Day 220: JEE Mains Chemistry
5 questions. Try each one first, then open its answer.
Question 1
Biomolecules. Asked once: 10 Apr 2023 (same type asked 6 times) See all 6 of this type
38The one that does not stabilize and structures of proteins isTap an option to check your answer.
Question 2
Some Basic Concepts of Chemistry. Asked once: 21 Jan 2026 S1 (same type asked 6 times) See all 6 of this type
3214.0 g of calcium metal is allowed to react with excess HCl at 1.0 atm pressure and 273 K . Which of the following statements is incorrect? [Given : Molar mass in of ]Tap an option to check your answer.
Question 3
The p-Block Elements. Asked once: 4 Apr 2025 (same type asked 6 times) See all 6 of this type
37Given below are two statements : Statement I : Nitrogen forms oxides with +1 to +5 oxidation states due to the formation of bond with oxygen . Statement II : Nitrogen does not form halides with +5 oxidation state due to the absence of d-orbital in it. In the light of given statements, choose the correct answer from the options given below.Tap an option to check your answer.
Question 4
Hydrocarbons. Asked once: 23 Jan 2025 (same type asked 6 times) See all 6 of this type
125A compound ' X ' absorbs 2 moles of hydrogen and ' X ' upon oxidation with gives the three products shown (propanone, ethanoic acid and 4-oxopentanoic acid). The total number of bonds present in the compound ' X ' is .Question 5
Chemical Bonding and Molecular Structure. Asked once: 13 Apr 2023 (same type asked 6 times) See all 6 of this type
34In which of the following processes, the bond order increases and paramagnetic character changes to diamagnetic one?Tap an option to check your answer.