19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
C C : 4 ; C H :6 ; C C :1 ; C C :2 . These number of and bonds are present in which of the following molecule? Choose the correct option. (a) CH C CH CH CH (b) CH C CH CH (c) CH CH CH CH CH
Assertion: The C C distance is longer than C C distance Reason: Both C atoms in alkenes are sp2 hybridized.
Underlined carbon is sp3 hybridised in (a) CH CH CH (b) CH CH NH (c) CH CONH (d) CH CH CN
How many and bonds are present between carbon atoms in H C C CH CH is
In which of the following compounds, C has used sp2 orbital in making C—O bond? (a) (b) (c) (d)
C1—C2 bond of this molecule is formed by GENERAL ORGANIC CHEMISTRY
Which of the following statements is true about hybridization?
In the hydrocarbon, The state of hybridization of carbons 1,3,5 are in the following sequence:
Hybridized carbon atom used in the formation of the compound CH3— CH CH — CH2 — CH3 are:
The hybridization of carbon atoms in C—C single bond of H — C C — CH CH2 is:
Assertion: Ethylene is more reactive than ethane. Reason: Ethylene possess pi bond.
In which bond angle is the highest
Which of the following carbanion is aromatic? (a) (b) (c) (d)
Which of the following is antiaromatic?
The correct structure of 2, 6-Dimethyl-dec-4-ene (NEET 2021) (a) (b) (c) (d)
The compound which shows metamerism is (NEET 2021)
Dihedral angle of least stable conformer of ethane is (NEET 2021)
A tertiary butyl carbocation is more stable than a secondary butyl carbocation because of which of the following? (NEET 2020)
The most stable carbocation, among the following is (NEET 2019)
The number of sigma () and pi ( ) bonds in pent-2- en-4-yne is (NEET 2019)
Which of the following is correct with respect to –I effect of the substituents? (R = alkyl) (NEET 2018)
Which of the following molecules represents the order of hybridisation sp2, sp2, sp, sp from left to right atoms? (NEET 2018)
The correct statement regarding electrophile is (NEET 2017)
The IUPAC name of the compound is _____. (NEET 2017)
Which among the given molecules can exhibit tautomerism? (NEET-II 2016)