂(g)

D

2NH₃(g) $$ \to $$ N₂(g) + 3H₂(g)

2

JEE Main 2018 (Online) 15th April Evening Slot

MCQ (Single Correct Answer)

+4

-1

The total number of optically active compounds formed in the following reactio is :
JEE Main 2018 (Online) 15th April Evening Slot Chemistry - Alcohols, Phenols and Ethers Question 158 English

JEE Main 2018 (Online) 15th April Evening Slot Chemistry - Alcohols, Phenols and Ethers Question 158 English

A

Two

B

Four

C

Six

D

Zero

3

JEE Main 2018 (Online) 15th April Evening Slot

MCQ (Single Correct Answer)

+4

-1

The major product formed in the following reaction is :
JEE Main 2018 (Online) 15th April Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 252 English

JEE Main 2018 (Online) 15th April Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 252 English

A

JEE Main 2018 (Online) 15th April Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 252 English Option 1

B

JEE Main 2018 (Online) 15th April Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 252 English Option 2

C

JEE Main 2018 (Online) 15th April Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 252 English Option 3

D

JEE Main 2018 (Online) 15th April Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 252 English Option 4

4

JEE Main 2018 (Online) 15th April Evening Slot

MCQ (Single Correct Answer)

+4

-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 ?

A

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

B

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

C

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

D

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

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