1
JEE Main 2019 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
For any given series of spectral lines of atomic hydrogen, let $$\Delta \mathop v\limits^\_ = $$ $$\Delta {\overline v _{\max }} - \Delta {\overline v _{\min }}$$ be the difference in maximum and minimum frequencies in cm–1. The ratio Lyman Balmer $${{\Delta {{\overline v }_{Lyman}}} \over {\Delta {{\overline v }_{Balmer}}}}$$ is :
A
9 : 4
B
4 : 1
C
27 : 5
D
5 : 4
2
JEE Main 2019 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The major product of the following reaction is : JEE Main 2019 (Online) 9th April Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 226 English
A
JEE Main 2019 (Online) 9th April Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 226 English Option 1
B
JEE Main 2019 (Online) 9th April Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 226 English Option 2
C
JEE Main 2019 (Online) 9th April Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 226 English Option 3
D
JEE Main 2019 (Online) 9th April Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 226 English Option 4
3
JEE Main 2019 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Among the following, the set of parameters that represents path function, is :
(A) q + w
(B) q
(C) w
(D) H–TS
A
(B) and (C)
B
(A) and (D)
C
(B), (C) and (D)
D
(A), (B) and (C)
4
JEE Main 2019 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following statements is not true about sucrose?
A
The glycosidic linkage is present between C1 of $$\alpha $$-glucose and C1 of $$\beta $$-fructose
B
It is also named as invert sugar
C
It is a non reducing sugar
D
On hydrolysis, it produces glucose and fructose

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