1
JEE Main 2023 (Online) 24th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

'R' formed in the following sequence of reactions is :

JEE Main 2023 (Online) 24th January Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 30 English

A
JEE Main 2023 (Online) 24th January Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 30 English Option 1
B
JEE Main 2023 (Online) 24th January Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 30 English Option 2
C
JEE Main 2023 (Online) 24th January Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 30 English Option 3
D
JEE Main 2023 (Online) 24th January Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 30 English Option 4
2
JEE Main 2023 (Online) 24th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Reaction of BeO with ammonia and hydrogen fluoride gives A which on thermal decomposition gives $$\mathrm{BeF_2}$$ and $$\mathrm{NH_4F}$$. What is 'A'?

A
$$\mathrm{(NH_4)Be_2F_5}$$
B
$$\mathrm{(NH_4)_2BeF_4}$$
C
$$\mathrm{(NH_4)BeF_3}$$
D
$$\mathrm{H_3NBeF_3}$$
3
JEE Main 2023 (Online) 24th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The magnetic moment of a transition metal compound has been calculated to be 3.87 B.M. The metal ion is

A
Ti$$^{2+}$$
B
V$$^{2+}$$
C
Cr$$^{2+}$$
D
Mn$$^{2+}$$
4
JEE Main 2023 (Online) 24th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Compound (X) undergoes following sequence of reactions to give the Lactone (Y).

JEE Main 2023 (Online) 24th January Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 29 English

A
JEE Main 2023 (Online) 24th January Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 29 English Option 1
B
JEE Main 2023 (Online) 24th January Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 29 English Option 2
C
JEE Main 2023 (Online) 24th January Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 29 English Option 3
D
JEE Main 2023 (Online) 24th January Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 29 English Option 4
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