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Write the maximum number of atoms having same hybridisation in the following structure

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Important Questions on Some Basic Principles of Organic Chemistry

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How many pi bonds and sigma bonds are present in following molecule?

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The number of sp3 hybridised carbons in an acyclic neutral compound with molecular formula C4H5N is
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In C1H2=C2=C3H-C4H3 molecule, the hybridization of carbon 1, 2, 3 and 4 respectively, are :
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Which of the following structures contain sp-hybridised carbon atom(s)?

I. HCCH

II. H2C=C=CH2

III. Question Image

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In allene (C3H4), the type(s) of hybridization of the carbon atoms is (are):
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Represent the union of two sets by Venn diagram for each of the following.

X={x | x is a prime number between 80 and 100}

Y={y | y is an odd number between 90 and 100}

EASY
The hybridisation of carbon atoms in the C-C single bond of  HCCCH=CH2 is:
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The sum of the number of σ and π bonds in 5-oxohexanoic acid is:
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The hybridisation of carbon atoms in C-C single bond

H - C C - CH = CH 2  
HARD
Indicate the σ and π bonds in the following molecules:
C6H6, C6H12 (cyclic compound), CH2Cl2, CH2=C=CH2, CH3NO2, HCONHCH3
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What is the type of hybridisation of carbon atoms marked with star?

CH 3 - CH 2 * - OH   Select the correct statement regarding the same.
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In the dehydration reaction CH3CONH2P2O5 CH3CN,  the hybridization state of carbon change from