Day 533: JEE Mains Chemistry
5 questions. Try each one first, then open its answer.
Question 1
Chemical Thermodynamics. Asked once: 29 Jul 2022
123When coal of purity is allowed to burn in presence of insufficient oxygen, of carbon is converted into ' ' and the remaining is converted into ' '. The heat generated when of coal is burnt is____Tap an option to check your answer.
Question 2
Classification of Elements and Periodicity. Asked once: 29 Jun 2022
126Given below are two statements. One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: The first ionization enthalpy for oxygen is lower than that of nitrogen. Reason : The four electrons in orbitals of oxygen experience more electron-electron repulsion. In the light of the above statements, choose the correct answer from the options given below.Tap an option to check your answer.
Question 3
Haloalkanes and Haloarenes. Asked once: 28 Jun 2022
135In the above reaction ' ' isTap an option to check your answer.
Question 4
Hydrocarbons. Asked once: 31 Jan 2024
126Major product of the following reaction is -Tap an option to check your answer.
Question 5
Organic Chemistry - Some Basic Principles and Techniques. Asked once: 27 Jan 2024
132Bond line formula of is:Tap an option to check your answer.